Properties on MS SQLServer instances

Properties are grouped below by topic.

Activity and performance

Name Description Typical values
active_session_count The number of active sessions on the instance
activity_active_sessions The current active session count
activity_active_sessions_score A score derived from the active session count
activity_cpu_count The number of CPUs on the instance
activity_cpu_idle_usage Average CPU idle usage percentage
activity_cpu_other_usage Average CPU usage by other processes
activity_cpu_sql_usage Average CPU usage by SQL Server
activity_disk_reads Disk reads per second
activity_disk_reads_counter The current disk read counter
activity_disk_reads_lasttime The last disk read sample time in milliseconds since 1970
activity_disk_reads_score A score derived from the disk read rate
activity_disk_writes Disk writes per second
activity_disk_writes_counter The current disk write counter
activity_disk_writes_lasttime The last disk write sample time in milliseconds since 1970
activity_disk_writes_score A score derived from the disk write rate
activity_dtu_test
activity_log_bytes_flushed Log bytes flushed per second
activity_log_bytes_flushed_counter The current log bytes flushed counter
activity_log_bytes_flushed_dif_counter The delta in log bytes flushed since the last sample
activity_log_bytes_flushed_last_counter The previous log bytes flushed counter
activity_log_bytes_flushed_lasttime The last log bytes flushed sample time in milliseconds since 1970
activity_log_bytes_flushed_score A score derived from the log bytes flushed rate
activity_logical_reads Logical reads per second
activity_logical_reads_counter The current logical reads counter
activity_logical_reads_dif_counter The delta in logical reads since the last sample
activity_logical_reads_last_counter The previous logical reads counter
activity_logical_reads_lasttime The last logical reads sample time in milliseconds since 1970
activity_logical_reads_score A score derived from the logical reads rate
activity_physical_reads
activity_total_sessions The total number of sessions on the instance
activity_transaction_writes
activity_transaction_writes_counter
activity_waits Wait statistics for the instance
cpu_load_histr_sec CPU load history in seconds since 1970
cpu_load_histr_sec/date_val The history date
cpu_load_histr_sec/Other_CPU Other CPU usage
cpu_load_histr_sec/SQL_Server_CPU SQL Server CPU usage
cpu_physical The number of physical CPUs
cpu_usage_before_pnd
cpu_usage_before_py
cpu_usage_eh_before_pnd
cpu_usage_eh_before_py
cpu_usage_eh_now_pnd
cpu_usage_eh_now_py
cpu_usage_eh_variation_pnd
cpu_usage_eh_variation_py
cpu_usage_nh_before_pnd
cpu_usage_nh_before_py
cpu_usage_nh_now_pnd
cpu_usage_nh_now_py
cpu_usage_nh_variation_pnd
cpu_usage_nh_variation_py
cpu_usage_now_pnd
cpu_usage_now_py
cpu_usage_variation_d_pnd
cpu_usage_variation_d_py
cpu_usage_variation_pnd
cpu_usage_variation_py
cpu_usage_wh_before_pnd
cpu_usage_wh_before_py
cpu_usage_wh_now_pnd
cpu_usage_wh_now_py
cpu_usage_wh_variation_pnd
cpu_usage_wh_variation_py
current_month_seconds_down Seconds down during the current month
current_month_uptime_pct Uptime percentage for the current month
current_month_value The uptime value for the current month
current_uptime Current uptime
current_uptime_days Current uptime in days
current_uptime_hours Current uptime in hours
current_uptime_minutes Current uptime in minutes
down_period Uptime gap information
down_period/day_of_week Day of week when the instance started
down_period/days_down Days the instance was down
down_period/last_conn_sec_1970 Last dbWatch connection time in seconds since 1970
down_period/last_dbwatch_connection Last dbWatch connection
down_period/minutes_down Minutes the instance was down
down_period/period_txt Text representation of the down period
down_period/seconds_down Seconds the instance was down
down_period/started Instance startup time
down_period/started_sec_1970 Instance startup time in seconds since 1970
dtu_limit DTU limit details
dtu_limit/dtu_cpu_pct_usage DTU CPU usage percentage
dtu_limit/dtu_data_io_pct_usage DTU data I/O usage percentage
dtu_limit/dtu_db_name Database name
dtu_limit/dtu_idle_pct_usage DTU idle percentage
dtu_limit/dtu_log_write_pct_usage DTU log write usage percentage
dtu_limit/dtu_memory_pct_usage DTU memory usage percentage
dtu_limit/dtu_session_pct_usage DTU session usage percentage
dtu_limit/dtu_storage_pct_usage DTU storage usage percentage
dtu_limit/dtu_time Sample time
dtu_limit/dtu_worker_pct_usage DTU worker usage percentage
inst_data_cache Current data cache usage
inst_data_cache_avg Average data cache usage
inst_data_cache_avg_var Variation in average data cache usage
inst_data_cache_pct Data cache usage as a percentage of total instance memory
inst_mem_avg Average instance memory usage
inst_mem_avg_var Variation in average instance memory usage
inst_mem_curr Current instance memory usage
inst_mem_limit Maximum instance memory limit
inst_mem_limit_char Maximum allowed instance memory limit
inst_mem_param_bcu_thr Buffer cache usage threshold
inst_mem_param_max_mem Maximum memory usage setting
inst_mem_param_mem_reduction Whether memory reduction is enabled
inst_mem_param_min_mem Minimum memory usage setting
inst_mem_phys_pct Physical memory usage percentage
inst_mem_reduction_candidate Whether the instance is a candidate for memory reduction
inst_mem_reduction_last_period_init_max_mem Initial max memory from the last reduction period
inst_mem_reduction_last_period_init_mem Initial memory usage from the last reduction period
inst_mem_reduction_period_count Number of memory reduction periods
inst_mem_reduction_used Whether memory reduction is used
inst_mem_targ_avg Average target memory
inst_mem_targ_avg_var Variation in average target memory
inst_mem_usage_variation_d_pnd Number of days used for the 90-day memory variation check
inst_mem_usage_variation_d_py Number of days used for the 365-day memory variation check
inst_mem_usage_variation_GB_pnd Memory usage variation over 90 days in GB
inst_mem_usage_variation_GB_py Memory usage variation over 365 days in GB
inst_mem_usage_variation_MB_pnd Memory usage variation over 90 days in MB
inst_mem_usage_variation_MB_py Memory usage variation over 365 days in MB
last_month_seconds_down Seconds down during the last month
last_month_uptime_pct Uptime percentage for the last month
last_month_value The uptime value for the last month
memory_usage The approximate memory usage (in MB) for the instance 2450
operations_uptime_pct Operational uptime percentage
operations_uptime_sec_down Operational downtime in seconds
operations_uptime_sql SQL used to calculate operational uptime
physical_memory_mb Physical memory in MB
ratio_avg Average data hit ratio
ratio_avg_eh Average data hit ratio for EH
ratio_avg_nh Average data hit ratio for NH
ratio_avg_wh Average data hit ratio for WH
session_load_histr_sec Session load history in seconds since 1970
session_load_histr_sec/active Active sessions
session_load_histr_sec/date_val The history date
session_load_histr_sec/total Total sessions
strength_cpu CPU strength score
strength_disk_io Disk I/O strength score
strength_disk_space Disk space strength score
strength_memory Memory strength score
total_logical_reads Total logical reads

Alerts, logs, and issues

Name Description Typical values
alerts_history_sec
alerts_history_sec/job_name Job name
alerts_history_sec/status
alerts_history_sec/time_stamp_txt
alerts_per_day_histr_sec
alerts_per_day_histr_sec/alarm_count
alerts_per_day_histr_sec/alert_count
alerts_per_day_histr_sec/last_alert_txt
alerts_per_day_histr_sec/warning_count
db_centric_alert_id
db_centric_alert_id/alert_name
db_centric_alert_id/db_name
db_centric_alert_id/db_status
db_centric_alert_id/details
db_centric_alert_id/last_run
db_centric_alert_id/status
inst_err_log_alerting_status
inst_err_log_avg_max_records_read_aggr_last_7d
inst_err_log_avg_records_read_last_24h
inst_err_log_avg_time_read_last_24h
inst_err_log_avg_tot_records_read_aggr_last_7d
inst_err_log_avg_tot_time_read_aggr_last_7d
inst_err_log_details_count
inst_err_log_error_count_last_24h
inst_err_log_error_count_last_7d
inst_err_log_error_file_count
inst_err_log_error_file_tot_size_MB
inst_err_log_file_count_var24
inst_err_log_file_max_size_MB
inst_err_log_file_name
inst_err_log_file_name/inst_err_log_file_cr_date_char
inst_err_log_file_name/inst_err_log_file_size_KB
inst_err_log_file_name_max_size
inst_err_log_file_size_var24
inst_err_log_last_error_date
inst_err_log_last_executed
inst_err_log_max_max_records_read_aggr_last_7d
inst_err_log_max_records_read_last_24h
inst_err_log_max_time_read_last_24h
inst_err_log_max_tot_records_read_aggr_last_7d
inst_err_log_max_tot_time_read_aggr_last_7d
issues_date
issues_date/issues_count
issues_per_day_histr_sec
issues_per_day_histr_sec/histr_date
issues_per_day_histr_sec/job_count
issues_per_day_histr_sec/job_warnings
issues_per_day_histr_sec/sc_warnings
sc_alert_job_count
sc_disable_job_count
sc_issues_count_current
sc_job_count
sc_task_id
sc_task_id/sc_details
sc_task_id/sc_last_run
sc_task_id/sc_name
sc_task_id/sc_status
sc_task_id/sc_status_job

Availability, cluster, and replication

Name Description Typical values
alwayson_active Whether Always On is enabled
alwayson_cluster_name
cluster
cluster_instances
cluster_instances/host_name
cluster_instances/instance_name_port
cluster_member_name
cluster_member_name/member_state_desc
cluster_member_name/member_type_desc
cluster_member_name/number_of_quorum_votes
primary_ag_count
primary_ag_present
replica_server_group_db_id
replica_server_group_db_id/availability_group_name
replica_server_group_db_id/database_name
replica_server_group_db_id/estimated_redo_lag_seconds
replica_server_group_db_id/estimated_send_lag_seconds
replica_server_group_db_id/is_primary_replica Whether this is the primary replica
replica_server_group_db_id/last_commit_time
replica_server_group_db_id/last_hardened_time
replica_server_group_db_id/last_received_time
replica_server_group_db_id/last_redone_time
replica_server_group_db_id/last_sent_time
replica_server_group_db_id/log_send_queue_size
replica_server_group_db_id/log_send_rate
replica_server_group_db_id/redo_queue_size
replica_server_group_db_id/redo_rate
replica_server_group_db_id/replica_server_name
replica_server_group_db_id/synchronization_health_desc
replica_server_group_db_id/synchronization_state_desc
secondary_ag_count
secondary_ag_present
synch_database
synch_database/synch_database_org
synch_database/synch_database_par
synch_database/synch_db_create_date
synch_database/synch_first_dbw_update_org
synch_database/synch_first_dbw_update_par
synch_database/synch_last_dbw_update_org
synch_database/synch_last_dbw_update_org_char
synch_database/synch_last_dbw_update_par
synch_database/synch_last_dbw_update_par_char
synch_database/synch_multi_count
synch_database/synch_server
synch_database/synch_server_org
synch_database/synch_server_par
synch_db_count
synch_db_count_current_ints
synch_db_count_multi
synch_db_count_remote_inst

Backup and restore

Name Description Typical values
backup
backup/backup_pref Backup preference
backup/compress_ratio
backup/compressed_size_mb
backup/curr_inst
backup/db_name_plus_inst_name
backup/elaps_time
backup/finish
backup/finish_mi
backup/gr_name
backup/is_copy_only
backup/pri_inst
backup/size_mb
backup/start
backup/status
backup/type
backup_day_no
backup_day_no/backup_count_per_day
backup_day_no/day
backup_day_no/first_backup
backup_day_no/last_backup
backup_day_no/max_size_compr_mb
backup_day_no/min_size_compr_mb
backup_day_no/stdev_size_compr_mb
backup_day_no/sum_size_compr_mb
backup_excl_copy_only
backup_excl_copy_only/backup_pref
backup_excl_copy_only/compress_ratio
backup_excl_copy_only/compressed_size_mb
backup_excl_copy_only/curr_inst
backup_excl_copy_only/db_name_plus_inst_name
backup_excl_copy_only/elaps_time
backup_excl_copy_only/finish
backup_excl_copy_only/finish_mi
backup_excl_copy_only/gr_name
backup_excl_copy_only/is_copy_only
backup_excl_copy_only/pri_inst
backup_excl_copy_only/size_mb
backup_excl_copy_only/start
backup_excl_copy_only/status
backup_excl_copy_only/type
backup_histr
backup_histr/avg_backup_count_per_day
backup_histr/avg_compr_backup_size_mb_per_day
backup_histr/backup_days_per_week
backup_histr/backup_days_per_week_bar
backup_histr/backup_days_per_week_check
backup_histr/first_backup_time
backup_histr/last_backup_time
backup_histr/stdev_backup_count_per_day
backup_histr/sum_compr_backup_size_mb_per_week
differential_backup
differential_backup/backup_pref
differential_backup/compress_ratio
differential_backup/compressed_size_mb
differential_backup/curr_inst
differential_backup/db_name_plus_inst_name
differential_backup/elaps_time
differential_backup/finish
differential_backup/finish_mi
differential_backup/gr_name
differential_backup/is_copy_only
differential_backup/pri_inst
differential_backup/size_mb
differential_backup/start
differential_backup/status
differential_backup/type
differential_backup_excl_copy_only
differential_backup_excl_copy_only/backup_pref
differential_backup_excl_copy_only/compress_ratio
differential_backup_excl_copy_only/compressed_size_mb
differential_backup_excl_copy_only/curr_inst
differential_backup_excl_copy_only/db_name_plus_inst_name
differential_backup_excl_copy_only/elaps_time
differential_backup_excl_copy_only/finish
differential_backup_excl_copy_only/finish_mi
differential_backup_excl_copy_only/gr_name
differential_backup_excl_copy_only/is_copy_only
differential_backup_excl_copy_only/pri_inst
differential_backup_excl_copy_only/size_mb
differential_backup_excl_copy_only/start
differential_backup_excl_copy_only/status
differential_backup_excl_copy_only/type
pull_backup_error_id
pull_backup_error_id/db_name
pull_backup_error_id/dbw_message
pull_backup_error_id/DDL_cmd
pull_backup_error_id/error_message
pull_backup_error_id/source_instance
pull_backup_from_devices_restore_date
pull_backup_from_devices_status
pull_backup_from_devices_trace_info
pull_backup_id
pull_backup_id/db_count
pull_backup_id/elap_time_sec
pull_backup_id/errors
pull_backup_id/exec_end_1970
pull_backup_id/exec_end_txt
pull_backup_id/exec_start_1970
pull_backup_id/exec_start_txt
pull_backup_id/last_db
pull_backup_id/login_info
pull_backup_id/returned_status_id
pull_backup_id/returned_status_txt
push_backup_error_db
push_backup_error_db/dbw_message
push_backup_error_db/DDL_cmd
push_backup_error_db/error_message
push_backup_id
push_backup_id/db_count
push_backup_id/elap_time_sec
push_backup_id/errors
push_backup_id/exec_end_1970
push_backup_id/exec_end_txt
push_backup_id/exec_start_1970
push_backup_id/exec_start_txt
push_backup_id/last_db
push_backup_id/login_info
push_backup_id/returned_status_id
push_backup_id/returned_status_txt
tr_backup_comp_ratio_all_last_day
tr_backup_comp_ratio_all_last_week
tr_backup_comp_size_GB_all_last_day
tr_backup_comp_size_GB_all_last_week
tr_backup_comp_size_MB_all_avg_per_day_last_week
tr_backup_comp_size_MB_all_last_day
tr_backup_comp_size_MB_all_last_week
tr_backup_db_count_last_day
tr_backup_db_count_last_week
tr_backup_file_count_avg_last_day
tr_backup_file_count_avg_last_week
tr_backup_file_count_last_day
tr_backup_file_count_last_week
tr_backup_file_count_max_last_day
tr_backup_file_count_max_last_week
tr_backup_file_count_min_last_day
tr_backup_file_count_min_last_week
tr_backup_size_GB_all_last_day
tr_backup_size_GB_all_last_week
tr_backup_size_MB_all_avg_per_day_last_week
tr_backup_size_MB_all_last_day
tr_backup_size_MB_all_last_week

Database, files, and storage

Name Description Typical values
curr_dbname
data_cache_rank
data_cache_rank/dc_db_name
data_cache_rank/dc_mb_usage
data_cache_rank/dc_pct_usage
database
database/compatibility
database/compatibility_diff_value
database/compatibility_status
database/compatibility_value
database/created
database/db_id
database/recovery_model
database/replicated
database/same_compatibility
database/server_compatibility
database/server_version
database/short_name
database/status
database_growth_histr_sec
database_growth_histr_sec/data_file_size
database_growth_histr_sec/date_val
database_growth_histr_sec/db_name
database_growth_histr_sec/total_size
database_growth_histr_sec/tr_log_file_size
database_growth_rate_ID
database_growth_rate_ID/dbname
database_growth_rate_ID/histr_date_sec_1970
database_growth_rate_ID/histr_date_txt
database_growth_rate_ID/size
db_count The number of databases on the instance 23
db_count_full_recovery_mode
db_full_backup_comp_ratio_all
db_full_backup_comp_size_GB_all
db_full_backup_comp_size_MB_all
db_full_backup_count_all
db_full_backup_duration_hours_all
db_full_backup_duration_minutes_all
db_full_backup_end_last_all
db_full_backup_size_GB_all
db_full_backup_size_MB_all
db_full_backup_start_first_all
db_name_growth
db_name_growth/data_size_MB
db_name_growth/file_count
db_name_growth/log_size_MB
db_name_growth/tot_size_MB
db_NOT_IN_USE_collector_days_monitored
db_NOT_IN_USE_collector_db_count
db_NOT_IN_USE_collector_last_date
db_NOT_IN_USE_collector_start_date
db_NOT_IN_USE_id
db_NOT_IN_USE_id/avg_activity_minutes
db_NOT_IN_USE_id/avg_activity_pct
db_NOT_IN_USE_id/avg_connections
db_NOT_IN_USE_id/avg_KB_flushed
db_NOT_IN_USE_id/db_name
db_NOT_IN_USE_id/last_date
db_NOT_IN_USE_id/last_date_s_1970
db_NOT_IN_USE_id/monitored_days
db_NOT_IN_USE_id/monitoring_start
db_NOT_IN_USE_id/monitoring_start_s_1970
dbfile_id
dbfile_id/db_name
dbfile_id/file_id
dbfile_id/file_location
dbfile_id/file_type
dbfile_id/host_name
dbfile_id/instance_name
dbfile_id/logical_name
dbfile_id/space_used_mb
default_data_path
default_log_path
default_windows_domain
device_id
device_id/compatibility_level
device_id/db_name
device_id/dev_location
device_id/dev_name
device_id/host_name
device_id/instance_name
device_id/last_backup_1970
device_id/last_backup_1970_UTR
device_id/last_backup_txt
device_pull_test
disk_usage The approximate disk usage (in GB) for the instance 45.3
disk_usage_mb
fg_count_all
fg_growth_GB_all
fg_growth_MB_all
fg_size_GB_all
fg_size_MB_all
fg_space_used_GB_all
fg_space_used_MB_all
filegr_dbw_id
filegr_dbw_id/fg_db_name
filegr_dbw_id/fg_growth_GB
filegr_dbw_id/fg_growth_MB
filegr_dbw_id/fg_name
filegr_dbw_id/fg_size_GB
filegr_dbw_id/fg_size_MB
filegr_dbw_id/fg_space_used_GB
filegr_dbw_id/fg_space_used_MB
target_memory_mb
tempdb_file_rank
tempdb_file_rank/drive
tempdb_file_rank/free_MB
tempdb_file_rank/name
tempdb_file_rank/pct_usage
tempdb_file_rank/size_MB
tempdb_files_count
tempdb_files_size_MB
tempdb_space_usage_MB
tempdb_stdev_size
tempdb_stdev_usage
volume_count
volume_drive_name
volume_drive_name/data_file_count
volume_drive_name/free_GB
volume_drive_name/size_GB
volume_drive_name/tr_log_file_count
volume_drive_name/used_by_data_files_GB
volume_drive_name/used_by_external_files_GB
volume_drive_name/used_by_tr_log_files_GB
volume_drive_name/used_GB
volume_growth_rank_nd
volume_growth_rank_nd/days_data_basis
volume_growth_rank_nd/free_GB
volume_growth_rank_nd/growth_GB
volume_growth_rank_nd/name
volume_growth_rank_nd/pct_usage_within_nd
volume_growth_rank_nd/pct_usage_within_year
volume_growth_rank_y
volume_growth_rank_y/days_data_basis
volume_growth_rank_y/free_GB
volume_growth_rank_y/growth_GB
volume_growth_rank_y/name
volume_growth_rank_y/pct_usage_within_year
volume_rank
volume_rank/volume_free_GB
volume_rank/volume_name
volume_rank/volume_pct_usage
volume_rank/volume_size_GB

Maintenance and integrity

Name Description Typical values
blitz_kit_in_use
blitz_kit_index_avg_exec_time
blitz_kit_index_blobs_size_kb
blitz_kit_index_last_exec_time
blitz_kit_index_max_exec_time
blitz_kit_index_min_exec_time
blitz_kit_index_new_histr_records
blitz_kit_index_table_size_kb
blitz_kit_index_total_histr_records
blitz_kit_lock_avg_exec_time
blitz_kit_lock_blobs_size_kb
blitz_kit_lock_last_exec_time
blitz_kit_lock_max_exec_time
blitz_kit_lock_min_exec_time
blitz_kit_lock_new_histr_records
blitz_kit_lock_table_size_kb
blitz_kit_lock_total_histr_records
blitz_kit_who_avg_exec_time
blitz_kit_who_blobs_size_kb
blitz_kit_who_last_exec_time
blitz_kit_who_max_exec_time
blitz_kit_who_min_exec_time
blitz_kit_who_new_histr_records
blitz_kit_who_table_size_kb
blitz_kit_who_total_histr_records
blitz_obj_duplicates
blitz_obj_duplicates/duplicates_count
blitz_obj_id
blitz_obj_id/created
blitz_obj_id/db_name
blitz_obj_id/obj_name
blitz_obj_id/obj_type
blitz_obj_id/sch_name
blitz_obj_id/version
blitz_obj_id/version_date
cleanup_msdb_back_enabled
cleanup_msdb_back_rec
cleanup_msdb_cur_back_rec
cleanup_msdb_cur_del_thr
cleanup_msdb_cur_job_rec
cleanup_msdb_cur_maint_pl_det_rec
cleanup_msdb_cur_maint_pl_rec
cleanup_msdb_cur_oldest_back_dd
cleanup_msdb_cur_oldest_back_rec
cleanup_msdb_cur_oldest_job_dd
cleanup_msdb_cur_oldest_job_rec
cleanup_msdb_cur_oldest_maint_pl_dd
cleanup_msdb_cur_oldest_maint_pl_det_dd
cleanup_msdb_cur_oldest_maint_pl_det_rec
cleanup_msdb_cur_oldest_maint_pl_rec
cleanup_msdb_data_size_MB
cleanup_msdb_del_back_rec
cleanup_msdb_del_job_rec
cleanup_msdb_del_mait_pl_rec
cleanup_msdb_del_thr
cleanup_msdb_job_enabled
cleanup_msdb_job_rec
cleanup_msdb_last_deleted
cleanup_msdb_log_size_MB
cleanup_msdb_maint_pl_enabled
cleanup_msdb_mait_pl_rec
cleanup_msdb_severity
cleanup_msdb_severity_desc
cleanup_msdb_severity_desc_list
dbcc_avg_elap_mi
dbcc_db_count
dbcc_elap_char
dbcc_elap_mi
dbcc_end
dbcc_end_dd_ago
dbcc_err_count
dbcc_err_date
dbcc_err_date/days_ago
dbcc_err_date/db_name
dbcc_err_date/elaps_time
dbcc_err_date/error_no
dbcc_err_date/massage
dbcc_err_date/phys_only
dbcc_last_db
dbcc_last_db_nice
dbcc_max_elap_mi
dbcc_min_elap_mi
dbcc_severity
dbcc_severity_desc
dbcc_severity_desc_list
dbcc_start
dbcc_variation
dbw_db_maintenance_period_count
dbw_db_maintenance_period_id
dbw_db_maintenance_period_id/comment
dbw_db_maintenance_period_id/created_char
dbw_db_maintenance_period_id/created_sec_1970
dbw_db_maintenance_period_id/end_char
dbw_db_maintenance_period_id/end_sec_1970
dbw_db_maintenance_period_id/name
dbw_db_maintenance_period_id/start_char
dbw_db_maintenance_period_id/start_sec_1970
dbw_db_maintenance_period_last_id
dbw_db_maintenance_period_last_id/duration_hours
dbw_db_maintenance_period_last_id/end_char
dbw_db_maintenance_period_last_id/end_sec_1970
dbw_db_maintenance_period_last_id/name
dbw_db_maintenance_period_last_id/start_char
dbw_db_maintenance_period_last_id/start_sec_1970
dbw_db_maintenance_period_next_id
dbw_db_maintenance_period_next_id/duration_hours
dbw_db_maintenance_period_next_id/end_char
dbw_db_maintenance_period_next_id/end_sec_1970
dbw_db_maintenance_period_next_id/name
dbw_db_maintenance_period_next_id/start_char
dbw_db_maintenance_period_next_id/start_sec_1970
dbw_engine_alert
dbw_engine_alert/alert_count
dbw_engine_alert/frequency
dbw_engine_alert/frequency_days
dbw_engine_alert/frequency_hours
dbw_engine_alert/frequency_minutes
dbw_engine_alert/frequency_months
dbw_engine_alert/frequency_weeks
dbw_engine_alert/last_date
dbw_engine_alert/last_date_in_days
dbw_engine_alert/oldes_date
dbw_engine_tables
dbw_engine_tables/analyzed
dbw_engine_tables/created
dbw_engine_tables/db_id
dbw_engine_tables/location
dbw_engine_tables/modified
dbw_engine_tables/obj_id
dbw_engine_tables/rows
dbw_engine_tables/size_mb
dbw_engine_tables/table_type
dbw_engine_tables_with_lobs
dbw_engine_tables_with_lobs/db_id
dbw_engine_tables_with_lobs/lob_size_mb
dbw_engine_tables_with_lobs/obj_id
dbw_ms_agent_jobs_count
dbw_ms_agent_jobs_installed
dbw_ms_agent_jobs_last_executed
full_scans
idx_stat_db_count
idx_stat_elap_avg_mi
idx_stat_elap_max_mi
idx_stat_elap_mi
idx_stat_elap_min_mi
idx_stat_end_anlz
idx_stat_end_anlz_dd
idx_stat_error
idx_stat_idx_anlz
idx_stat_idx_count
idx_stat_last_db
idx_stat_last_db_nice
idx_stat_severity
idx_stat_severity_desc
idx_stat_severity_desc_list
idx_stat_start_anlz
idx_stat_stdev_mi
idx_stat_stdev_pct
index_scans
index_usage_stat_db_checked
index_usage_stat_db_count
index_usage_stat_db_skiped
index_usage_stat_elap_char
index_usage_stat_elap_sec
index_usage_stat_end
index_usage_stat_last_db
index_usage_stat_max_obj
index_usage_stat_min_size
index_usage_stat_obj_checked
index_usage_stat_obj_collected
index_usage_stat_obj_collected_and_deleted
index_usage_stat_start
instaled_job_missing_object
instaled_job_missing_object/obj_count
instaled_job_object
instaled_job_object/created
instaled_job_object/job
instaled_job_object/modified
instaled_job_object/obj_in_db
instaled_job_object/obj_type
instaled_job_object/obj_type_id
internal_fragmentation_check_db_checked
internal_fragmentation_check_db_count
internal_fragmentation_check_elap_time_m
internal_fragmentation_check_elap_time_s
internal_fragmentation_check_end
internal_fragmentation_check_heap_count
internal_fragmentation_check_idx_count
internal_fragmentation_check_last_db
internal_fragmentation_check_last_db_nice
internal_fragmentation_check_last_run_days
internal_fragmentation_check_max_thr_MB
internal_fragmentation_check_min_thr_MB
internal_fragmentation_check_obj_checked
internal_fragmentation_check_obj_checked_size_MB
internal_fragmentation_check_severity
internal_fragmentation_check_severity_desc
internal_fragmentation_check_severity_desc_list
internal_fragmentation_check_start
maintenance_check_all
maintenance_severity
maintenance_severity_desc
maintenance_severity_desc_list
ms_agent_jobs_errors_48h
ms_agent_jobs_errors_48h/desc
ms_agent_jobs_errors_48h/end_time
ms_agent_jobs_errors_48h/job_name
ms_agent_jobs_errors_48h/state
ms_agent_jobs_errors_48h/step_id
ms_agent_jobs_errors_48h/step_status
ms_agent_jobs_faild_id
ms_agent_jobs_faild_id/end_time_s_1970
ms_agent_jobs_faild_id/end_time_txt
ms_agent_jobs_faild_id/job_name
ms_agent_jobs_faild_id/message
ms_agent_jobs_faild_id/step_id
ms_param_show_advanced_options
ms_param_xp_cmdshell
ola_h_dbw_alter_index
ola_h_dbw_created
ola_h_dbw_dbcc
ola_h_dbw_installed
ola_h_dbw_last_error
ola_h_dbw_modify
ola_h_dbw_row_count
ola_h_dbw_update_stat
ola_hallengren_alter_index
ola_hallengren_created
ola_hallengren_dbcc
ola_hallengren_installed
ola_hallengren_last_error
ola_hallengren_modify
ola_hallengren_row_count
ola_hallengren_update_stat
probe_scans
range_scans
rebuild_idx_avg_elap_mi
rebuild_idx_count
rebuild_idx_db_checked
rebuild_idx_db_count
rebuild_idx_elap_char
rebuild_idx_elap_mi
rebuild_idx_end
rebuild_idx_end_dd_ago
rebuild_idx_error
rebuild_idx_last_db
rebuild_idx_last_db_nice
rebuild_idx_max_elap_mi
rebuild_idx_min_elap_mi
rebuild_idx_reduction_MB
rebuild_idx_severity
rebuild_idx_severity_desc
rebuild_idx_severity_desc_list
rebuild_idx_size_after_MB
rebuild_idx_size_before_MB
rebuild_idx_start
rebuild_idx_too_large
rebuild_idx_variation
reorg_idx_avg_elap_mi
reorg_idx_count
reorg_idx_db_checked
reorg_idx_db_count
reorg_idx_elap_char
reorg_idx_elap_mi
reorg_idx_end
reorg_idx_end_dd_ago
reorg_idx_error
reorg_idx_last_db
reorg_idx_last_db_nice
reorg_idx_max_elap_mi
reorg_idx_min_elap_mi
reorg_idx_reduction_MB
reorg_idx_severity
reorg_idx_severity_desc
reorg_idx_severity_desc_list
reorg_idx_size_after_MB
reorg_idx_size_before_MB
reorg_idx_start
reorg_idx_too_large
reorg_idx_variation

SQL and query statistics

Name Description Typical values
delete_avg Average delete performance
dml_perf_avg Average DML performance
dml_perf_var DML performance variation
dml_platform_comp DML platform comparison
dml_test_count Number of DML tests
insert_avg Average insert performance
int_sql_exec_histr_sec Internal SQL execution history in seconds since 1970
int_sql_exec_histr_sec/histr_date History date
int_sql_exec_histr_sec/main_proc Main procedure time
int_sql_exec_histr_sec/sim_calc Sim calculation time
int_sql_exec_histr_sec/space_calc Space calculation time
logical_reads_avg Average logical reads
logical_reads_avg_eh Average logical reads for EH
logical_reads_avg_increase_days_last Days in the last logical read increase period
logical_reads_avg_increase_end_last End of the last logical read increase period
logical_reads_avg_increase_last Last logical read increase
logical_reads_avg_increase_max Maximum logical read increase
logical_reads_avg_increase_max_period Maximum logical read increase period
logical_reads_avg_increase_pct_last Last logical read increase percentage
logical_reads_avg_increase_periods Number of logical read increase periods
logical_reads_avg_increase_start_last Start of the last logical read increase period
logical_reads_avg_increase_status Logical read increase status
logical_reads_avg_nh Average logical reads for NH
logical_reads_avg_wh Average logical reads for WH
logical_reads_current Current logical reads
logical_reads_max Maximum logical reads
logical_reads_max_eh Maximum logical reads for EH
logical_reads_max_nh Maximum logical reads for NH
logical_reads_max_wh Maximum logical reads for WH
query_store_db_count Query Store database count
query_store_in_use Whether Query Store is in use
select_avg Average select performance
sql_missing_index_count Missing index count
sql_missing_index_last Last missing index check
sql_repository_obj_id SQL repository object
sql_repository_obj_id/name SQL repository object name
sql_repository_obj_id/size_mb SQL repository object size in MB
sql_repository_size_mb SQL repository size in MB
sql_statistics_avg_exec_time_ms Average SQL execution time in ms
sql_statistics_exec_time_ms SQL execution time in ms
sql_statistics_max_exec_time_ms Maximum SQL execution time in ms
sql_statistics_missing_sql_text Missing SQL text count
sql_statistics_missing_sql_text_pct Missing SQL text percentage
sql_statistics_sql_text_count SQL text count
update_avg Average update performance
user_scans_rank User scans ranking
user_scans_rank/avg_kb_per_m Average KB per minute
user_scans_rank/avg_scans_per_m Average scans per minute
user_scans_rank/db_name Database name
user_scans_rank/max_kb_per_m Maximum KB per minute
user_scans_rank/max_scans_per_m Maximum scans per minute
user_scans_rank/obj_name Object name
user_scans_rank/obj_type Object type
user_scans_rank/size_kb Size in KB

Sessions, blocking, and waits

Name Description Typical values
blocked_histr_count Blocked sessions history count
blocked_histr_last_occured Last blocked session occurrence
blocked_histr_last_occured_txt Last blocked session occurrence as text
blocked_ses_id Blocked session
blocked_ses_id/blocked_by Blocking session
blocked_ses_id/command Session command
blocked_ses_id/database Database name
blocked_ses_id/hostname Host name
blocked_ses_id/last_batch Last batch time
blocked_ses_id/last_batch_txt Last batch time as text
blocked_ses_id/logged_on Login time
blocked_ses_id/logged_on_txt Login time as text
blocked_ses_id/login Login name
blocked_ses_id/program Program name
blocked_ses_id/ses_id Session ID
blocked_ses_id/status Session status
blocked_ses_id/transactions Transaction count
blocked_ses_id/wait_time_sec Wait time in seconds
blocked_session_count Number of blocked sessions
blocking_events_avg_exec_time_ms Average blocking event execution time in ms
blocking_events_count Blocking event count
blocking_events_exec_time_ms Blocking event execution time in ms
blocking_events_last Last blocking event
blocking_events_max_exec_time_ms Maximum blocking event execution time in ms
blocking_events_repository_size_mb Blocking events repository size in MB
blocking_histr_count Blocking history count
blocking_histr_last_occured Last blocking history occurrence
blocking_histr_last_occured_txt Last blocking history occurrence as text
blocking_ses_id Blocking session
blocking_ses_id/command Session command
blocking_ses_id/database Database name
blocking_ses_id/hostname Host name
blocking_ses_id/last_batch Last batch time
blocking_ses_id/last_batch_txt Last batch time as text
blocking_ses_id/logged_on Login time
blocking_ses_id/logged_on_txt Login time as text
blocking_ses_id/login Login name
blocking_ses_id/program Program name
blocking_ses_id/ses_id Session ID
blocking_ses_id/status Session status
blocking_ses_id/transactions Transaction count
inactive_session_count Number of inactive sessions
monitoring_gap_inst_down Monitoring gap while the instance was down
monitoring_gap_inst_down/gap_id Gap ID
monitoring_gap_inst_down/minutes_down Minutes down
monitoring_gap_inst_down/monitoring_gap_inst_up Monitoring gap while the instance was up
monitoring_gap_start Monitoring gap start
monitoring_gap_start/gap_id Gap ID
monitoring_gap_start/minutes_missing Minutes missing
monitoring_gap_start/monitoring_gap_end Monitoring gap end
session_histr_date_id Session history by date
session_histr_date_id/database Database name
session_histr_date_id/histr_date_char History date as text
session_histr_date_id/histr_date_sec_1970 History date in seconds since 1970
session_histr_date_id/host Host
session_histr_date_id/last_batch Last batch time
session_histr_date_id/login Login
session_histr_date_id/program Program
session_histr_date_id/status Status
session_last_seen_id Last seen session
session_last_seen_id/last_seen_char Last seen time as text
session_last_seen_id/last_seen_sec_1970 Last seen time in seconds since 1970
session_monitoring_gap_start Session monitoring gap start
session_monitoring_gap_start/gap_id Gap ID
session_monitoring_gap_start/minutes_missing Minutes missing
session_monitoring_gap_start/monitoring_gap_end Monitoring gap end
session_repository_size_mb Session repository size in MB
session_statistics_avg_exec_time_ms Average session execution time in ms
session_statistics_exec_time_ms Session execution time in ms
session_statistics_last_histr Last session statistics history
session_statistics_max_exec_time_ms Maximum session execution time in ms
total_session_count The total number of sessions on the instance 12, 432
wait_rank Wait ranking
wait_rank/wait_name Wait name
wait_rank/wait_time_pct Wait time percentage
waits_aggr_eh Aggregated waits for EH
waits_aggr_nh Aggregated waits for NH
waits_aggr_wh Aggregated waits for WH
waits_current Current waits
waits_deviation_eh Wait deviation for EH
waits_deviation_nh Wait deviation for NH
waits_deviation_wh Wait deviation for WH
waits_param_ignore_types Wait types to ignore

Instance and system

Name Description Typical values
bios_instance_id BIOS instance information
bios_instance_id/bios_name BIOS name
bios_instance_id/listener_ip Listener IP address
bios_instance_id/listener_name Listener name
bios_instance_id/listener_port Listener port
bios_instance_id/sql_inst_name SQL instance name
cmd_net_start Network start command
dbhost Database host name
edition The edition of the instance Standard Edition, Enterprise Edition
framework_exists Whether the dbWatch framework exists
hosttype Host type
instance_agent_job Instance agent job
instance_agent_job/date_modified Job modification time
instance_agent_job/description Job description
instance_agent_job/last_executed Job last executed time
instance_agent_job/name Job name
instance_agent_job/state Job state
instance_agent_job/status Job status
instance_agent_job_count_dbw Number of dbWatch agent jobs
instance_agent_job_disabled_count Number of disabled agent jobs
instance_agent_job_enabled_count Number of enabled agent jobs
instance_class Instance class
instance_information_table_id Instance information entry
instance_information_table_id/value Instance information value
instance_name Instance name
instance_started_sec_1970 Instance start time in seconds since 1970
is_azure Whether the instance is Azure
is_managed_instance Whether the instance is a managed instance
login_exists Whether the login exists
login_id Login entry
login_id/db_name Database name
login_id/DDL DDL statement
login_id/host_name Host name
login_id/instance_name Instance name
login_id/login_name Login name
login_id/user_name User name
maj_min_version Major version and update level
maj_version Major SQL Server version
on_linux Whether SQL Server runs on Linux
one Constant value one
patch_branch Patch branch
patch_count_available Number of available patches
patch_count_status Patch status count
patch_count_status_char Patch status text
patch_first_check First patch check time
patch_history_id Patch history entry
patch_history_id/patch_branch Patch branch
patch_history_id/patch_first_check First patch check
patch_history_id/patch_last_in_use Last patch in use
patch_history_id/patch_maj_version Major patch version
patch_history_id/patch_min_version Minor patch version
patch_history_id/patch_release Patch release
patch_last_branch Last patch branch
patch_last_in_use Last patch in use
patch_last_min_version Last patch minor version
patch_last_release Last patch release
patch_last_url Last patch URL
patch_maj_version Patch major version
patch_min_version Patch minor version
patch_release Patch release
platform_info Platform and version info SQL Server 2016 (SP3)
program_name Program name
prop_user Property user
rdsadmin_db_exists Whether the RDS admin database exists
sec_after_1970 Seconds after 1970
started A text representation of the start time for the instance 21.10.2020 11:39:16, 11.10.2023 11:47:08
time Current time
utc_diff_h UTC difference in hours
utc_diff_s UTC difference in seconds
utc_sec_diff UTC offset in seconds
version SQL Server product version

Miscellaneous

Name Description Typical values
activity
agresso_module
agresso_module/db_name
agresso_module/schema_id
agresso_module/schema_name
auto_update_stat_off_db_count
auto_update_stat_on_db_count
azure_dml_test_1k_avg
azure_dml_test_del_1k_avg
azure_dml_test_del_pct_var
azure_dml_test_ins_1k_avg
azure_dml_test_ins_pct_var
azure_dml_test_sel_1k_avg
azure_dml_test_sel_pct_var
azure_dml_test_tot_pct_var
azure_dml_test_upd_1k_avg
azure_dml_test_upd_pct_var
azure_dml_tests_count
checkpoint_avg_eh
checkpoint_avg_nh
checkpoint_avg_wh
complexity
complexity_AlwaysOn
complexity_cluster
complexity_verion
cpu
dc_pct_var
dm_db_missing_index_count
dm_db_missing_index_count/idx_count
endgine_cc_count
endgine_data_file_size_MB
engine_data_file_name
engine_data_file_name/file_type
engine_data_file_name/free_mb
engine_data_file_name/lname
engine_data_file_name/max_size_mb
engine_data_file_name/size_mb
engine_data_file_name/used_mb
engine_data_file_name/used_pct
engine_edition SQL Server engine edition
engine_exists
engine_log_file_size_MB
file_io_write_latency_aggr_wh
file_io_write_max_latency
file_io_write_max_latency_drive
file_io_write_param_ignore_db
file_io_write_rank
file_io_write_rank/file_io_write_db
file_io_write_rank/file_io_write_drive
file_io_write_rank/file_io_write_kb_sec
file_io_write_rank/file_io_write_last period
file_io_write_rank/file_io_write_last_date
file_io_write_rank/file_io_write_latency
file_io_write_rank/file_io_write_ph_name
high_activity_monitor_histr_sec
high_activity_monitor_histr_sec/date_val
high_activity_monitor_histr_sec/idle_cpu
high_activity_monitor_histr_sec/logical_reads
high_activity_monitor_histr_sec/other_cpu
high_activity_monitor_histr_sec/physical_reads
high_activity_monitor_histr_sec/sql_cpu
inst_phys_mem
inst_targ_mem
inst_targ_mem_pct
lazy_writer_avg_eh
lazy_writer_avg_nh
lazy_writer_avg_wh
life_exp_current
life_exp_current_pct
life_exp_current_status
life_exp_interval_a
life_exp_interval_b
life_exp_interval_c
life_exp_interval_d
life_exp_interval_e
life_exp_interval_f
listener_port
ms_inst_count
ms_inst_name_list
ms_inst_names
obj_name_id
page_verify_option_change_count
page_verify_option_last_change
principal_mapping_dbo_missing_count
principal_mapping_dbu_count
principal_mapping_dbu_missing_count
program_name/user_count
pull_dbfile_id
pull_dbfile_id/db_name
pull_dbfile_id/dbw_instance
pull_dbfile_id/file_id
pull_dbfile_id/file_location
pull_dbfile_id/file_type
pull_dbfile_id/host_name
pull_dbfile_id/instance_name
pull_dbfile_id/logical_name
pull_dbfile_id/space_used_mb
pull_device_id
pull_device_id/compatibility_level
pull_device_id/db_name
pull_device_id/dbw_instance
pull_device_id/dev_location
pull_device_id/dev_name
pull_device_id/host_name
pull_device_id/instance_name
pull_device_id/last_backup_1970
pull_device_id/last_backup_txt
pull_device_id/last_restore_1970
pull_device_id/last_restore_txt
pull_device_id/org_compatibility_level
pull_device_id/stat_date_1970
pull_login_id
pull_login_id/db_name
pull_login_id/dbw_instance
pull_login_id/DDL
pull_login_id/host_name
pull_login_id/instance_name
pull_login_id/login_name
pull_login_id/status_info
pull_login_id/user_name
strength
top_20_appl_db_size_id
top_20_appl_db_size_id/Data_size_mb
top_20_appl_db_size_id/db_name
top_20_appl_db_size_id/file_count
top_20_appl_db_size_id/total_size_mb
top_20_appl_db_size_id/transaction_log_size_mb
tr_log_backup
tr_log_backup/backup_pref
tr_log_backup/compress_ratio
tr_log_backup/compressed_size_mb
tr_log_backup/curr_inst
tr_log_backup/db_name_plus_inst_name
tr_log_backup/elaps_time
tr_log_backup/finish
tr_log_backup/finish_ss
tr_log_backup/gr_name
tr_log_backup/is_copy_only
tr_log_backup/pri_inst
tr_log_backup/size_mb
tr_log_backup/start
tr_log_backup/status
tr_log_backup/type
tr_log_backup_comp_ratio_all
tr_log_backup_comp_size_GB_all
tr_log_backup_comp_size_MB_all
tr_log_backup_count_all
tr_log_backup_day_no
tr_log_backup_day_no/backup_count_per_day
tr_log_backup_day_no/day
tr_log_backup_day_no/first_backup
tr_log_backup_day_no/last_backup
tr_log_backup_day_no/max_size_compr_mb
tr_log_backup_day_no/min_size_compr_mb
tr_log_backup_day_no/stdev_size_compr_mb
tr_log_backup_day_no/sum_size_compr_mb
tr_log_backup_duration_minutes_all
tr_log_backup_duration_seconds_all
tr_log_backup_end_last_all
tr_log_backup_excl_copy_only
tr_log_backup_excl_copy_only/backup_pref
tr_log_backup_excl_copy_only/compress_ratio
tr_log_backup_excl_copy_only/compressed_size_mb
tr_log_backup_excl_copy_only/curr_inst
tr_log_backup_excl_copy_only/db_name_plus_inst_name
tr_log_backup_excl_copy_only/elaps_time
tr_log_backup_excl_copy_only/finish
tr_log_backup_excl_copy_only/finish_ss
tr_log_backup_excl_copy_only/gr_name
tr_log_backup_excl_copy_only/is_copy_only
tr_log_backup_excl_copy_only/pri_inst
tr_log_backup_excl_copy_only/size_mb
tr_log_backup_excl_copy_only/start
tr_log_backup_excl_copy_only/status
tr_log_backup_excl_copy_only/type
tr_log_backup_histr
tr_log_backup_histr/avg_backup_count_per_day
tr_log_backup_histr/avg_backup_count_per_day_bar
tr_log_backup_histr/avg_compr_backup_size_mb_per_day
tr_log_backup_histr/backup_days_per_week
tr_log_backup_histr/backup_days_per_week_bar
tr_log_backup_histr/backup_days_per_week_check
tr_log_backup_histr/first_backup_time
tr_log_backup_histr/last_backup_time
tr_log_backup_histr/stdev_backup_count_per_day
tr_log_backup_histr/sum_compr_backup_size_mb_per_week
tr_log_backup_size_GB_all
tr_log_backup_size_MB_all
tr_log_backup_start_first_all
transaction_log_size_warning
transaction_log_size_warning/data_file_count
transaction_log_size_warning/data_size
transaction_log_size_warning/db_status
transaction_log_size_warning/log_file_count
transaction_log_size_warning/log_size
transaction_log_size_warning/log_space_used
transaction_log_size_warning/ratio
transaction_log_size_warning/status
update_index_test_date
uptime_period
uptime_period/first_conn_sec_1970
uptime_period/first_dbwatch_connection
uptime_period/instance_name
uptime_period/last_conn_sec_1970
uptime_period/last_dbwatch_connection
uptime_period/started
uptime_period/started_sec_1970
uptime_period/uptime
wait_statistics_histr_sec
wait_statistics_histr_sec/date_val
wait_statistics_histr_sec/limit
wait_statistics_histr_sec/wait_time