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https://github.com/prometheus-community/windows_exporter.git
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Merge pull request #463 from secustor/implement-mssql-base-counters
WIP: Implement mssql base counters
This commit is contained in:
Calle Pettersson
@@ -179,7 +179,8 @@ type MSSQLCollector struct {
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AccessMethodsUsedtreepagecookie *prometheus.Desc
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AccessMethodsWorkfilesCreated *prometheus.Desc
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AccessMethodsWorktablesCreated *prometheus.Desc
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AccessMethodsWorktablesFromCacheRatio *prometheus.Desc
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AccessMethodsWorktablesFromCacheHits *prometheus.Desc
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AccessMethodsWorktablesFromCacheLookups *prometheus.Desc
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// Win32_PerfRawData_{instance}_SQLServerAvailabilityReplica
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AvailReplicaBytesReceivedfromReplica *prometheus.Desc
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@@ -194,7 +195,8 @@ type MSSQLCollector struct {
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// Win32_PerfRawData_{instance}_SQLServerBufferManager
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BufManBackgroundwriterpages *prometheus.Desc
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BufManBuffercachehitratio *prometheus.Desc
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BufManBuffercachehits *prometheus.Desc
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BufManBuffercachelookups *prometheus.Desc
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BufManCheckpointpages *prometheus.Desc
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BufManDatabasepages *prometheus.Desc
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BufManExtensionallocatedpages *prometheus.Desc
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@@ -252,7 +254,8 @@ type MSSQLCollector struct {
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DatabasesDBCCLogicalScanBytes *prometheus.Desc
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DatabasesGroupCommitTime *prometheus.Desc
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DatabasesLogBytesFlushed *prometheus.Desc
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DatabasesLogCacheHitRatio *prometheus.Desc
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DatabasesLogCacheHits *prometheus.Desc
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DatabasesLogCacheLookups *prometheus.Desc
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DatabasesLogCacheReads *prometheus.Desc
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DatabasesLogFilesSizeKB *prometheus.Desc
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DatabasesLogFilesUsedSizeKB *prometheus.Desc
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@@ -317,7 +320,8 @@ type MSSQLCollector struct {
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GenStatsUserConnections *prometheus.Desc
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// Win32_PerfRawData_{instance}_SQLServerLocks
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LocksAverageWaitTimems *prometheus.Desc
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LocksWaitTime *prometheus.Desc
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LocksCount *prometheus.Desc
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LocksLockRequests *prometheus.Desc
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LocksLockTimeouts *prometheus.Desc
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LocksLockTimeoutstimeout0 *prometheus.Desc
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@@ -656,12 +660,18 @@ func NewMSSQLCollector() (Collector, error) {
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[]string{"instance"},
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nil,
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),
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AccessMethodsWorktablesFromCacheRatio: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "accessmethods_worktables_from_cache_ratio"),
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AccessMethodsWorktablesFromCacheHits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "accessmethods_worktables_from_cache_hits"),
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"(AccessMethods.WorktablesFromCacheRatio)",
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[]string{"instance"},
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nil,
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),
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AccessMethodsWorktablesFromCacheLookups: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "accessmethods_worktables_from_cache_lookups"),
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"(AccessMethods.WorktablesFromCacheRatio_Base)",
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[]string{"instance"},
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nil,
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),
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// Win32_PerfRawData_{instance}_SQLServerAvailabilityReplica
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AvailReplicaBytesReceivedfromReplica: prometheus.NewDesc(
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@@ -726,12 +736,18 @@ func NewMSSQLCollector() (Collector, error) {
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[]string{"instance"},
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nil,
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),
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BufManBuffercachehitratio: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "bufman_buffer_cache_hit_ratio"),
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BufManBuffercachehits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "bufman_buffer_cache_hits"),
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"(BufferManager.Buffercachehitratio)",
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[]string{"instance"},
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nil,
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),
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BufManBuffercachelookups: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "bufman_buffer_cache_lookups"),
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"(BufferManager.Buffercachehitratio_Base)",
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[]string{"instance"},
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nil,
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),
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BufManCheckpointpages: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "bufman_checkpoint_pages"),
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"(BufferManager.Checkpointpages)",
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@@ -1054,12 +1070,18 @@ func NewMSSQLCollector() (Collector, error) {
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[]string{"instance", "database"},
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nil,
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),
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DatabasesLogCacheHitRatio: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "databases_log_cache_hit_ratio"),
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DatabasesLogCacheHits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "databases_log_cache_hits"),
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"(Databases.LogCacheHitRatio)",
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[]string{"instance", "database"},
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nil,
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),
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DatabasesLogCacheLookups: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "databases_log_cache_lookups"),
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"(Databases.LogCacheHitRatio_Base)",
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[]string{"instance", "database"},
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nil,
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),
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DatabasesLogCacheReads: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "databases_log_cache_reads"),
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"(Databases.LogCacheReads)",
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@@ -1424,9 +1446,15 @@ func NewMSSQLCollector() (Collector, error) {
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),
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// Win32_PerfRawData_{instance}_SQLServerLocks
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LocksAverageWaitTimems: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "locks_average_wait_seconds"),
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"(Locks.AverageWaitTimems)",
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LocksWaitTime: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "locks_wait_time_seconds"),
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"(Locks.AverageWaitTimems Total time in seconds which locks have been holding resources)",
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[]string{"instance", "resource"},
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nil,
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),
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LocksCount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "locks_count"),
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"(Locks.AverageWaitTimems_Base count of how often requests have run into locks)",
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[]string{"instance", "resource"},
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nil,
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),
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@@ -1863,6 +1891,7 @@ type win32PerfRawDataSQLServerAccessMethods struct {
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WorkfilesCreatedPersec uint64
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WorktablesCreatedPersec uint64
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WorktablesFromCacheRatio uint64
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WorktablesFromCacheRatio_Base uint64
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}
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func (c *MSSQLCollector) collectAccessMethods(ch chan<- prometheus.Metric, sqlInstance string) (*prometheus.Desc, error) {
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@@ -2175,11 +2204,18 @@ func (c *MSSQLCollector) collectAccessMethods(ch chan<- prometheus.Metric, sqlIn
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)
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ch <- prometheus.MustNewConstMetric(
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c.AccessMethodsWorktablesFromCacheRatio,
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c.AccessMethodsWorktablesFromCacheHits,
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prometheus.CounterValue,
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float64(v.WorktablesFromCacheRatio),
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sqlInstance,
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)
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ch <- prometheus.MustNewConstMetric(
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c.AccessMethodsWorktablesFromCacheLookups,
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prometheus.CounterValue,
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float64(v.WorktablesFromCacheRatio_Base),
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sqlInstance,
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)
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return nil, nil
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}
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@@ -2282,6 +2318,7 @@ func (c *MSSQLCollector) collectAvailabilityReplica(ch chan<- prometheus.Metric,
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type win32PerfRawDataSQLServerBufferManager struct {
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BackgroundwriterpagesPersec uint64
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Buffercachehitratio uint64
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Buffercachehitratio_Base uint64
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CheckpointpagesPersec uint64
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Databasepages uint64
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Extensionallocatedpages uint64
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@@ -2327,12 +2364,19 @@ func (c *MSSQLCollector) collectBufferManager(ch chan<- prometheus.Metric, sqlIn
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)
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ch <- prometheus.MustNewConstMetric(
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c.BufManBuffercachehitratio,
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c.BufManBuffercachehits,
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prometheus.GaugeValue,
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float64(v.Buffercachehitratio),
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sqlInstance,
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)
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ch <- prometheus.MustNewConstMetric(
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c.BufManBuffercachelookups,
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prometheus.GaugeValue,
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float64(v.Buffercachehitratio_Base),
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sqlInstance,
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)
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ch <- prometheus.MustNewConstMetric(
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c.BufManCheckpointpages,
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prometheus.CounterValue,
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@@ -2704,6 +2748,7 @@ type win32PerfRawDataSQLServerDatabases struct {
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GroupCommitTimePersec uint64
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LogBytesFlushedPersec uint64
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LogCacheHitRatio uint64
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LogCacheHitRatio_Base uint64
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LogCacheReadsPersec uint64
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LogFilesSizeKB uint64
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LogFilesUsedSizeKB uint64
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@@ -2819,12 +2864,19 @@ func (c *MSSQLCollector) collectDatabases(ch chan<- prometheus.Metric, sqlInstan
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)
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ch <- prometheus.MustNewConstMetric(
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c.DatabasesLogCacheHitRatio,
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c.DatabasesLogCacheHits,
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prometheus.GaugeValue,
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float64(v.LogCacheHitRatio),
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sqlInstance, dbName,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DatabasesLogCacheLookups,
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prometheus.GaugeValue,
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float64(v.LogCacheHitRatio_Base),
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sqlInstance, dbName,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DatabasesLogCacheReads,
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prometheus.CounterValue,
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@@ -3299,6 +3351,7 @@ func (c *MSSQLCollector) collectGeneralStatistics(ch chan<- prometheus.Metric, s
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type win32PerfRawDataSQLServerLocks struct {
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Name string
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AverageWaitTimems uint64
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AverageWaitTimems_Base uint64
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LockRequestsPersec uint64
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LockTimeoutsPersec uint64
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LockTimeoutstimeout0Persec uint64
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@@ -3321,12 +3374,19 @@ func (c *MSSQLCollector) collectLocks(ch chan<- prometheus.Metric, sqlInstance s
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lockResourceName := v.Name
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ch <- prometheus.MustNewConstMetric(
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c.LocksAverageWaitTimems,
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c.LocksWaitTime,
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prometheus.GaugeValue,
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float64(v.AverageWaitTimems)/1000.0,
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sqlInstance, lockResourceName,
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)
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ch <- prometheus.MustNewConstMetric(
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c.LocksCount,
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prometheus.GaugeValue,
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float64(v.AverageWaitTimems_Base)/1000.0,
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sqlInstance, lockResourceName,
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)
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ch <- prometheus.MustNewConstMetric(
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c.LocksLockRequests,
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prometheus.CounterValue,
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@@ -249,7 +249,27 @@ Name | Description | Type | Labels
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_This collector does not yet have explained examples, we would appreciate your help adding them!_
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## Useful queries
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_This collector does not yet have any useful queries added, we would appreciate your help adding them!_
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### Buffer Cache Hit Ratio
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When you read the counter in perfmon you will get the the percentage pages found in the buffer cache. This percentage is calculated internally based on the total number of cache hits divided by the total number of cache lookups over the last few thousand page accesses.
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This collector retrieves the two internal values separately. In order to calculate the Buffer Cache Hit Ratio in PromQL.
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```
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wmi_mssql_bufman_buffer_cache_hits{instance="host:9182", exported_instance="MSSQLSERVER"} /
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wmi_mssql_bufman_buffer_cache_lookups{instance="host:9182", exported_instance="MSSQLSERVER"}
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```
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This principal can be used for following metrics too:
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- AccessMethodsWorktablesFromCacheHitRatio
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- accessmethods_worktables_from_cache_hits
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- accessmethods_worktables_from_cache_lookups
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- LogCacheHitRatio
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- databases_log_cache_hits
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- databases_log_cache_lookups
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- AverageLockWaitTime
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- locks_wait_time_seconds
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- locks_count
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## Alerting examples
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_This collector does not yet have alerting examples, we would appreciate your help adding them!_
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