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Add MSSQL Wait Statistics (#793)
Signed-off-by: benjaminjb <benjamin.blattberg@gmail.com>
This commit is contained in:
Benjamin Blattberg
GitHub
parent
cc45eeb90b
commit
1b96bb6d08
@ -70,7 +70,7 @@ func getMSSQLInstances() mssqlInstancesType {
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type mssqlCollectorsMap map[string]mssqlCollectorFunc
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func mssqlAvailableClassCollectors() string {
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return "accessmethods,availreplica,bufman,databases,dbreplica,genstats,locks,memmgr,sqlstats,sqlerrors,transactions"
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return "accessmethods,availreplica,bufman,databases,dbreplica,genstats,locks,memmgr,sqlstats,sqlerrors,transactions,waitstats"
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}
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func (c *MSSQLCollector) getMSSQLCollectors() mssqlCollectorsMap {
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@ -86,6 +86,7 @@ func (c *MSSQLCollector) getMSSQLCollectors() mssqlCollectorsMap {
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mssqlCollectors["sqlstats"] = c.collectSQLStats
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mssqlCollectors["sqlerrors"] = c.collectSQLErrors
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mssqlCollectors["transactions"] = c.collectTransactions
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mssqlCollectors["waitstats"] = c.collectWaitStats
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return mssqlCollectors
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}
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@ -121,6 +122,8 @@ func mssqlGetPerfObjectName(sqlInstance string, collector string) string {
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suffix = "SQL Statistics"
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case "transactions":
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suffix = "Transactions"
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case "waitstats":
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suffix = "Wait Statistics"
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}
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return (prefix + suffix)
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}
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@ -382,6 +385,20 @@ type MSSQLCollector struct {
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TransactionsVersionStoreCreationUnits *prometheus.Desc
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TransactionsVersionStoreTruncationUnits *prometheus.Desc
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// Win32_PerfRawData_{instance}_SQLServerWaitStatistics
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WaitStatsLockWaits *prometheus.Desc
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WaitStatsMemoryGrantQueueWaits *prometheus.Desc
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WaitStatsThreadSafeMemoryObjectsWaits *prometheus.Desc
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WaitStatsLogWriteWaits *prometheus.Desc
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WaitStatsLogBufferWaits *prometheus.Desc
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WaitStatsNetworkIOWaits *prometheus.Desc
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WaitStatsPageIOLatchWaits *prometheus.Desc
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WaitStatsPageLatchWaits *prometheus.Desc
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WaitStatsNonpageLatchWaits *prometheus.Desc
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WaitStatsWaitForTheWorkerWaits *prometheus.Desc
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WaitStatsWorkspaceSynchronizationWaits *prometheus.Desc
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WaitStatsTransactionOwnershipWaits *prometheus.Desc
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mssqlInstances mssqlInstancesType
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mssqlCollectors mssqlCollectorsMap
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mssqlChildCollectorFailure int
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@ -1789,6 +1806,91 @@ func NewMSSQLCollector() (Collector, error) {
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nil,
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),
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// Win32_PerfRawData_{instance}_SQLServerWaitStatistics
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WaitStatsLockWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_lock_waits"),
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"(WaitStats.LockWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsMemoryGrantQueueWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_memory_grant_queue_waits"),
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"(WaitStats.MemoryGrantQueueWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsThreadSafeMemoryObjectsWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_thread_safe_memory_objects_waits"),
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"(WaitStats.ThreadSafeMemoryObjectsWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsLogWriteWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_log_write_waits"),
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"(WaitStats.LogWriteWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsLogBufferWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_log_buffer_waits"),
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"(WaitStats.LogBufferWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsNetworkIOWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_network_io_waits"),
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"(WaitStats.NetworkIOWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsPageIOLatchWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_page_io_latch_waits"),
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"(WaitStats.PageIOLatchWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsPageLatchWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_page_latch_waits"),
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"(WaitStats.PageLatchWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsNonpageLatchWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_nonpage_latch_waits"),
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"(WaitStats.NonpageLatchWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsWaitForTheWorkerWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_wait_for_the_worker_waits"),
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"(WaitStats.WaitForTheWorkerWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsWorkspaceSynchronizationWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_workspace_synchronization_waits"),
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"(WaitStats.WorkspaceSynchronizationWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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WaitStatsTransactionOwnershipWaits: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "waitstats_transaction_ownership_waits"),
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"(WaitStats.TransactionOwnershipWaits)",
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[]string{"mssql_instance", "item"},
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nil,
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),
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mssqlInstances: mssqlInstances,
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}
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@ -3731,6 +3833,123 @@ func (c *MSSQLCollector) collectSQLStats(ctx *ScrapeContext, ch chan<- prometheu
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return nil, nil
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}
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// Win32_PerfRawData_MSSQLSERVER_SQLServerWaitStatistics docs:
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// - https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-wait-statistics-object
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type mssqlWaitStatistics struct {
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Name string
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WaitStatsLockWaits float64 `perflib:"Lock waits"`
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WaitStatsMemoryGrantQueueWaits float64 `perflib:"Memory grant queue waits"`
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WaitStatsThreadSafeMemoryObjectsWaits float64 `perflib:"Thread-safe memory objects waits"`
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WaitStatsLogWriteWaits float64 `perflib:"Log write waits"`
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WaitStatsLogBufferWaits float64 `perflib:"Log buffer waits"`
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WaitStatsNetworkIOWaits float64 `perflib:"Network IO waits"`
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WaitStatsPageIOLatchWaits float64 `perflib:"Page IO latch waits"`
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WaitStatsPageLatchWaits float64 `perflib:"Page latch waits"`
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WaitStatsNonpageLatchWaits float64 `perflib:"Non-Page latch waits"`
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WaitStatsWaitForTheWorkerWaits float64 `perflib:"Wait for the worker"`
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WaitStatsWorkspaceSynchronizationWaits float64 `perflib:"Workspace synchronization waits"`
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WaitStatsTransactionOwnershipWaits float64 `perflib:"Transaction ownership waits"`
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}
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func (c *MSSQLCollector) collectWaitStats(ctx *ScrapeContext, ch chan<- prometheus.Metric, sqlInstance string) (*prometheus.Desc, error) {
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var dst []mssqlWaitStatistics
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log.Debugf("mssql_waitstats collector iterating sql instance %s.", sqlInstance)
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if err := unmarshalObject(ctx.perfObjects[mssqlGetPerfObjectName(sqlInstance, "waitstats")], &dst); err != nil {
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return nil, err
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}
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for _, v := range dst {
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item := v.Name
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsLockWaits,
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prometheus.CounterValue,
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v.WaitStatsLockWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsMemoryGrantQueueWaits,
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prometheus.CounterValue,
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v.WaitStatsMemoryGrantQueueWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsThreadSafeMemoryObjectsWaits,
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prometheus.CounterValue,
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v.WaitStatsThreadSafeMemoryObjectsWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsLogWriteWaits,
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prometheus.CounterValue,
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v.WaitStatsLogWriteWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsLogBufferWaits,
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prometheus.CounterValue,
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v.WaitStatsLogBufferWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsNetworkIOWaits,
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prometheus.CounterValue,
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v.WaitStatsNetworkIOWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsPageIOLatchWaits,
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prometheus.CounterValue,
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v.WaitStatsPageIOLatchWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsPageLatchWaits,
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prometheus.CounterValue,
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v.WaitStatsPageLatchWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsNonpageLatchWaits,
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prometheus.CounterValue,
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v.WaitStatsNonpageLatchWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsWaitForTheWorkerWaits,
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prometheus.CounterValue,
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v.WaitStatsWaitForTheWorkerWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsWorkspaceSynchronizationWaits,
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prometheus.CounterValue,
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v.WaitStatsWorkspaceSynchronizationWaits,
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sqlInstance, item,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WaitStatsTransactionOwnershipWaits,
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prometheus.CounterValue,
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v.WaitStatsTransactionOwnershipWaits,
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sqlInstance, item,
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)
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}
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return nil, nil
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}
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type mssqlSQLErrors struct {
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Name string
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ErrorsPersec float64 `perflib:"Errors/sec"`
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@ -5,14 +5,14 @@ The mssql collector exposes metrics about the MSSQL server
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-|-
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Metric name prefix | `mssql`
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Classes | [`Win32_PerfRawData_MSSQLSERVER_SQLServerAccessMethods`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-access-methods-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerAvailabilityReplica`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-availability-replica)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerBufferManager`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-buffer-manager-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerDatabaseReplica`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-database-replica)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerDatabases`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-databases-object?view=sql-server-2017)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerGeneralStatistics`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-general-statistics-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerLocks`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-locks-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerMemoryManager`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-memory-manager-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerSQLStatistics`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-sql-statistics-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerSQLErrors`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-sql-errors-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerTransactions`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-transactions-object)
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Classes | [`Win32_PerfRawData_MSSQLSERVER_SQLServerAccessMethods`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-access-methods-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerAvailabilityReplica`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-availability-replica)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerBufferManager`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-buffer-manager-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerDatabaseReplica`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-database-replica)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerDatabases`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-databases-object?view=sql-server-2017)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerGeneralStatistics`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-general-statistics-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerLocks`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-locks-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerMemoryManager`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-memory-manager-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerSQLStatistics`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-sql-statistics-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerSQLErrors`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-sql-errors-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerTransactions`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-transactions-object)<br/>[`Win32_PerfRawData_MSSQLSERVER_SQLServerWaitStatistics`](https://docs.microsoft.com/en-us/sql/relational-databases/performance-monitor/sql-server-wait-statistics-object)
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Enabled by default? | No
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## Flags
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### `--collectors.mssql.classes-enabled`
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Comma-separated list of MSSQL WMI classes to use. Supported values are `accessmethods`, `availreplica`, `bufman`, `databases`, `dbreplica`, `genstats`, `locks`, `memmgr`, `sqlstats`, `sqlerrors` and `transactions`.
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Comma-separated list of MSSQL WMI classes to use. Supported values are `accessmethods`, `availreplica`, `bufman`, `databases`, `dbreplica`, `genstats`, `locks`, `memmgr`, `sqlstats`, `sqlerrors`, `transactions`, and `waitstats`.
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### `--collectors.mssql.class-print`
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@ -127,7 +127,7 @@ Name | Description | Type | Labels
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`windows_mssql_databases_bulk_copy_rows` | Number of rows bulk copied per second | counter | `mssql_instance`, `database`
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`windows_mssql_databases_bulk_copy_bytes` | Amount of data bulk copied (in kilobytes) per second | counter | `mssql_instance`, `database`
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`windows_mssql_databases_commit_table_entries` | he size (row count) of the in-memory portion of the commit table for the database | counter | `mssql_instance`, `database`
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`windows_mssql_databases_data_files_size_bytes` | Cumulative size (in kilobytes) of all the data files in the database including any automatic growth. Monitoring this counter is useful, for example, for determining the correct size of tempdb | counter | `mssql_instance`, `database`
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`windows_mssql_databases_data_files_size_bytes` | Cumulative size (in kilobytes) of all the data files in the database including any automatic growth. Monitoring this counter is useful, for example, for determining the correct size of tempdb | gauge | `mssql_instance`, `database`
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`windows_mssql_databases_dbcc_logical_scan_bytes` | Number of logical read scan bytes per second for database console commands (DBCC) | counter | `mssql_instance`, `database`
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`windows_mssql_databases_group_commit_stall_seconds` | Group stall time (microseconds) per second | counter | `mssql_instance`, `database`
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`windows_mssql_databases_log_flushed_bytes` | Total number of log bytes flushed | counter | `mssql_instance`, `database`
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@ -244,6 +244,18 @@ Name | Description | Type | Labels
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`windows_mssql_transactions_version_store_units` | The number of active allocation units in the snapshot isolation version store in tempdb | counter | `mssql_instance`
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`windows_mssql_transactions_version_store_creation_units` | The number of allocation units that have been created in the snapshot isolation store since the instance of the Database Engine was started | counter | `mssql_instance`
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`windows_mssql_transactions_version_store_truncation_units` | The number of allocation units that have been removed from the snapshot isolation store since the instance of the Database Engine was started | counter | `mssql_instance`
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`windows_mssql_waitstats_lock_waits` | Statistics for processes waiting on a lock | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_memory_grant_queue_waits` | Statistics for processes waiting for memory grant to become available | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_thread_safe_memory_objects_waits` | Statistics for processes waiting on thread-safe memory allocators | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_log_write_waits` | Statistics for processes waiting for log buffer to be written | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_log_buffer_waits` | Statistics for processes waiting for log buffer to be available | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_network_io_waits` | Statistics relevant to wait on network I/O | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_page_io_latch_waits` | Statistics relevant to page I/O latches | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_page_latch_waits` | Statistics relevant to page latches, not including I/O latches | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_nonpage_latch_waits` | Statistics relevant to non-page latches | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_wait_for_the_worker_waits` | Statistics relevant to processes waiting for worker to become available | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_workspace_synchronization_waits` | Statistics relevant to processes synchronizing access to workspace | gauge | `mssql_instance`, `item`
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`windows_mssql_waitstats_transaction_ownership_waits` | Statistics relevant to processes synchronizing access to transaction | gauge | `mssql_instance`, `item`
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### Example metric
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_This collector does not yet have explained examples, we would appreciate your help adding them!_
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