Available Metrics

Gets

Total number of requests to the cache. This will be equal to the sum of the hits and misses.

HitPercentage

The percentage of successful hits relative to the total number of gets, as a decimal.

Hits

Number of get requests that were satisfied by the cache (requested key or value exists). Contains / containsAll operations are not included in this metric.

MissPercentage

The percentage of misses to the total number of gets, as a decimal.

Misses

Number of get requests that were not satisfied by the cache (requested key or value does not exist). Contains / containsAll operations are not included in this metric.

Puts

Total number of puts to the cache.

Removals

Total number of removals from the cache.

BytesReceived

Total number of bytes received.

BytesSent

Total number of bytes sent.

ConnectionsInitiated

Total number of initiated connections.

CursorsActive

Number of active cursors.

RequestsActive

Number of requests in progress.

RequestsFailed

Total number of failed requests.

RequestsProcessed

Total number of processed requests.

SessionsAccepted

Total number of accepted sessions.

SessionsActive

Number of currently active sessions.

SessionsRejected

Total number of sessions rejected due to handshake errors.

SessionsRejectedTimeout

Total number of sessions rejected due to a timeout.

SessionsRejectedTls

Total number of sessions rejected due to TLS handshake errors.

TransactionsActive

Number of active transactions.

ClockSkewExceedingMaxClockSkew

The observed clock skew that exceeded the maximum clock skew.

EntriesObserved

Total number of entries received from the source cluster.

EntriesSent

Total number of entries sent to receiver clusters.

ReplicationLag

The estimated lag between an entry being sent by the source cluster and received on the target cluster, in milliseconds.

DetailedExpirationMetrics

Detailed expiration metrics.

TotalDeletedExpiredRowsCount

Total number of deleted expired rows.

IndexesReadingStorage

Number of indexes that are currently reading data from storage.

IndexesWaitingForReplica

Number of indexes that are currently waiting for replica response.

IndexesWaitingForTransactions

Number of indexes that are currently waiting for transactions to complete.

TotalIndexesBuilding

Total number of indexes the node is currently building.

TransactionsWaitingFor

Number of transactions that indexes are currently waiting for.

gc.CollectionTime

The approximate total time spent on garbage collection in milliseconds, summed across all collectors.

gc.CollectionTimePercent

Percentage of time spent on garbage collection relative to JVM uptime.

memory.heap.Committed

The committed amount of heap memory.

memory.heap.FreePercent

Percentage of free heap memory.

memory.heap.Init

The initial amount of heap memory.

memory.heap.Max

The maximum amount of heap memory.

memory.heap.Used

The currently used amount of heap memory.

memory.non-heap.Committed

The committed amount of non-heap memory.

memory.non-heap.Init

The initial amount of non-heap memory.

memory.non-heap.Max

The maximum amount of non-heap memory.

memory.non-heap.Used

The used amount of non-heap memory.

UpTime

The uptime of the Java virtual machine in milliseconds.

license.DaysToLicenseExpiration

Number of days left until the license expires.

license.MaxHeapSize

The maximum heap size allowed. Represents the sum of configured maximum heap sizes on cluster nodes (0 is unlimited).

license.MaxNumberOfCores

The maximum number of cores allowed. Represents the sum of cores used for all cluster nodes (0 is unlimited).

license.MaxNumberOfHosts

The maximum number of hosts allowed. Represents the number of hosts where cluster nodes are located (0 is unlimited).

license.MaxNumberOfNodes

The maximum number of nodes allowed. Represents the total number of nodes in the cluster topology (0 is unlimited).

license.MaxOffheapSize

The maximum off-heap size allowed. Represents the sum of all storage profiles' sizes on cluster nodes (0 is unlimited).

license.MaxRamSize

The maximum RAM size allowed. Represents the sum of available RAM on all hosts (0 is unlimited).

invokeTimeouts

Total number of invocation timeouts.

messageHandlingFailures

Total number of message handling failures.

messageRecipientNotFound

Total number of message recipient resolution failures.

slowResponses

Total number of responses that took longer than 100ms to generate.

AvailablePeers

Number of available members of the Meta Storage voting set, calculated based on the current logical topology.

MajorityAvailable

1 if the Meta Storage majority is available, 0 otherwise. Indicating whether Meta Storage can execute commands. Updated every 5 seconds.

IdempotentCacheSize

The current size of the cache of idempotent commands' results.

SafeTimeLag

Number of milliseconds the local Meta Storage SafeTime lags behind the local logical clock.

AvailableProcessors

Number of processors available to the Java virtual machine.

CpuLoad

LoadAverage

The system load average for the last minute. The system load average is the sum of the number of runnable entities queued to the available processors and the number of runnable entities running on the available processors, averaged over a period of time. The way in which the load average is calculated depends on the operating system. If the load average is not available, a negative value is returned.

AcceptedLeases

Number of active leases. Equals the number of replication groups for which a primary replica has been elected.

LeaseNegotiations

Number of leases currently in negotiation. Represents the number of replication groups for which the primary replica has not yet been selected.

ReplicationGroups

Total number of replication groups. Each group first appears in LeaseNegotiations. After the primary is elected, its entry moves to AcceptedLeases and is removed from LeaseNegotiations.

raft.fsmcaller.disruptor.Batch

The histogram of the batch size to handle in the state machine for partitions.

raft.fsmcaller.disruptor.Stripes

The histogram of distribution data by stripes in the state machine for partitions.

raft.groups.localLeadersCount

Number of raft groups where this node is the leader.

raft.log.storage.CmgLogStorageSize

Number of bytes occupied on disk by the CMG log.

raft.log.storage.MetastorageLogStorageSize

Number of bytes occupied on disk by the Meta Storage group log.

raft.log.storage.PartitionsLogStorageSize

Number of bytes occupied on disk by the partitions groups logs.

raft.log.storage.TotalLogStorageSize

Number of bytes occupied on disk by logs of all replication groups.

raft.logmanager.disruptor.Batch

The histogram of the batch size to handle in the log for partitions.

raft.logmanager.disruptor.Stripes

The histogram of distribution data by stripes in the log for partitions.

raft.nodeimpl.disruptor.Batch

The histogram of the batch size to handle node operations for partitions.

raft.nodeimpl.disruptor.Stripes

The histogram of distribution data by stripes for node operations for partitions.

raft.readonlyservice.disruptor.Batch

The histogram of the batch size to handle read-only operations for partitions.

raft.readonlyservice.disruptor.Stripes

The histogram of distribution data by stripes for read-only operations for partitions.

IncomingSnapshots

Number of incoming Raft snapshots in progress.

IncomingSnapshotsLoadingMeta

Number of incoming Raft snapshots loading metadata.

IncomingSnapshotsLoadingMvData

Number of incoming Raft snapshots loading multi-versioned data.

IncomingSnapshotsLoadingTxMeta

Number of incoming Raft snapshots loading transaction metadata.

IncomingSnapshotsPreparingIndexForBuild

Number of incoming Raft snapshots preparing indexes for build.

IncomingSnapshotsPreparingStorages

Number of incoming Raft snapshots preparing storages.

IncomingSnapshotsWaitingCatalog

Number of incoming Raft snapshots waiting for catalog.

OutgoingSnapshots

Number of outgoing Raft snapshots in progress.

MarkedForVacuumTransactionMetaCount

The count of transaction metas that have been marked for vacuum.

SkippedForFurtherProcessingUnfinishedTransactionCount

The current number of unfinished transactions that are skipped by the vacuumizer for further processing.

VacuumizedPersistentTransactionMetaCount

The count of persistent transaction metas that have been vacuumized.

VacuumizedVolatileTxnMetaCount

The count of volatile transaction metas that have been vacuumized.

Waits

Histogram of schema synchronization wait times in milliseconds. High values may indicate Meta Storage unavailability or slowness. Includes distribution buckets from 0-1ms to 5000ms+

OpenCursors

Number of currently open cursors.

Limit

The SQL memory limit (bytes).

MaxReserved

The maximum memory usage by SQL so far (bytes).

Reserved

The current memory usage by SQL (bytes).

StatementLimit

The memory limit per SQL statement (bytes).

DataLimit

The SQL offloading data limit in bytes.

DiskUsage

The amount of space currently used by the offloading in bytes.

MaxDiskUsage

The maximum amount of space used by the offloading in bytes.

OffloadedActiveQueries

Number of active queries that have been spilled to disk.

OpenedFilesCount

Number of open files used for offloading.

TotalBytesRead

Total number of bytes read from disk by the offloading.

TotalBytesWritten

Total number of bytes written to disk by the offloading.

TotalOffloadedQueries

Total number of queries that have been spilled to disk.

TotalReadOperationsCount

Total number of read operations performed by the offloading.

TotalWriteOperationsCount

Total number of write operations performed by the offloading.

Hits

Total number of cache plan hits.

Misses

Total number of cache plan misses.

Canceled

Total number of canceled queries.

ExceededMemoryQuota

Total number of queries that failed due to exceeding the memory quota.

Failed

Total number of failed queries. This metric includes all unsuccessful queries, regardless of reason.

Succeeded

Total number of successful queries.

TimedOut

Total number of queries that failed due to a time-out.

LastCheckpointBeforeLockDuration

The duration of actions before hold lock by the last checkpoint in milliseconds.

LastCheckpointDuration

The duration of the last checkpoint in milliseconds.

LastCheckpointFsyncDuration

The duration of the sync phase of the last checkpoint in milliseconds.

LastCheckpointLockHoldDuration

The duration of the last checkpoint lock hold in milliseconds.

LastCheckpointLockWaitDuration

The duration of the last checkpoint lock wait in milliseconds

LastCheckpointPagesWriteDuration

The duration of the last checkpoint pages write in milliseconds.

LastCheckpointReplicatorLogSyncDuration

The duration of the replicator log sync phase of the last checkpoint in milliseconds.

LastCheckpointSplitAndSortPagesDuration

The duration of the split and sort dirty pages phase of the last checkpoint in milliseconds.

LastCheckpointTotalPagesNumber

Total number of pages written during the last checkpoint.

LastCheckpointWaitPageReplacementDuration

The duration of the wait page replacement phase of the last checkpoint in milliseconds.

ReadLockAcquisitionTime

Time from requesting checkpoint read lock until acquisition in nanoseconds.

ReadLockHoldTime

Duration between checkpoint read lock acquisition and release in nanoseconds.

ReadLockWaitingThreads

Current number of threads waiting for checkpoint read lock.

RunConsistentlyActiveCount

Current number of active runConsistently calls.

RunConsistentlyDuration

Time spent in runConsistently closures in nanoseconds.

RunConsistentlyStarted

Total number of runConsistently invocations started.

ReadsTime

Time spent in disk read operation in microseconds.

TotalBytesRead

Cumulative bytes read from disk since startup.

TotalBytesWritten

Cumulative bytes written to disk since startup.

WritesTime

Time spent in disk write operation in microseconds.

StorageSize

Size of the entire storage in bytes.

PagesFillFactor

Average fill factor of pages allocated by the aipersist storage engine for a given table, expressed as a percentage. Fill factor is calculated as the ratio of TotalDataSize to TotalUsedSize, multiplied by 100.

TotalAllocatedSize

Total size of all pages allocated by the aipersist storage engine for a given table, in bytes.

TotalDataSize

Total space occupied by data contained in pages allocated by the aipersist storage engine for a given table, in bytes.

TotalEmptySize

Total size of completely empty pages allocated by the aipersist storage engine for a given table, in bytes.

TotalUsedSize

Total size of non-empty pages allocated by the aipersist storage engine for a given table, in bytes.

CpEvictedPages

Number of evicted pages in the current checkpoint.

CpSyncedPages

Number of fsynced pages in the current checkpoint.

CpTotalPages

Number of pages in the current checkpoint.

CpWriteSpeed

The checkpoint write speed, in pages per second. The value is averaged over the last 3 checkpoints plus the current one.

CpWrittenPages

Number of written pages in the current checkpoint.

CurrDirtyRatio

The current ratio of dirty pages (dirty vs total), expressed as a fraction. The fraction is computed for each segment in the current region, and the highest value becomes "current."

DirtyPages

The current number of dirty pages in memory.

LastEstimatedSpeedForMarkAll

The last estimated speed of marking all clean pages dirty to the end of a checkpoint, in pages per second.

LoadedPages

The current number of pages loaded in memory.

MarkDirtySpeed

The speed of marking pages dirty, in pages per second. The value is averaged over the last 3 fragments, 0.25 sec each, plus the current fragment, 0–0.25 sec (0.75–1.0 sec total).

MaxSize

The maximum in-memory region size in bytes.

PageAcquireTime

Distribution of page acquisition time in nanoseconds.

PageCacheHits

Number of times a page was found in the page cache.

PageCacheMisses

Number of times a page was not found in the page cache and had to be loaded from disk.

PageReplacements

Number of times a page was replaced (evicted) from the page cache.

PagesFillFactor

Average fill factor of pages allocated by the aipersist storage engine, expressed as a percentage. Fill factor is calculated as the ratio of TotalDataSize to TotalUsedSize, multiplied by 100.

PagesRead

Number of pages read from disk since the last restart.

PagesWritten

Number of pages written to disk since the last restart.

SpeedBasedThrottlingPercentage

The fraction of throttling time within average marking time (e.g., "quarter" = 0.25).

TargetDirtyRatio

The ratio of dirty pages (dirty vs total), expressed as a fraction. Throttling starts when this ratio is reached.

ThrottleParkTime

The park (sleep) time for the write operation, in nanoseconds. The value is averaged over the last 3 fragments, 0.25 sec each, plus the current fragment, 0–0.25 sec (0.75–1.0 sec total). It defines park periods for either the checkpoint buffer protection or the clean page pool protection.

TotalAllocatedSize

Total size of all pages allocated by the aipersist storage engine, in bytes.

TotalDataSize

Total space occupied by data contained in pages allocated by the aipersist storage engine, in bytes.

TotalEmptySize

Total size of completely empty pages allocated by the aipersist storage engine, in bytes.

TotalUsedSize

Total size of non-empty pages allocated by the aipersist storage engine, in bytes.

RoReads

Total number of reads performed within read-only transactions.

RwReads

Total number of reads performed within read-write transactions.

Writes

Total number of write operations for this table.

ActiveCount

The approximate number of threads that are actively executing tasks.

CompletedTaskCount

The approximate total number of tasks that have completed execution.

CorePoolSize

The core number of threads.

KeepAliveTime

The thread keep-alive time, which is the amount of time threads in excess of the core pool size may remain idle before being terminated.

LargestPoolSize

The largest number of threads that have ever simultaneously been in the pool.

MaximumPoolSize

The maximum allowed number of threads.

PoolSize

The current number of threads in the pool.

QueueSize

The current size of the execution queue.

TaskCount

The approximate total number of tasks that have been scheduled for execution.

ClusterId

The unique identifier of the cluster.

ClusterName

The unique name of the cluster.

TotalNodes

Total number of nodes in the logical topology.

NetworkAddress

Network address of the local node.

NetworkPort

Network port of the local node.

NodeId

The unique identifier of the node.

NodeName

The unique name of the node.

NodeVersion

The GridGain version on the node.

PendingWriteIntents

Total number of unresolved write intents across all local partitions on this node.

RoCommits

Total number of read-only transaction commits.

RoDuration

The histogram representation of read-only transaction latency.

RoRollbacks

Total number of read-only transaction rollbacks.

RwCommits

Total number of read-write transaction commits.

RwDuration

The histogram representation of read-write transaction latency.

RwRollbacks

Total number of read-write transaction rollbacks.

TotalCommits

Total number of transaction commits.

TotalRollbacks

Total number of transaction rollbacks.

InitialVersion

Initial cluster version.

State

State of the rolling upgrade. Indicates whether a rolling upgrade is in progress or not.

TargetVersion

Target cluster version. May be null or empty if no upgrade is in progress.

UpgradedNodes

Set of node IDs that have been upgraded.

NotUpgradedNodes

Set of node IDs that have not been upgraded yet.

LocalUnrebalancedPartitionsCount

Number of partitions that should be moved to this node.

TotalUnrebalancedPartitionsCount

Total number of partitions that should be moved to a new owner.