package
2.5.7
Repository: https://github.com/milvus-io/milvus.git
Documentation: pkg.go.dev

# Functions

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GetRegisterer returns the global prometheus registerer metricsRegistry must be call after Register is called or no Register is called.
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Register serves prometheus http service Should be called by init function.
RegisterCGOMetrics registers the cgo metrics.
RegisterDataCoord registers DataCoord metrics.
RegisterDataNode registers DataNode metrics.
RegisterIndexNode registers IndexNode metrics.
RegisterMetaMetrics registers meta metrics.
RegisterMetaType registers the type of meta.
RegisterMQType registers the type of mq.
RegisterMsgStreamMetrics registers msg stream metrics.
RegisterProxy registers Proxy metrics.
RegisterQueryCoord registers QueryCoord metrics.
RegisterQueryNode registers QueryNode metrics.
RegisterRootCoord registers RootCoord metrics.
RegisterStorageMetrics registers storage metrics.
RegisterStreamingNode registers streaming node metrics.
RegisterStreamingServiceClient registers streaming service client metrics.
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# Constants

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entities label.
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not used.
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Note: below must matchcommonpb.SegmentState_name fields.
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# Variables

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DataCoordCollectionNum records the num of collections managed by DataCoord.
DataCoordNumDataNodes records the num of data nodes managed by DataCoord.
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DataCoordNumStoredRows all metrics will be cleaned up after removing matched collectionID and segment state labels in CleanupDataCoordNumStoredRows method.
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DataNodeConsumeBytesCount counts the bytes DataNode consumed from message storage.
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DataNodeFlushReqCounter counts the num of calls of FlushSegments.
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GarbageCollectorFileScanDuration metrics for gc scan storage files.
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IndexNodeNum records the number of IndexNodes managed by IndexCoord.
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IndexRequestCounter records the number of the index requests.
IndexTaskNum records the number of index tasks of each type.
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ProxyApplyPrimaryKeyLatency record the latency that apply primary key.
ProxyApplyTimestampLatency record the latency that proxy apply timestamp.
ProxyAssignSegmentIDLatency record the latency that Proxy get segmentID from dataCoord.
ProxyCacheStatsCounter record the number of Proxy cache hits or miss.
ProxyCollectionMutationLatency record the latency that mutate successfully, per collection Deprecated, ProxyMutationLatency instead of it.
ProxyCollectionSQLatency record the latency of search successfully, per collection Deprecated, ProxySQLatency instead of it.
ProxyDecodeResultLatency record the time that the proxy decodes the search result.
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ProxyFunctionCall records the number of times the function of the DDL operation was executed, like `CreateCollection`.
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ProxyInsertVectors record the number of vectors insert successfully.
ProxyLimiterRate records rates of rateLimiter in Proxy.
ProxyMsgStreamObjectsForPChan record the number of MsgStream objects per PChannel on each collection_id on Proxy.
ProxyMutationLatency record the latency that mutate successfully.
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ProxyQueueTaskNum records task number of queue in Proxy.
ProxyRateLimitReqCount integrates a counter monitoring metric for the rate-limit rpc requests.
ProxyReadReqSendBytes record the bytes sent back to client by Proxy.
ProxyRecallSearchCount records the counter that users issue recall evaluation requests, which are cpu-intensive.
ProxyReceiveBytes record the received bytes of messages in Proxy.
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ProxyReduceResultLatency record the time that the proxy reduces search result.
ProxyReportValue records value about the request.
ProxyReqInQueueLatency records the latency that requests wait in the queue, like "CreateCollection".
ProxyReqLatency records the latency that for all requests, like "CreateCollection".
ProxyRetrySearchCount records the retry search count when result count does not meet limit and topk reduce is on.
ProxyRetrySearchResultInsufficientCount records the retry search without reducing topk that still not meet result limit there are more likely some non-index-related reasons like we do not have enough entities for very big k, duplicate pks, etc.
ProxySearchSparseNumNonZeros records the estimated number of non-zeros in each sparse search task.
ProxySearchVectors record the number of vectors search successfully.
ProxySendMutationReqLatency record the latency that Proxy send insert request to MsgStream.
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ProxySQLatency record the latency of search successfully.
ProxySyncSegmentRequestLength the length of SegmentIDRequests when assigning segments for insert.
ProxySyncTimeTickLag record Proxy synchronization timestamp statistics, differentiated by Channel.
ProxyUpdateCacheLatency record the time that proxy update cache when cache miss.
ProxyUpsertVectors record the number of vectors upsert successfully.
ProxyWaitForSearchResultLatency record the time that the proxy waits for the search result.
ProxyWorkLoadScore record the score that measured query node's workload.
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QueryNodeConsumeCounter counts the bytes QueryNode consumed from message storage.
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QueryNodeDiskCacheEvictBytes records the number of bytes evicted from disk cache.
QueryNodeDiskCacheEvictDuration records the total time cost of evicting segments from disk cache.
QueryNodeDiskCacheEvictGlobalDuration records the global time cost of evicting segments from disk cache.
QueryNodeDiskCacheEvictTotal records the number of real segments evicted from disk cache.
QueryNodeDiskCacheLoadBytes records the number of bytes loaded from disk cache.
QueryNodeDiskCacheLoadDuration records the total time cost of loading segments from disk cache.
QueryNodeDiskCacheLoadGlobalDuration records the global time cost of loading segments from disk cache.
QueryNodeDiskCacheLoadTotal records the number of real segments loaded from disk cache.
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QueryNodeExecuteCounter counts the bytes of requests in QueryNode.
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QueryNodeSegmentAccessDuration records the total time cost of accessing segments including cache loads.
QueryNodeSegmentAccessGlobalDuration records the global time cost of accessing segments.
QueryNodeSegmentAccessTotal records the total number of search or query segments accessed.
QueryNodeSegmentAccessWaitCacheDuration records the total time cost of waiting for loading access.
QueryNodeSegmentAccessWaitCacheGlobalDuration records the global time cost of waiting for loading access.
QueryNodeSegmentAccessWaitCacheTotal records the number of search or query segments that have to wait for loading access.
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RestfulFunctionCall records the number of times the restful apis was called.
RestfulReceiveBytes record the received bytes of messages in Proxy.
RestfulReqLatency records the latency that for all requests.
RestfulSendBytes record the bytes sent back to client by Proxy.
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RootCoordDDLReqLatency records the latency for read type of DDL operations.
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RootCoordForceDenyWritingCounter records the number of times that milvus turns into force-deny-writing states.
RootCoordIDAllocCounter records the number of global ID allocations.
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RootCoordInsertChannelTimeTick counts the time tick num of insert channel in 24H.
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RootCoordNumOfCollections counts the number of collections.
RootCoordNumOfCredentials counts the number of credentials.
RootCoordNumOfDatabases counts the number of database.
RootCoordNumOfDMLChannel counts the number of DML channels.
RootCoordNumOfMsgStream counts the number of message streams.
RootCoordNumOfPartitions counts the number of partitions per collection.
RootCoordNumOfPrivilegeGroups counts the number of credentials.
RootCoordNumOfRoles counts the number of credentials.
RootCoordProxyCounter counts the num of registered proxy nodes.
RootCoordQuotaStates records the quota states of cluster.
RootCoordRateLimitRatio reflects the ratio of rate limit.
RootCoordSyncTimeTickLatency records the latency of sync time tick.
RootCoordTimestamp records the number of timestamp allocations in RootCoord.
RootCoordTimestampSaved records the number of timestamp allocations in ETCD.
RootCoordTtDelay records the max time tick delay of flow graphs in DataNodes and QueryNodes.
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StreamingCoord metrics.
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StreamingNode Consumer Server Metrics.
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StreamingNode Producer Server Metrics.
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Streaming Service Client Consumer Metrics.
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Streaming Service Client Producer Metrics.
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TaskNum records the number of tasks of each type.
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Append Related Metrics.
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Txn Related Metrics.
WAL WAL metrics.
TimeTick related metrics.
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Scanner Related Metrics.
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Segment related metrics.
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# Structs

RPCStats stores the meta and payload size info it should be attached to context so that request sizing could be avoided.