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Merge pull request #9210 from Felixoid/profiling_docs

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Add description for some profiling events
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alexey-milovidov 2020-02-19 11:55:52 +03:00 committed by GitHub
commit ebf4f98a0c
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10
dbms/src/Common/ProfileEvents.cpp
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@ -20,9 +20,9 @@
M(ReadBufferAIOReadBytes, "") \
M(WriteBufferAIOWrite, "") \
M(WriteBufferAIOWriteBytes, "") \
M(ReadCompressedBytes, "") \
M(CompressedReadBufferBlocks, "") \
M(CompressedReadBufferBytes, "") \
M(ReadCompressedBytes, "Number of bytes (the number of bytes before decompression) read from compressed sources (files, network).") \
M(CompressedReadBufferBlocks, "Number of compressed blocks (the blocks of data that are compressed independent of each other) read from compressed sources (files, network).") \
M(CompressedReadBufferBytes, "Number of uncompressed bytes (the number of bytes after decompression) read from compressed sources (files, network).") \
M(UncompressedCacheHits, "") \
M(UncompressedCacheMisses, "") \
M(UncompressedCacheWeightLost, "") \
@ -51,9 +51,9 @@
M(QueryMaskingRulesMatch, "Number of times query masking rules was successfully matched.") \
\
M(ReplicatedPartFetches, "Number of times a data part was downloaded from replica of a ReplicatedMergeTree table.") \
M(ReplicatedPartFailedFetches, "") \
M(ReplicatedPartFailedFetches, "Number of times a data part was failed to download from replica of a ReplicatedMergeTree table.") \
M(ObsoleteReplicatedParts, "") \
M(ReplicatedPartMerges, "") \
M(ReplicatedPartMerges, "Number of times data parts of ReplicatedMergeTree tables were successfully merged.") \
M(ReplicatedPartFetchesOfMerged, "Number of times we prefer to download already merged part from replica of ReplicatedMergeTree table instead of performing a merge ourself (usually we prefer doing a merge ourself to save network traffic). This happens when we have not all source parts to perform a merge or when the data part is old enough.") \
M(ReplicatedPartMutations, "") \
M(ReplicatedPartChecks, "") \