mirror of https://github.com/apache/druid.git
74422b58f5
This change is to emit following metrics as part of GroupByStatsMonitor monitor, mergeBuffer/used -> Number of merge buffers used. mergeBuffer/acquisitionTimeNs -> Total time required to acquire merge buffer. mergeBuffer/acquisition -> Number of queries that acquired a batch of merge buffers. groupBy/spilledQueries -> Number of queries that spilled onto the disk. groupBy/spilledBytes-> Spilled bytes on the disk. groupBy/mergeDictionarySize -> Size of the merging dictionary. |
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