Module metrics

Source

Structs§

CACHE_BYTES
Cache size in bytes.
CACHE_EVICTION
Cache eviction counter, labeled with cache type and eviction reason.
CACHE_HIT
Cache hit counter.
CACHE_MISS
Cache miss counter.
COMPACTION_ELAPSED_TOTAL
Timer of whole compaction task.
COMPACTION_FAILURE_COUNT
Counter of failed compaction task.
COMPACTION_REQUEST_COUNT
Counter of all requested compaction task.
COMPACTION_STAGE_ELAPSED
Timer of different stages in compaction.
FLUSH_BYTES_TOTAL
Histogram of flushed bytes.
FLUSH_ELAPSED
Elapsed time of a flush job.
FLUSH_FAILURE_TOTAL
Counter of scheduled failed flush jobs.
FLUSH_REQUESTS_TOTAL
Counter of scheduled flush requests. Note that the flush scheduler may merge some flush requests.
HANDLE_REQUEST_ELAPSED
Elapsed time to handle requests.
INDEX_APPLY_ELAPSED
Timer of index application.
INDEX_APPLY_MEMORY_USAGE
Gauge of index apply memory usage.
INDEX_CREATE_BYTES_TOTAL
Counter of created index bytes.
INDEX_CREATE_ELAPSED
Timer of index creation.
INDEX_CREATE_MEMORY_USAGE
Gauge of index create memory usage.
INDEX_CREATE_ROWS_TOTAL
Counter of rows indexed.
INDEX_INTERMEDIATE_FLUSH_OP_TOTAL
Counter of flush operations on intermediate files.
INDEX_INTERMEDIATE_READ_BYTES_TOTAL
Counter of read bytes on intermediate files.
INDEX_INTERMEDIATE_READ_OP_TOTAL
Counter of read operations on intermediate files.
INDEX_INTERMEDIATE_SEEK_OP_TOTAL
Counter of seek operations on intermediate files.
INDEX_INTERMEDIATE_WRITE_BYTES_TOTAL
Counter of write bytes on intermediate files.
INDEX_INTERMEDIATE_WRITE_OP_TOTAL
Counter of write operations on intermediate files.
INDEX_IO_BYTES_TOTAL
Counter of r/w bytes on index related IO operations.
INDEX_IO_OP_TOTAL
Counter of r/w operations on index related IO operations, e.g. read, write, seek and flush.
INDEX_PUFFIN_FLUSH_OP_TOTAL
Counter of flush operations on puffin files.
INDEX_PUFFIN_READ_BYTES_TOTAL
Counter of read bytes on puffin files.
INDEX_PUFFIN_READ_OP_TOTAL
Counter of read operations on puffin files.
INDEX_PUFFIN_SEEK_OP_TOTAL
Counter of seek operations on puffin files.
INDEX_PUFFIN_WRITE_BYTES_TOTAL
Counter of write bytes on puffin files.
INDEX_PUFFIN_WRITE_OP_TOTAL
Counter of write operations on puffin files.
INFLIGHT_COMPACTION_COUNT
Gauge for inflight compaction tasks.
INFLIGHT_FLUSH_COUNT
Gauge for inflight compaction tasks.
IN_PROGRESS_SCAN
Number of in-progress scan per partition.
MANIFEST_OP_ELAPSED
Elapsed time of manifest operation. Labeled with “op”.
MEMTABLE_DICT_BYTES
Global memtable dictionary size in bytes.
MERGE_FILTER_ROWS_TOTAL
Counter of filtered rows during merge.
PARTITION_TREE_DATA_BUFFER_FREEZE_STAGE_ELAPSED
Partition tree memtable data buffer freeze metrics
PARTITION_TREE_READ_STAGE_ELAPSED
Partition tree memtable read path metrics
PRECISE_FILTER_ROWS_TOTAL
Counter of filtered rows by precise filter.
READ_BATCHES_RETURN
Histogram for the number of batches returned per query.
READ_ROWS_IN_ROW_GROUP_TOTAL
READ_ROWS_RETURN
Histogram for the number of rows returned per query.
READ_ROWS_TOTAL
Counter of rows read from different source.
READ_ROW_GROUPS_TOTAL
Counter of row groups read.
READ_SST_COUNT
Histogram for the number of SSTs to scan per query.
READ_STAGE_ELAPSED
Timer of different stages in query.
READ_STAGE_FETCH_PAGES
REGION_COUNT
Gauge for open regions in each worker.
REGION_WORKER_HANDLE_WRITE_ELAPSED
StagerMetrics
Stager notifier to collect metrics.
UPLOAD_BYTES_TOTAL
Upload bytes counter.
WRITE_BUFFER_BYTES
Global write buffer size in bytes.
WRITE_CACHE_DOWNLOAD_BYTES_TOTAL
Download bytes counter in the write cache.
WRITE_CACHE_DOWNLOAD_ELAPSED
Timer of the downloading task in the write cache.
WRITE_CACHE_INFLIGHT_DOWNLOAD
Number of inflight download tasks.
WRITE_REJECT_TOTAL
Counter of rejected write requests.
WRITE_ROWS_TOTAL
Counter of rows to write.
WRITE_STAGE_ELAPSED
Elapsed time of each write stage.
WRITE_STALL_TOTAL
Number of stalled write requests in each worker.

Constants§

CACHE_EVICTION_CAUSE 🔒
FILE_TYPE_LABEL
File type label.
FLUSH_REASON
Reason to flush.
PARTITION_LABEL
Partition label.
RECYCLE_TYPE
Recycle bin type label.
STAGE_LABEL
Stage label.
STAGING_TYPE
Staging dir type label.
TYPE_LABEL
Type label.
WORKER_LABEL
Region worker id label.