List of statistics
This page lists all the statistics the WEKA system generates according to their category.
Attribute Cache
Type
Description
Units
GP_GETATTR_CACHE_MISS
Number of general purpose getAttr cache misses per second
Ops/Sec
GP_GETATTR
Number of general purpose getAttr calls per second
Ops/Sec
Block Cache
Type
Description
Units
BUCKET_CACHED_METADATA_BLOCKS
Bucket number of cached metadata blocks
Blocks
BUCKET_CACHED_REGISTRY_L2_BLOCKS
Bucket number of cached registry L2 blocks
Blocks
BUCKET_CACHE_METADATA_HITS
Bucket block cache metadata hits
Queries
BUCKET_CACHE_METADATA_MISSES
Bucket block cache metadata misses
Queries
BUCKET_CACHE_REGISTRY_L2_HITS
Bucket block cache registry L2 hits
Queries
BUCKET_CACHE_REGISTRY_L2_MISSES
Bucket block cache registry L2 misses
Queries
BUCKET_REGISTRY_L2_BLOCKS_NUM
Bucket number of registry L2 blocks
Blocks
Block Writes
Type
Description
Units
BLOCK_FULL_WRITES
Full block writes
Writes
BLOCK_PARTIAL_WRITES
Partial block writes
Writes
Bucket
Type
Description
Units
BUCKET_START_TIME
Startups
BUDGET_UNDERFLOW_BLOCKS
Blocks/Sec
CHOKING_LEVEL_ALL
Throttling level applied on all types of IOs
%
CHOKING_LEVEL_NON_MUTATING
Throttling level applied on non-mutating only types of IOs
%
DESTAGED_BLOCKS_COUNT
Blocks/Sec
DESTAGE_COUNT
Destages/Sec
DIR_MOVE_TIME
Ops
EXTENT_BLOCKS_COUNT
Blocks
FREEABLE_LRU_BUFFERS
Buffers
HASH_BLOCKS_COUNT
Blocks
INODE_BLOCKS_COUNT
Blocks
INODE_REFRESHER_QUEUE_LENGTH
Items
JOURNAL_BLOCKS_COUNT
Blocks
JOURNAL_ITERATIONS
Histogram of number of batches of stripes committed in a single request
READS
Number of read operations per second
Ops/Sec
READ_BYTES
Number of bytes read per second
Bytes/Sec
READ_LATENCY
Average latency of READ operations
Microseconds
REGISTRY_L1_BLOCKS_COUNT
Blocks
REGISTRY_L2_BLOCKS_COUNT
Blocks
REGISTRY_SEARCHES_COUNT
Queries/Sec
RESIDENT_BLOCKS_COUNT
Blocks/Sec
SNAPSHOT_CREATION_TIME
Snaps
SPATIAL_SQUELCH_BLOCKS_COUNT
Blocks
SUCCESSFUL_DATA_WEDGINGS
Attempts/Sec
SUPERBLOCK_BLOCKS_COUNT
Blocks
TAKEOVERS_SUCCESSFUL
Takeover Attempts/Sec
TAKEOVER_ATTEMPTS
Takeover Attempts/Sec
TEMPORAL_SQUELCH_BLOCKS_COUNT
Blocks
UNSUCCESSFUL_DATA_WEDGINGS
Attempts/Sec
USER_DATA_BUFFERS_IN_USE
Buffers
WRITES
Number of write operations per second
Ops/Sec
WRITE_BYTES
Number of byte writes per second
Bytes/Sec
WRITE_LATENCY
Average latency of WRITE operations
Microseconds
Bucket Failovers
Type
Description
Units
BUCKET_FAILOVERS
Amount of times swapping from a remote primary node to a secondary
Failovers
INVALID_BUCKET_TERM
Number of times a remote bucket rejected a request because the term was invalid
Exceptions
REMOTE_BUCKET_IS_SECONDARY
Number of times a remote bucket reported it is secondary and cannot serve us
Exceptions
Bucket Rebalances
Type
Description
Units
BUCKET_INITS
Number of bucket initializations
Times
BUCKET_INIT_LATENCY_HIST
Milliseconds
BUCKET_INIT_LATENCY
Average latency of bucket initialization
Seconds
CPU
Type
Description
Units
CPU_UTILIZATION
Percentage of the CPU time utilized for handling I/Os
%
Choking
Type
Description
Units
CHOKING_LEVEL_ALL
Throttling level applied on all types of IOs, both mutating and non-mutating
CHOKING_LEVEL_NON_MUTATING
Throttling level applied on non-mutating only types of IOs