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Metric Name

Description

Type

Tagged

Unit

Update at

lastCommitDuration

The time it took to complete the last commit.

Gauge

none

Ms

Timer starts before commit starting, update commit duration after the last commit finished.

commitDuration

Distributions of the time taken by the last few commits.

Histogram

none

Ms

Timer starts before commit starting, update commit duration after each commit finished.

lastCommitAttempts

The number of attempts the last commit made.

Gauge

none

Number

Increment by 1 when trying to commit once, clear the counter after the last commit finished.

lastTableFilesAdded

Number of added table files in last commit, including newly created data files and compacted after.

Gauge

Partition, Bucket

Number

Collecting changes from committables

lastTableFilesDeleted

Number of deleted table files in last commit, which comes from compacted before.

Gauge

Partition, Bucket

Number

Collecting changes from committables

lastTableFilesAppended

Number of appended table files in last commit, which means the newly created data files.

Gauge

Partition, Bucket

Number

Collecting changes from committables

lastTableFilesCommitCompated

Number of compacted table files in last commit, including compacted before and after.

Gauge

Partition, Bucket

Number

Collecting changes from committables

lastChangelogFilesAppended

Number of appended changelog files in last commit

Gauge

Partition, Bucket

Number

Collecting changes from committables

lastChangelogFileCommitCompacted

Number of compacted changelog files in last commit

Gauge

Partition, Bucket

Number

Collecting changes from committables

totalTablesFiles

Number of total data files currently maintained on storage.

Counter

none

Number

Collecting changes from committables

totalChangelogFiles

Number of total changelog files currently maintained on storage.

Counter

none

Number

Collecting changes from committables

lastGeneratedSnapshots

Number of snapshot files generated in last commit, maybe 1 snapshot or 2 snapshots.

Gauge

none

Number

After collecting changes from committables

totalSnapshots

Number of currently retained total snapshots.

Gauge

none

Number

When trying to commit, the counter will increment by the number of snapshots generated

When expiring snapshots, the counter will decrement by the number of expiring snapshots.

lastDeltaRecordsAppended

Delta records count in last commit with APPEND commit kind

Gauge

Partition, Bucket

Number

Preparing snapshot file with APPEND commit kind

lastChangelogRecordsAppended

Changelog records count in last commit with APPEND commit kind

Gauge

Partition, Bucket

Number

Preparing snapshot file with APPEND commit kind

lastDeltaRecordsCommitCompated

Delta records count in last commit with COMPACT commit kind

Gauge

Partition, Bucket

Number

Preparing snapshot file with COMPACT commit kind

lastChangelogRecordsCommitCompated

Changelog records count in last commit with COMPACT commit kind

Gauge

Partition, Bucket

Number

Preparing snapshot file with COMPACT commit kind

lastPartitionsWritten

Number of partitions written in last commit

Gauge

none

Number

After collecting changes from committables

lastBucketsWritten

Number of buckets written in last commit

Gauge

none

Number

After collecting changes from committables

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