Maksim Davydov created IGNITE-24157:
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Summary: WalCdcArchiveSegments persistance metric for CDC workflow
Key: IGNITE-24157
URL: https://issues.apache.org/jira/browse/IGNITE-24157
Project: Ignite
Issue Type: New Feature
Reporter: Maksim Davydov
Assignee: Maksim Davydov
'WalArchiveSegments' metric introduced for WAL archive allows users to monitor
the archive directory to prevent its the potential overflow. But there is no
such thing for CDC WAL archive.
With 'DataStorageConfiguration#cdcWalDirectoryMaxSize()' set to default there
is no limit on the CDC WAL archive size. And in case the CDC clients are
stopped the server node will continiue to flood the directory until there is no
space left on the disk.
With new metric 'CdcWalArchiveSegments' we can track the remaining number of
WAL segments to be processed by CDC clients
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