Sumit Agrawal created HDDS-8599:
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Summary: [snapshot] performance impact for key & directory
deleting service
Key: HDDS-8599
URL: https://issues.apache.org/jira/browse/HDDS-8599
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Sumit Agrawal
Scenario:
# Huge number of keys and directories are created in bucket (FSO)
# Snapshot is taken for the bucket
# Recursive delete of keys and directory
# keys and directories are added to deletedTable and deletedDirectoryTable
KeyDeletingService:
* iterator all keys in deleted Table
** if keys are present in snapshot, its skipped
** else added for blockGroupList for deletion
DirectoryDeletingService:
* iterator all directory in deleted directory table
** if directory is present in snapshot, its skipped
** else perform further action for deletion
So if number of keys and directory are huge, it will keep iterating always to
get candidate keys/directory for deletion.
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