Bug #48363: rgw: concurrent object delete can leak bucket index instance entries - rgw - Ceph

Actions

Copy link

Bug #48363

open

rgw: concurrent object delete can leak bucket index instance entries

Added by Yehuda Sadeh over 3 years ago. Updated over 3 years ago.

Status:

New

Priority:

Normal

Assignee:

Yehuda Sadeh

Target version:

% Done:

Source:

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

ceph-qa-suite:

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

This happens when there are concurrent operations, where at least one succeeds, whereas at least another one is cancelled. Likely to also affect non-versioned objects, though cancellation might not happen as frequently there.
The bucket index entry will not be removed when the bucket index complete arrives, because of the pending entries. If the last pending entry remaining is cancelled (vs. completed), the entry will not be removed. With versioned objects it will only happen with instance entries that aren't part of the bucket listing. Non-versioned object entries won't show in listing either as they are marked with exists=false.