Bug #19961: luminous: rgw: leaked _shadow_ zero size tail objects if whole object size is multiple of rgw_max_chunk_size - rgw - Ceph

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Bug #19961

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luminous: rgw: leaked _shadow_ zero size tail objects if whole object size is multiple of rgw_max_chunk_size

Added by Aleksei Gutikov almost 7 years ago. Updated almost 7 years ago.

Status:

New

Priority:

Normal

Assignee:

Target version:

% Done:

Source:

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

Ceph - v12.1.0

ceph-qa-suite:

rgw

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

If s3 object size is multible of rgw_max_chunk_size
then after deletion and after gc completes
last shadow object with zero size left in data pool.

Reproduce with development cluster:

$ ../src/vstart.sh -k -d -n -x --rgw_num 1

$ s3cmd mb s3://1111

$ s3cmd put ./test8.raw s3://1111/test8-3.raw

$ ./bin/rados ls -p default.rgw.buckets.data
6a10c2e0-d57f-4e33-803c-75d05942eded.4140.1__shadow_.P1JHXrqFV1onSIAchX7NLTySLPDCR1a_2
6a10c2e0-d57f-4e33-803c-75d05942eded.4140.1__shadow_.P1JHXrqFV1onSIAchX7NLTySLPDCR1a_1
6a10c2e0-d57f-4e33-803c-75d05942eded.4140.1_test8-3.raw

$ s3cmd rm s3://1111/test8-3.raw

After gc completes

$ ./bin/rados ls -p default.rgw.buckets.data
6a10c2e0-d57f-4e33-803c-75d05942eded.4140.1__shadow_.P1JHXrqFV1onSIAchX7NLTySLPDCR1a_2