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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2019/06/20 16:28:00 UTC
[jira] [Created] (HADOOP-16384) Improve resilience of S3Guard prune
to inconsistent DDB tables
Steve Loughran created HADOOP-16384:
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Summary: Improve resilience of S3Guard prune to inconsistent DDB tables
Key: HADOOP-16384
URL: https://issues.apache.org/jira/browse/HADOOP-16384
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: 3.3.0
Reporter: Steve Loughran
Assignee: Steve Loughran
HADOOP-15183 added detection and rejection of prune updates when the store is inconsistent (i.e. when it tries to update an entry twice in the same operation, the second time with one that is inconsistent with the first)
Now that we can detect this, we should address it. We are lucky here in that my DDB table is currently inconsistent: prune is failing.
Plan
# new test to run in the sequential phase, which does a s3guard prune against the bucket used in tests
# use this to identify/debug the issue
# replicate the problem in the ITestDDBMetastore tests
# decide what to do in this world. Tell the user to run fsck? skip?
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