PENG Zhengshuai created KYLIN-4030:
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Summary: Resource deleteResource by comparing timestamp may failed
to delete caused by time precision loose
Key: KYLIN-4030
URL: https://issues.apache.org/jira/browse/KYLIN-4030
Project: Kylin
Issue Type: Bug
Reporter: PENG Zhengshuai
Assignee: PENG Zhengshuai
In ResourceStore, the interface `deleteResourceImpl(String resPath, long
timestamp)` maybe failed to delete the resource because the resource timestamp
may lose the precision.
For example, if we use $KYLIN_HOME/bin/metastore.sh to backup from metastore to
Local OS filesystem, and restore from local filesystem to metastore. The
resource timestamp will lose precision in Millis Second.
An example here:
original timestamp: 1559564381
after precision lost: 1559564000
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