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Posted to issues@kylin.apache.org by "PENG Zhengshuai (JIRA)" <ji...@apache.org> on 2019/06/03 12:21:00 UTC
[jira] [Updated] (KYLIN-4030) Resource deleteResource by comparing
timestamp may failed to delete caused by time precision loose
[ https://issues.apache.org/jira/browse/KYLIN-4030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
PENG Zhengshuai updated KYLIN-4030:
-----------------------------------
Description:
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
was:
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 $KYLIN_HOME/bin/metastore.sh to backup from metastore to Local OS filesystem, and restore from local filesystem to metastore. The resource timestamp will lose precision in Millis Second.
An example here:
original timestamp: 1559564381
after precision lost: 1559564000
> Resource deleteResource by comparing timestamp may failed to delete caused by time precision loose
> --------------------------------------------------------------------------------------------------
>
> Key: KYLIN-4030
> URL: https://issues.apache.org/jira/browse/KYLIN-4030
> Project: Kylin
> Issue Type: Bug
> Reporter: PENG Zhengshuai
> Assignee: PENG Zhengshuai
> Priority: Minor
>
> In ResourceStore, the interface *deleteResourceImpl(String resPath, long timestamp)* maybe failed to delete the resource because the resource timestamp may lose the precision.
> For example, if we use *$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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