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https://issues.apache.org/jira/browse/FLINK-24785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17706853#comment-17706853
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jinghaihang edited comment on FLINK-24785 at 3/31/23 1:52 AM:
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Hi ,Yun Tang , thanks for your reply.
To be honest，I didn't understand what you mentioned ‘previous location’ mean.
-----------------------------------------------------------------------------------
When my flink version is 1.12，the Rocksdb LOG file can store in my
environment，path is：
/data1/hadoop/yarn/nm-local-dir/usercache/hadoop-xx/appcache/application_1671244879475_67638619
/tm_container_e76_1671244879475_67638619_01_000029/tmp
/job_7ebf314124fad7b7f930921b126e5dde_op_StreamFilter_9dd63673dd41ea021b896d5203f3ba7c_{_}42_100{_}_uuid_3a1d05e9-cb45-4b77-baa8-99d1d1cc77b9/LOG
When my flink version is 1.16, due to this issue feature, i can not find this
LOG file neither in flink log dir nor in above path.
And i find filename exceeds 255 characters problem, so i changed the frocksdb
code, retained the useful part, and the file can appear.
was (Author: assassinj):
Hi ,Yun Tang , thanks for your reply.
To be honest，I didn't understand what you mentioned ‘previous location’ mean.
-----------------------------------------------------------------------------------
When my flink version is 1.12，the Rocksdb LOG file can store in my
environment，path is：
/data1/hadoop/yarn/nm-local-dir/usercache/hadoop-xx/appcache/application_1671244879475_67638619
/tm_container_e76_1671244879475_67638619_01_000029/tmp
/job_7ebf314124fad7b7f930921b126e5dde_op_StreamFilter_9dd63673dd41ea021b896d5203f3ba7c_{_}42_100{_}_uuid_3a1d05e9-cb45-4b77-baa8-99d1d1cc77b9/LOG
When my flink version is 1.16, due to this issue feature, i can not find this
LOG file neither in flink log dir nor in above path.
And i find filename exceeds 255 characters problem, so i changed the frocksdb
code, retained the useful part, and the file can appear.
> Relocate RocksDB's log under flink log directory by default
> -----------------------------------------------------------
>
> Key: FLINK-24785
> URL: https://issues.apache.org/jira/browse/FLINK-24785
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / State Backends
> Reporter: Yun Tang
> Assignee: Nicholas Jiang
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.15.0
>
>
> Previously, RocksDB's log locates at its own DB folder, which makes the
> debuging RocksDB not so easy. We could let RocksDB's log stay in Flink's log
> directory by default.
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