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https://issues.apache.org/jira/browse/ACCUMULO-868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532487#comment-13532487
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Keith Turner commented on ACCUMULO-868:
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bq. What do we do for the logs directory? Can we put the cache dir inside the
logs dir?
The default for walogs and logs is $ACCUMULO_HOME. User are encouraged to
change both. Another problem I have seen with ACCUMULO_HOME is its on NFS
sometimes, which is not good for logs or cache. System tmp dir will be local
and writable. I share your concern about tmp filling up, I have seen this
happen and when tmp dir is in OS partition it can be a disaster. So I think
tmp has the best chance of working out of the box for a new user, but could
cause problems in the long term on production systems.
We could put the property in the example config (like walog config),
encouraging user to set it to something appropriate for their system. Default
it system tmp so it works out of the box for new users, but make system admins
cognizant of this config for production systems. Comment in the example config
should point out that this propery only matters if using vfs classloader.
> Explore configuring vfs cache
> -----------------------------
>
> Key: ACCUMULO-868
> URL: https://issues.apache.org/jira/browse/ACCUMULO-868
> Project: Accumulo
> Issue Type: Sub-task
> Components: start
> Reporter: Keith Turner
> Assignee: Dave Marion
> Fix For: 1.5.0
>
> Attachments: ACCUMULO-868-1.patch
>
>
> The current caching of jars is in /tmp and seems to be per process. Can
> this be made to survive process restarts? Similar to rsync.
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