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Posted to dev@lucene.apache.org by "Erick Erickson (JIRA)" <ji...@apache.org> on 2016/12/29 16:09:58 UTC
[jira] [Commented] (SOLR-9891) bin/solr cannot create an empty
Znode which is useful for chroot
[ https://issues.apache.org/jira/browse/SOLR-9891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15785599#comment-15785599 ]
Erick Erickson commented on SOLR-9891:
--------------------------------------
I implemented this with 'mkroot'. Works on my machine, but still needs someone to take a few minutes and try it on Windows before I can commit it.
> bin/solr cannot create an empty Znode which is useful for chroot
> ----------------------------------------------------------------
>
> Key: SOLR-9891
> URL: https://issues.apache.org/jira/browse/SOLR-9891
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Erick Erickson
> Assignee: Erick Erickson
> Priority: Minor
> Attachments: SOLR-9891.patch
>
>
> This came to my attention just now. To use a different root in Solr, we say this in the ref guide:
> IMPORTANT: If your ZooKeeper connection string uses a chroot, such as localhost:2181/solr, then you need to bootstrap the /solr znode before launching SolrCloud using the bin/solr script. To do this, you need to use the zkcli.sh script shipped with Solr, such as:
> server/scripts/cloud-scripts/zkcli.sh -zkhost localhost:2181/solr -cmd bootstrap -solrhome server/solr
> I think all this really does is create an empty /solr ZNode. We're trying to move the common usages of the zkcli scripts to bin/solr so I tried making this work.
> It's clumsy. If I try to copy up an empty directory to /solr nothing happens. I got it to work by copying file:README.txt to zk:/solr/nonsense then delete zk:/solr/nonsense. Ugly.
> I don't want to get into reproducing the whole Unix shell file manipulation commands with mkdir, touch, etc.
> I guess we already have special 'upconfig' and 'downconfig' commands, so maybe a specific command for this like 'mkroot' would be OK. Do people have opinions about this as opposed to 'mkdir'? I'm tending to mkdir.
> Or have the cp command handle empty directories, but mkroot/mkdir seems more intuitive if not as generic.
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