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https://issues.apache.org/jira/browse/ZOOKEEPER-1962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15446770#comment-15446770
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Enis Soztutar commented on ZOOKEEPER-1962:
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bq. However, listSubTreeBFS would buffer entire tree starting from the pathRoot
passed in, so it's likely running into memory issues for large snapshot. I
think what's mentioned earlier by Enis would work, and it preserves both the
order properties (we buffer children of each node while doing dfs
Indeed. We can do a DFS with pre-order printing.
> Add a CLI command to recursively list a znode and children
> ----------------------------------------------------------
>
> Key: ZOOKEEPER-1962
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1962
> Project: ZooKeeper
> Issue Type: New Feature
> Components: java client
> Affects Versions: 3.4.6
> Reporter: Gautam Gopalakrishnan
> Assignee: Gautam Gopalakrishnan
> Priority: Minor
> Fix For: 3.5.3, 3.6.0
>
> Attachments: ZOOKEEPER-1962.diff, ZOOKEEPER-1962_v2.patch,
> ZOOKEEPER-1962_v3.patch, ZOOKEEPER-1962_v4.patch
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> When troubleshooting applications where znodes can be multiple levels deep
> (eg. HBase replication), it is handy to see all child znodes recursively
> rather than run an ls for each node manually.
> So I propose adding an option to the "ls" command (-r) which will list all
> child nodes under a given znode.
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