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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-3392) Add admin command to display last snapshot information
Date Mon, 27 May 2019 12:46:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-3392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848909#comment-16848909
] 

Hudson commented on ZOOKEEPER-3392:
-----------------------------------

SUCCESS: Integrated in Jenkins build Zookeeper-trunk-single-thread #375 (See [https://builds.apache.org/job/Zookeeper-trunk-single-thread/375/])
ZOOKEEPER-3392: Add admin command to display last snapshot information (nkalmar: rev ea8536982c39fd1127a4e6e7a8229b64a5798447)
* (edit) zookeeper-server/src/test/java/org/apache/zookeeper/server/admin/CommandsTest.java
* (add) zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/SnapshotInfo.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/SnapShot.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileSnap.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnSnapLog.java
* (edit) zookeeper-server/src/main/java/org/apache/zookeeper/server/admin/Commands.java


> Add admin command to display last snapshot information
> ------------------------------------------------------
>
>                 Key: ZOOKEEPER-3392
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3392
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server
>    Affects Versions: 3.6.0
>            Reporter: Brian Nixon
>            Priority: Trivial
>              Labels: pull-request-available
>             Fix For: 3.6.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> Basic systems to backup ZooKeeper data will maintain snapshot files of the data tree.
In order to understand the health of these systems, they need a way to determine how in or
out of date their files are to the current state in the ensemble.
> Add an admin command that exposes the zxid and timestamp of the last saved/restored snapshot
of the server. This will let such a backup system know when it can update and when it is stale.



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