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https://issues.apache.org/jira/browse/ZOOKEEPER-1423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14617558#comment-14617558
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Raul Gutierrez Segales commented on ZOOKEEPER-1423:
---------------------------------------------------

Thanks for the patch [~eribeiro]! A few nits:

In:

{code}
+    @Override
+    public long getDataDirSize() {
+        if (zkDb == null) return 0L;
+        File path = zkDb.snapLog.getDataDir();
+        return getDirSize(path);
+    }
+
+    @Override
+    public long getLogDirSize() {
{code}

please use {} for if statements, even the body only has 1 statement. I.e.:

{code}
+    public long getDataDirSize() {
+        if (zkDb == null) {
+          return 0L;
+        }
+        File path = zkDb.snapLog.getDataDir();
+        return getDirSize(path);
+    }
{code}

Ditto for getLogDirSize(). Other than, lgtm. Will do one more pass after the 
nits are addressed - thanks!



> 4lw and jmx should expose the size of the datadir/datalogdir
> ------------------------------------------------------------
>
>                 Key: ZOOKEEPER-1423
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1423
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: jmx
>    Affects Versions: 3.5.0
>            Reporter: Patrick Hunt
>            Assignee: Edward Ribeiro
>              Labels: newbie
>         Attachments: ZOOKEEPER-1423.2.patch, ZOOKEEPER-1423.3.patch, 
> ZOOKEEPER-1423.4.patch, ZOOKEEPER-1423.patch
>
>
> There are no metrics currently available on the size of the 
> datadir/datalogdir. These grow w/o bound unless the cleanup script is run. It 
> would be good to expose these metrics through jmx/4lw such that monitoring 
> can be done on the size. Would key ppl in on whether cleanup was actually 
> running. In particular this could be monitored/alerted on by third party 
> systems (nagios, ganglia and the like).



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