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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17538) HDFS.setStoragePolicy() logs errors on local fs
Date Sat, 28 Jan 2017 07:05:24 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-17538:
--------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Pushed to master. Addressed [~carp84] comment up in RB on commit (And Happy New Year to you
[~carp84]! I'd like to hear about what that drive was like -- smile)

> HDFS.setStoragePolicy() logs errors on local fs
> -----------------------------------------------
>
>                 Key: HBASE-17538
>                 URL: https://issues.apache.org/jira/browse/HBASE-17538
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Enis Soztutar
>            Assignee: stack
>             Fix For: 2.0.0
>
>         Attachments: 0002-HBASE-17538-HFS.setStoragePolicy-logs-errors-on-loca.patch,
HBASE-17538.master.001.patch, HBASE-17538.master.002.patch, HBASE-17538.master.003.patch
>
>
> On a master pseudo-cluster running on local disk, the log contains a lot of these: 
> {code}
> 2017-01-25 12:30:41,542 WARN  [StoreOpener-32976c3c9b7c28ad632c041da486bfc3-1] fs.HFileSystem:
Failed to set storage policy of [file:/var/folders/h5/bbxg50c12r5bhsd9hf1n9hlr0000gp/T/hbase-enis/hbase/dat
> java.lang.UnsupportedOperationException: Cannot find specified method setStoragePolicy
>   at org.apache.hadoop.hbase.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:209)
>   at org.apache.hadoop.hbase.fs.HFileSystem.setStoragePolicy(HFileSystem.java:161)
>   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>   at java.lang.reflect.Method.invoke(Method.java:497)
>   at org.apache.hadoop.hbase.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:207)
>   at org.apache.hadoop.hbase.regionserver.HRegionFileSystem.setStoragePolicy(HRegionFileSystem.java:198)
>   at org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:237)
>   at org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:5265)
>   at org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:988)
>   at org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:985)
>   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
>   at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>   at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>   at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NoSuchMethodException: org.apache.hadoop.fs.LocalFileSystem.setStoragePolicy(org.apache.hadoop.fs.Path,
java.lang.String)
>   at java.lang.Class.getMethod(Class.java:1786)
>   at org.apache.hadoop.hbase.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:205)
>   ... 17 more
> {code}
> These are coming from HFS.setStoragePolicy() or HRegionFS.setStoragePolicy() . 
> This check: 
> {code}
> try {
>       ReflectionUtils.invokeMethod(this.fs, "setStoragePolicy", storeDir, policyName);
>     } catch (Exception e) {
>       if (!(this.fs instanceof LocalFileSystem)) {
>         LOG.warn("Failed to set storage policy of [" + storeDir + "] to [" + policyName
+ "]", e);
>       }
>     }
> {code} 
> does not work, because fs is not a LocalFS, but an HFS. And HFS internally does not do
this check. seStoragePolicy() is very HDFS specific, the logic should instead check whether
the underlying fs is HDFS (as opposed to checking whether it is not local FS). There are file
systems that HBase supports other than local or HDFS. 



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