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https://issues.apache.org/jira/browse/HBASE-6965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475335#comment-13475335
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Ted Yu commented on HBASE-6965:
-------------------------------
Patch looks good.
{code}
+ */
+public class OSMXBean
{code}
Please add annotation (audience and stability) for the new class.
{code}
+ }
+ catch(Exception e) {
{code}
Please place catch on the same line as preceding }.
{code}
+ LOG.warn("Not able to load class or method for
com.sun.managment.UnixOperatingSystemMXBean.", e);
{code}
Line length should be no longer than 100 characters.
> Generic MXBean Utility class to support all JDK vendors
> -------------------------------------------------------
>
> Key: HBASE-6965
> URL: https://issues.apache.org/jira/browse/HBASE-6965
> Project: HBase
> Issue Type: Improvement
> Components: build
> Affects Versions: 0.94.1
> Reporter: Kumar Ravi
> Assignee: Kumar Ravi
> Labels: patch
> Fix For: 0.94.3
>
> Attachments: OSMXBean_HBASE_6965-trunk.patch, pom_HBASE-6965.patch
>
>
> This issue is related to JIRA
> https://issues.apache.org/jira/browse/HBASE-6945. This issue is opened to
> propose the use of a newly created generic
> org.apache.hadoop.hbase.util.OSMXBean class that can be used by other
> classes. JIRA HBASE-6945 contains a patch for the class
> org.apache.hadoop.hbase.ResourceChecker that uses OSMXBean. With the
> inclusion of this new class, HBase can be built and become functional with
> JDKs and JREs other than what is provided by Oracle.
> This class uses reflection to determine the JVM vendor (Sun, IBM) and the
> platform (Linux or Windows), and contains other methods that return the OS
> properties - 1. Number of Open File descriptors; 2. Maximum number of File
> Descriptors.
> This class compiles without any problems with IBM JDK 7, OpenJDK 6 as well
> as Oracle JDK 6. Junit tests (runDevTests category) completed without any
> failures or errors when tested on all the three JDKs.The builds and tests
> were attempted on branch hbase-0.94 Revision 1396305.
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