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https://issues.apache.org/jira/browse/HBASE-19531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16294220#comment-16294220
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Chia-Ping Tsai commented on HBASE-19531:
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bq. May u assign to me?
done
> Remove needless volatile declaration
> ------------------------------------
>
> Key: HBASE-19531
> URL: https://issues.apache.org/jira/browse/HBASE-19531
> Project: HBase
> Issue Type: Improvement
> Reporter: Chia-Ping Tsai
> Assignee: Yun-Chi Shih
> Priority: Trivial
> Labels: beginner
> Fix For: 2.0.0
>
>
> {code:title=ZKNamespaceManager.java}
> public class ZKNamespaceManager extends ZKListener {
> private static final Log LOG = LogFactory.getLog(ZKNamespaceManager.class);
> private final String nsZNode;
> private volatile NavigableMap<String,NamespaceDescriptor> cache; //here
> {code}
> {code:title=HBaseAdmin.java}
> public class HBaseAdmin implements Admin {
> private static final Log LOG = LogFactory.getLog(HBaseAdmin.class);
> private ClusterConnection connection;
> private volatile Configuration conf; //here
> {code}
> {code:title=BufferedMutatorImpl.java}
> public class BufferedMutatorImpl implements BufferedMutator {
> private static final Log LOG = LogFactory.getLog(BufferedMutatorImpl.class);
> private final ExceptionListener listener;
> private final TableName tableName;
> private final Configuration conf;
> private final ConcurrentLinkedQueue<Mutation> writeAsyncBuffer = new
> ConcurrentLinkedQueue<>();
> private final AtomicLong currentWriteBufferSize = new AtomicLong(0);
> /**
> * Count the size of {@link BufferedMutatorImpl#writeAsyncBuffer}.
> * The {@link ConcurrentLinkedQueue#size()} is NOT a constant-time
> operation.
> */
> private final AtomicInteger undealtMutationCount = new AtomicInteger(0);
> private volatile long writeBufferSize; //here
> {code}
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