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https://issues.apache.org/jira/browse/HBASE-15860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wellington Chevreuil updated HBASE-15860:
-----------------------------------------
Status: In Progress (was: Patch Available)
> Improvements for HBASE-14280 - Fixing Bulkload for HDFS HA Clusters
> -------------------------------------------------------------------
>
> Key: HBASE-15860
> URL: https://issues.apache.org/jira/browse/HBASE-15860
> Project: HBase
> Issue Type: Improvement
> Components: util
> Affects Versions: 1.0.0
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Minor
> Attachments: 0001-HBASE-15860.master.002.patch,
> HBASE-15860.master.002.patch, HBASE-15860.master.002.patch, HBASE-15860.patch
>
>
> HBASE-14280 introduced fix for bulkload failures when referring a remote
> cluster name service id if "bulkloading" from a HA cluster.
> HBASE-14280 solution on *FSHDFSUtils.getNNAddresses* was to invoke
> *DFSUtil.getNNServiceRpcAddressesForCluster* instead of
> *DFSUtil.getNNServiceRpcAddresses*. This works for hadoop 2.6 and above.
> Proposed change here is to use "*DFSUtil.getRpcAddressesForNameserviceId*"
> instead, which already returns only addresses for specific nameservice
> informed. This is available since hadoop 2.4.
> Sample proposal on FSHDFSUtils.getNNAddresses:
> ...
> {noformat}
> String nameServiceId = serviceName.split(":")[1];
> if (dfsUtilClazz == null) {
> dfsUtilClazz = Class.forName("org.apache.hadoop.hdfs.DFSUtil");
> }
> if (getNNAddressesMethod == null) {
> getNNAddressesMethod =
> dfsUtilClazz.getMethod("getRpcAddressesForNameserviceId",
> Configuration.class,
> String.class, String.class);
> }
> Map<String, InetSocketAddress> nnMap =
> (Map<String, InetSocketAddress>) getNNAddressesMethod
> .invoke(null, conf, nameServiceId, null);
> for (Map.Entry<String, InetSocketAddress> e2 : nnMap.entrySet()) {
> InetSocketAddress addr = e2.getValue();
> addresses.add(addr);
> }
> ...
> {noformat}
> Will also add test conditions for *FSHDFSUtils.isSameHdfs* to verify scenario
> when multiple name service ids are defined.
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