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Posted to issues@hbase.apache.org by "Zhang Jingpeng (JIRA)" <ji...@apache.org> on 2014/07/15 12:07:04 UTC
[jira] [Commented] (HBASE-11518) doc update for how to create
non-shared HConnection
[ https://issues.apache.org/jira/browse/HBASE-11518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061906#comment-14061906 ]
Zhang Jingpeng commented on HBASE-11518:
----------------------------------------
for creation non-shared connections ,why not use " new Configuration() " ?
> doc update for how to create non-shared HConnection
> ---------------------------------------------------
>
> Key: HBASE-11518
> URL: https://issues.apache.org/jira/browse/HBASE-11518
> Project: HBase
> Issue Type: Bug
> Components: documentation
> Affects Versions: 0.94.21, 0.98.4
> Reporter: Qiang Tian
> Assignee: Qiang Tian
> Priority: Minor
> Attachments: hbase-11518-master.patch
>
>
> creation for non-shared connections has changed since hbase-3777, but the doc still remains the same...
> a simple test program:
> public class testHbase2{
> public static void main(String[] args) throws Exception {
> Configuration conf = HBaseConfiguration.create();
> conf.set("hbase.zookeeper.quorum","localhost");
> conf.set("hbase.zookeeper.property.clientPort", "2181");
> conf.set("hbase.client.instance.id", "2");
> HBaseAdmin admin = new HBaseAdmin(conf);
> conf.set("hbase.client.instance.id", "3");
> HBaseAdmin admin2 = new HBaseAdmin(conf);
> }
> }
> public static HConnection getConnection(final Configuration conf)
> throws IOException {
> HConnectionKey connectionKey = new HConnectionKey(conf);
> LOG.info("###create new connectionkey: " + connectionKey);
> synchronized (CONNECTION_INSTANCES) {
> 14/07/15 18:06:08 INFO client.HConnectionManager: ###create new connectionkey: HConnectionKey{properties={hbase.rpc.timeout=600000, hbase.client.instance.id=2, hbase.zookeeper.quorum=localhost, hbase.client.pause=100, hbase.zookeeper.property.clientPort=2181, zookeeper.znode.parent=/hbase, hbase.client.retries.number=35}, username='tianq'}
> 14/07/15 18:06:08 INFO client.HConnectionManager: ###create new connection###
> 14/07/15 18:06:08 INFO zookeeper.RecoverableZooKeeper: Process identifier=hconnection-0x3d7c3d7c connecting to ZooKeeper ensemble=localhost:2181
> 14/07/15 18:06:09 INFO client.HConnectionManager: ###create new connectionkey: HConnectionKey{properties={hbase.rpc.timeout=600000, hbase.client.instance.id=3, hbase.zookeeper.quorum=localhost, hbase.client.pause=100, hbase.zookeeper.property.clientPort=2181, zookeeper.znode.parent=/hbase, hbase.client.retries.number=35}, username='tianq'}
> 14/07/15 18:06:09 INFO client.HConnectionManager: ###create new connection###
> 14/07/15 18:06:09 INFO zookeeper.RecoverableZooKeeper: Process identifier=hconnection-0xd460d46 connecting to ZooKeeper ensemble=localhost:2181
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