About tyu

tyu · ‎09-06-2016

For HDP 2.3 (Apache 1.1.2), ./hbase-common/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java calls HeapMemorySizeUtil.checkForClusterFreeMemoryLimit(conf); There is no HBaseConfiguration.checkForClusterFreeMemoryLimit Can you double check your classpath to see which hbase related jars are present. Please pastebin those jars Thanks

tyu · ‎09-06-2016

Which version of hbase is used by nutch ? Thanks

tyu · ‎09-06-2016

Please check the value of hbase.regionserver.global.memstore.upperLimit

tyu · ‎09-03-2016

Which user did you use to run the code ? What's the output of the following command ? klist -kt /etc/security/keytabs/hbase.service.keytab Normally hbase.service.keytab should be used by user 'hbase'. Please illustrate your use case in more detail. Please take a look at hbase-common/src/main/java/org/apache/hadoop/hbase/AuthUtil.java

tyu · ‎09-02-2016

Pig doesn't support creating hbase table. Please pre-create table in hbase.

tyu · ‎09-01-2016

We need more of the master log beyond what tail showed us. Please attach master log.

tyu · ‎09-01-2016

I checked zookeeper.znode.parent which shows /hbase-secure Are you able to browse master UI ? If so, try using hbase shell next. You may want to check the following line to make sure that path to hbase-site.xml is correct: String hbaseSitepath ="hbase-site.xml";

tyu · ‎09-01-2016

Can you attach the master log so that we can better help you ? You can add hbase.master.namespace.init.timeout to hbase-site.xml by using Ambari. Still, finding the root cause is desirable.

tyu · ‎09-01-2016

@dengke li Can you attach master log ? You should find it under /grid/0/log/hbase/ Consider increasing hbase.master.namespace.init.timeout Default is 300000 ms

tyu · ‎09-01-2016

Which version of hbase do you deploy ? thrift version used by hbase is likely 0.9.3 Does Hue use compatible thrift version ? Can you post the whole stack trace ? Thanks

tyu · ‎08-30-2016

NoRouteToHostException occurred in both region server and node manager logs. Please check network connectivity.

tyu · ‎08-30-2016

w.r.t. AWS instance check failure, have you looked at http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/TroubleshootingInstances.html

tyu · ‎08-29-2016

Zack: Can you check other regions which failed to open (such as a97029c18889b3b3168d11f910ef04ae ) ?

tyu · ‎08-29-2016

Zack: You can use hfile tool to inspect: MY_BROKEN_TABLE/8a444fa1979524e97eb002ce8aa2d7aa/0/4f9a5c26ddb0413aa4eb64a869ab4a2c http://hbase.apache.org/book.html#hfile_tool

tyu · ‎08-29-2016

'hbase.master.logcleaner.plugins' is not overridden in hbase-site.xml Need to investigate further.

tyu · ‎08-26-2016

Snippet from master log: http://pastebin.com/4iv5YKEQ Here is related code: String plugins = conf.get(HBASE_MASTER_LOGCLEANER_PLUGINS); Looks like the value for "hbase.master.logcleaner.plugins" was null - default should be org.apache.hadoop.hbase.master.cleaner.TimeToLiveLogCleaner Can you attach hbase-site.xml ? Thanks

tyu · ‎08-26-2016

@Christophe: Are you able to access hbase through hbase shell ? As Ankit said, check master log.

tyu · ‎08-22-2016

I have sent an email to Roshan who is more familiar with Flume component.

tyu · ‎08-22-2016

Here is the code in HBaseSink.java: if (r instanceof Put) { ((Put) r).setWriteToWAL(enableWal); Here is code in Put.java of HDP 2.3: public Put setWriteToWAL(boolean write) { return (Put) super.setWriteToWAL(write); In pom.xml of Flume in HDP 2.3: <hbaseversion>0.94.2</hbaseversion> Planning to raise an internal JIRA for this incompatibility.

tyu · ‎08-22-2016

For #2, this is currently not possible. You need to upgrade the whole stack.

tyu · ‎08-18-2016

The installation is controlled by the rpm packages. It is hard coded to /usr/hdp

tyu · ‎08-17-2016

Can you provide more information (attaching region server log) ? Load balancer wouldn't create new region.

tyu · ‎08-16-2016

Please take a look at: https://issues.apache.org/jira/browse/SQOOP-2649 There has not been much activity lately.

tyu · ‎08-11-2016

Please take a look at: http://hbase.apache.org/book.html#_server_side_configuration_for_simple_user_access_operation You can give write permission to this one user: http://hbase.apache.org/book.html#_administration

tyu · ‎08-11-2016

bq. Have column families for timestamp Each KeyValue would have its own timestamp. Can you clarify the schema some more ?

tyu · ‎08-11-2016

Can you describe your use case in more detail ?

tyu · ‎08-11-2016

Did you mean making certain table read only ? How would initial data be loaded to the underlying table ? Can you describe your use case in more detail ? Potentially you can write custom coprocessor which rejects writes to the underlying table after data is loaded.

tyu · ‎08-11-2016

You bring the region online, hbase> assign 'REGIONNAME' or hbase> assign 'ENCODED_REGIONNAME' then issue: hbase(main):017:0> scan 'test', {RAW=>true, VERSIONS=>1000}

tyu · ‎08-07-2016

Can you list what you saw under /hbase-unsecure ? Please double check hbase-site.xml to see that you're using the correct values in your Java program. Can you inspect master / region server logs to see if there is anything interesting. Pastebin log snippet if you need help.

tyu · ‎08-07-2016

I assume VM running hbase is on the same machine as the client. Have you checked that port 2181 is not blocked by firewall ?

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