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Get replication and partition count of a topic - Kafka - [mail # user]
...Hi All,I want to get the replication and partition count of a topic. I tried the following piece of code:        java.util.Set topics = new HashSet();   &n...
   Author: Ankit Jain, 2015-01-12, 08:32
HBase data ingestion issue - HBase - [mail # user]
...Hi All,We are getting below error while inserting data into HBase. We are using0.98.3 version of HBase.*Error:*Failed to identify the fs of dir /tmp/test/hbase/lib, ignoredjava.io.IOExceptio...
   Author: Ankit Jain, 2014-12-11, 13:28
Kafka replication factor mode - Kafka - [mail # user]
...Hi All,I have two nodes kafka cluster and using replication factor 2. If both the node is running, then i am able to push data, but if any nodes goes down, then getting exception. I explored...
   Author: Ankit Jain, 2014-12-05, 18:02
Re: Snappy compression not working with HBase 0.98.3 - HBase - [mail # user]
...Hi,Thanks all for reply..We have followed the steps mentioned in HBase book. Also, we have set theHBASE_LIBRARY_PATH into hbase-env.sh configuration file but still gettingthe above error.Reg...
   Author: Ankit Jain, 2014-07-12, 05:12
Kafka 0.8 High level consumer : Stream Iterator is blocking - Kafka - [mail # user]
...Hi all,I have a Kafka 0.8 cluster of two nodes on same machine with 4 partitions and communicating through a single zookeeper.I am producing data using the Kafka Producer using the following...
   Author: Ankit Jain, 2013-07-11, 06:56
[expand - 2 more] - Re: HBase Multiget taking more time - HBase - [mail # user]
...Hi Jean-Marc,  Below is the GC logs:  2013-06-25T17:54:03.408+0530: 81287.747: [GC [PSYoungGen: 107898K->11598K(112896K)] 917679K->842276K(1117696K), 0.0055720 secs] [Times: ...
   Author: Ankit Jain, 2013-06-25, 16:25
[expand - 2 more] - Re: 答复: HBase random read performance - HBase - [mail # user]
...Hi Liang,  Thanks Liang for reply..  Ans1: I tried by using HFile block size of 32 KB and bloom filter is enabled. The random read performance is 10000 records in 23 secs.  An...
   Author: Ankit Jain, 2013-04-15, 13:04
Kafka log retentions - Kafka - [mail # user]
...Hi All,Once the message is consumed by consumer, we want it to delete from messagebroker as well.I was exploring the kafka configuration, but not sure which configurationwould full my need.G...
   Author: Ankit Jain, 2013-04-01, 19:44
Getting less write throughput due to more number of columns - HBase - [mail # user]
...Hi All,  I am writing a records into HBase. I ran the performance test on following two cases:  Set1: Input record contains 26 columns and record size is 2Kb.  Set2: Input rec...
   Author: Ankit Jain, 2013-03-25, 16:49
Re: Can you help with this error ...No privilege 'Create' found for outputs {..... - Hive - [mail # user]
...Hi,  set hive.security.authorization.enabled property false in hive-default.xml  Thanks, Ankit  On Fri, Feb 3, 2012 at 11:38 AM, Ronak Bhatt  wrote:  ...
   Author: Ankit Jain, 2012-02-03, 06:11
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB