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RE: Regionserver goes down while endpoint execution - HBase - [mail # user]
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...Saurabh, Try reading this http://hbtc2012.hadooper.cn/subject/track4Anoop%20Sam%20John2.pdf -Anoop- ________________________________________ F...
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Author: Anoop Sam John,
2013-04-02, 06:51
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RE: Truncate hbase table based on column family - HBase - [mail # user]
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...varaprasad Pls see HBaseAdmin#deleteColumn().. You should disable the table before making an schema changes and enable back after that. -Anoop- ________...
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Author: Anoop Sam John,
2013-03-26, 09:16
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RE: Compaction problem - HBase - [mail # user]
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...@tarang As per 4G max heap size, you will get by deafult 1.4G total memory for all the memstores (5/6 regions).. By default you will get 35% of the heap size for memstore. Is your proc...
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Author: Anoop Sam John,
2013-03-26, 09:08
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RE: Getting less write throughput due to more number of columns - HBase - [mail # user]
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...When the number of columns (qualifiers) are more yes it can impact the performance. In HBase every where the storage will be in terms of KVs. The key will be some thing like rowkey+cfname+co...
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Author: Anoop Sam John,
2013-03-26, 06:28
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RE: Regionserver goes down while endpoint execution - HBase - [mail # user]
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...Deepak When you say 1000 invocations, you mean you are having a put(List) with 1000 items? In the region level when it deals with a batch of Puts, it calls postPut(...
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Author: Anoop Sam John,
2013-03-26, 06:20
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[HBASE-7869] Provide way to not start LogSyncer thread - HBase - [issue]
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...In our usecase we want all the Mutations on all the tables to be immediately written and synced to WAL. We dont want the LogSyncer thread to be running in such a case.In minbatch operation w...
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http://issues.apache.org/jira/browse/HBASE-7869
Author: Anoop Sam John,
2013-03-23, 04:53
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RE: Regionserver goes down while endpoint execution - HBase - [mail # user]
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...What is this doing? HbaseTableAccess.getInstance().connectTable(tableName); Can you take a look at HTablePool? -Anoop- __________________________...
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Author: Anoop Sam John,
2013-03-20, 12:58
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RE: Regionserver goes down while endpoint execution - HBase - [mail # user]
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...Hi Deepak Yes Ram told it correctly regarding the thread safety issue with HTable. I can see you issue HTab...
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Author: Anoop Sam John,
2013-03-20, 08:36
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RE: NameNode of Hadoop Crash? - HBase - [mail # user]
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...Can you ask this question in HDFS user group pls? -Anoop- ________________________________________ From: bhushan.kandalkar [[EMAIL PROTECTED]] Sent: Monday, March 18, 2013 12:29 PM To:...
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Author: Anoop Sam John,
2013-03-19, 03:03
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[HBASE-7984] Use contains(byte[],byte[]) API added into org.apache.hadoop.hbase.util.Bytes at HTable#isValidMetaTableRow() - HBase - [issue]
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http://issues.apache.org/jira/browse/HBASE-7984
Author: Anoop Sam John,
2013-03-16, 10:52
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