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Re: dfs.replication - HBase - [mail # user]
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...Thanks, it is in the classpath after all. I was looking at the "ps" output which was truncated, "hbase classpath" revealed the full classpath. On Dec 12, 2012, at 11:47 AM, Jean-Daniel...
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Author: Bryan Keller,
2012-12-12, 20:28
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dfs.replication - HBase - [mail # user]
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...I noticed in some of the documentation that it states to add the Hadoop config directory to the HBase classpath if you want HBase to use any DFS client settings, like dfs.replication. Is thi...
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Author: Bryan Keller,
2012-12-12, 19:32
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[HBASE-3792] TableInputFormat leaks ZK connections - HBase - [issue]
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...The TableInputFormat creates an HTable using a new Configuration object, and it never cleans it up. When running a Mapper, the TableInputFormat is instantiated and the ZK connection is creat...
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http://issues.apache.org/jira/browse/HBASE-3792
Author: Bryan Keller,
2012-09-13, 23:08
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Re: Poor data locality of MR job - HBase - [mail # user]
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...I see what you mean about block locality, that is at the regionserver level, transparent to the MR job. This doesn't happen only to the final mappers, some of the early mappers a...
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Author: Bryan Keller,
2012-08-02, 21:56
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Re: Region balancing question - HBase - [mail # user]
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...I'm using 0.92 (Cloudera CDH4). Yes I definitely do not want to balance all regions across all tables together, as some tables are much more active than others and thus some regi...
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Author: Bryan Keller,
2012-08-02, 17:20
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Re: Poor data locality of MR job - HBase - [mail # user]
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...I presplit the table. The regionservers have gone down on occassion but have been up for a while (weeks). How could that result in having no regions on one node? On Aug 1,...
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Author: Bryan Keller,
2012-08-02, 17:15
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Poor data locality of MR job - HBase - [mail # user]
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...I have an 8 node cluster and a table that is pretty well balanced with on average 36 regions/node. When I run a mapreduce job on the cluster against this table, the data locality...
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Author: Bryan Keller,
2012-08-02, 06:31
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Region balancing question - HBase - [mail # user]
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...I have a table on a 4 node test cluster. I also have some other tables on the cluster. The table in question has a total of 12 regions. I noticed that 1 node has 6 regions, anoth...
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Author: Bryan Keller,
2012-08-02, 06:07
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Re: Leap second bug - HBase - [mail # user]
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...We were also caught by this - we're running CentOS 6. Likewise, once we reset the date/time, HBase was happy again. I wonder why Java processes seemed to be affected more than ot...
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Author: Bryan Keller,
2012-07-02, 17:47
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WAL corruption - HBase - [mail # user]
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...During an upgrade of my cluster to 0.90 to 0.92 over the weekend, the WAL (files in the /hbase/.logs directory) was corrupted and it prevented HBase from starting up. The exact e...
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Author: Bryan Keller,
2012-07-02, 17:37
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