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[ACCUMULO-1216] reconsider using SequenceFiles for the WAL - Accumulo - [issue]
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...Observing the code in HBase we learned that WAL files written/flushed to HDFS would not present the correct file size, which made using SequenceFile for WALs problematic. So we just wr...
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http://issues.apache.org/jira/browse/ACCUMULO-1216
Author: Eric Newton,
2013-04-08, 21:22
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Re: TabletServerMBean - can getTotalMajorCompactions be added? - Accumulo - [mail # dev]
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...You should get able to get the number of major compactions and the number of major compactions that are queued. accumulo.server.metrics -> TServerInfo -> TabletServerMBean -> ...
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Author: Eric Newton,
2013-04-08, 19:41
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Re: Increasing Ingest Rate - Accumulo - [mail # user]
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...Hopefully you are using accumulo 1.4.*3*. A performance issue (ACCUMULO-1062) was found in 1.4.2 when a large number of clients attempted to update a tablet concurrently. -Eric &...
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Author: Eric Newton,
2013-04-08, 13:31
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[ACCUMULO-1179] add zookeeper option to accumulo start script - Accumulo - [issue]
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...It would be nice if this worked:$ ./bin/accumulo zookeeper[zk: localhost:2181(CONNECTED) 0]...
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http://issues.apache.org/jira/browse/ACCUMULO-1179
Author: Eric Newton,
2013-04-06, 01:07
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[ACCUMULO-1239] CheckBalance is ending random walk tests - Accumulo - [issue]
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...CheckBalance ensures that accumulo is maintaining balance during the test. However, balance is always out-of-date when tservers are restarted for some period of time. The check a...
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http://issues.apache.org/jira/browse/ACCUMULO-1239
Author: Eric Newton,
2013-04-06, 01:07
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Re: Accumulo and CDH4 -- "no tablet servers" - Accumulo - [mail # user]
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...CDH4 (aka hadoop 2.0) is only supported in 1.5 (unreleased, but getting to be very stable), and beyond. Are you running the 1.5 branch (or trunk)? -Eric On Fri, Apr ...
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Author: Eric Newton,
2013-04-05, 23:07
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Re: Monitor: Adding graphs for each table and server - Accumulo - [mail # dev]
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...We actually have JMX support. You need to turn it on, though. We should just turn it on by default. Because we don't use the JMX api very much, it may need some improvement...
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Author: Eric Newton,
2013-04-05, 17:34
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[ACCUMULO-1238] unexpected PERMISSION DENIED in random walk test - Accumulo - [issue]
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...This error has happened multiple times.04 02:31:53,606 [randomwalk.Framework] ERROR: Error during random walkjava.lang.Exception: Error running node Concurrent.xml ...
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http://issues.apache.org/jira/browse/ACCUMULO-1238
Author: Eric Newton,
2013-04-05, 17:05
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Re: Monitor: Adding graphs for each table and server - Accumulo - [mail # dev]
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...The monitor provides a quick summary of accumulo stats, a bit of history and the most recent ERROR/WARN log messages. But it's all just kept in memory and only for an hour or so. It is...
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Author: Eric Newton,
2013-04-05, 16:46
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Re: Increasing Ingest Rate - Accumulo - [mail # user]
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...Have you pre-split your tablet to spread the load out to all the machines? Does the data distribution match your splits? Is the ingest data already sorted (that is, it always writes to...
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Author: Eric Newton,
2013-04-04, 18:25
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