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RE: EXTERNAL: Re: Failing Tablet Servers - Accumulo - [mail # user]
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...My guess would be that you are building an object several gigabytes in size and Accumulo is copying it. Do you need all of those entries to be applied atomically (in which case you should lo...
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Author: Adam Fuchs,
2012-09-20, 23:21
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Re: tablet server initialization issue - Accumulo - [mail # user]
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...I assume you mean it's listening on 127.0.0.1 on that node? Are you using bin/start-all.sh to launch your cluster? I would guess this is a DNS setup issue on that one machine. Maybe somethin...
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Author: Adam Fuchs,
2012-09-19, 15:00
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Re: Running Accumulo straight from Memory - Accumulo - [mail # user]
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...Yes, the effect of locality groups would be about the same in an in memory system. The only exception would be if you're not using locality groups and are fetching a particular column, the a...
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Author: Adam Fuchs,
2012-09-12, 21:27
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RE: Running Accumulo straight from Memory - Accumulo - [mail # user]
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...Even if you are just using memory, minor and major compactions are important to get compression, handle deletes, get sequential access (cache line efficiency), use iterators, and introduce l...
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Author: Adam Fuchs,
2012-09-12, 20:53
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Re: Intermittent error connecting to Accumulo Instance - Accumulo - [mail # dev]
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...Duane, The INVALID_INSTANCEID message implies that your client is trying to contact a server that thinks the instance id is something else. The 1 out of 5 likelihood probably indicates...
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Author: Adam Fuchs,
2012-09-11, 21:43
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Re: Running Accumulo straight from Memory - Accumulo - [mail # user]
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...Matthew, I don't know of anyone who has done this, but I believe you could: 1. mount a RAM disk 2. point the hdfs core-site.xml fs.default.name property to file:/// 3. point the accumu...
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Author: Adam Fuchs,
2012-09-11, 21:29
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RE: ColumnQualifierFilter - Accumulo - [mail # user]
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...fetchColumn is agglomerative, so if you call it multiple times it will fetch multiple columns. Adam On Sep 10, 2012 6:25 PM, wrote: ...
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Author: Adam Fuchs,
2012-09-10, 23:02
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Re: What's going on? - Accumulo - [mail # dev]
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...+1! Adam On Sep 6, 2012 9:59 PM, "Jim Klucar" wrote: ...
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Author: Adam Fuchs,
2012-09-07, 02:15
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Re: [receivers.SendSpansViaThrift] ERROR: java.net.ConnectException: Connection refused - Accumulo - [mail # user]
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...My guess is that your tracer was listening on 127.0.0.1 and registered that ip address in zookeeper. Other nodes would have had trouble contacting that ip address. Switching to the hostname ...
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Author: Adam Fuchs,
2012-09-05, 17:52
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Re: [receivers.SendSpansViaThrift] ERROR: java.net.ConnectException: Connection refused - Accumulo - [mail # user]
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...Fred, One tracer is fine, and you can set that to be the same as the master node. You also need to set the username and password for the tracer in accumulo-site.xml if you haven't alre...
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Author: Adam Fuchs,
2012-09-05, 17:37
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