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Re: Failed recovery after master/tservers IP chages - Accumulo - [mail # user]
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...Hadoop has some weird DNS/Reverse DNS lookup requirements. My guess would be that Hadoop is bonking. Sent from my iPhone On Sep 23, 2012, at 11:07 AM, Kristopher Kane wrote...
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Author: Jim Klucar,
2012-09-23, 16:59
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Re: EXTERNAL: Re: Failing Tablet Servers - Accumulo - [mail # user]
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...tejay, Here's a good article about Java using native memory. http://www.ibm.com/developerworks/linux/library/j-nativememory-linux/index.html#how On Fri, Sep 21, 2012 at 10:...
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Author: Jim Klucar,
2012-09-21, 14:40
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Re: EXTERNAL: Re: Failing Tablet Servers - Accumulo - [mail # user]
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...I dont have the code here now, but if you look at the Mutation source there are some memory numbers in there for its buffers. It depends on your key/Value sizes as to how many you can do. I ...
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Author: Jim Klucar,
2012-09-20, 22:56
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Re: EXTERNAL: Re: Failing Tablet Servers - Accumulo - [mail # user]
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...Do you mean AccumuloOutputFormat? Is the map failing or the reduce failing? How many Mutation.put are you doing before a context.write? Too many puts will crash the mutation object. You need...
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Author: Jim Klucar,
2012-09-20, 22:44
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[ACCUMULO-763] Manage table sharding/partitioning within Accumulo - Accumulo - [issue]
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...When ingesting a lot of data into a single table, it is common to include a shard id in the row id to distribute the rows among the tservers. This is so prevalent, I suggest that Accum...
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http://issues.apache.org/jira/browse/ACCUMULO-763
Author: Jim Klucar,
2012-09-13, 13:50
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Re: Non Short Circuit Logic - Accumulo - [mail # dev]
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...Without looking at SystemPermisison.values(), I don't know if John is correct. If he's not, to get a speed improvement via short-circuiting, you'd want to make the null check the first check...
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Author: Jim Klucar,
2012-09-12, 18:04
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What's going on? - Accumulo - [mail # dev]
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...Did Chris get hacked or did somebody lock him in a room with a laptop, a pizza, and case of red bull?...
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Author: Jim Klucar,
2012-09-07, 01:58
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[ACCUMULO-682] Native library compiling fails on OS X 10.7 (Lion) - Accumulo - [issue]
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...The makefiles for building the native libraries require the Java headers (jni.h, etc) The Makefile in src/server/src/main/c++/nativeMap points to /Developer/SDKs/MacOSX10.6.sdk/System/Librar...
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http://issues.apache.org/jira/browse/ACCUMULO-682
Author: Jim Klucar,
2012-09-06, 19:13
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Re: [jira] [Commented] (ACCUMULO-739) Please add dot (.) as a valid character in column visibility tokens - Accumulo - [mail # dev]
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...+1 Dave, a little internationalization support never hurt anyone. Or does it only look at a single byte instead of a character? On Mon, Aug 27, 2012 at 9:04 PM, Dave Marion (JIRA) &nbs...
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Author: Jim Klucar,
2012-08-28, 01:06
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Re: Using Accumulo as input to a MapReduce job frequently hangs due to lost Zookeeper connection - Accumulo - [mail # user]
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...Just shooting from the hip here. Zookeeper maxclientcxns in zoo.cfg should be increased from the default to something like 100. Check the zookeeper log file to see if it is shutting do...
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Author: Jim Klucar,
2012-08-16, 11:22
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