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Re: tech. talk at imageshack/yfrog - HBase - [mail # user]
...AFAIK, there was no recording of the talk.  -jack  On Fri, Jul 1, 2011 at 9:06 AM, Dave Viner  wrote: there ,...
   Author: Jack Levin, 2011-07-01, 21:10
Re: exporting from hbase as text (tsv) - HBase - [mail # user]
...Yes, shell could launch MR jobs;  I bet a lot of people will find this feature very useful.  -Jack  On Tue, Jun 7, 2011 at 11:32 AM, Joey Echeverria  wrote:...
   Author: Jack Levin, 2011-06-07, 18:35
Re: Hbase Hardware requirement - HBase - [mail # user]
...Depends on the load.  We have huge cluster running, 4 x 2 TB disks, Core 2 Duo 2.5 Ghz, 8 GB RAM, with 60 nodes, using it mostly for binary cold storage of photos, with very low access ...
   Author: Jack Levin, 2011-06-07, 17:17
Re: mslab enabled jvm crash - HBase - [mail # user]
...We have two production clusters, and we don't on either. We also have days and days worth of no CMF reported.  Here is my config that works great for us:  export HBASE_OPTS="$HBASE...
   Author: Jack Levin, 2011-06-06, 23:19
Re: feature request (count) - HBase - [mail # user]
..."Each HFile knows how many KV entries there are in it, but this does not map in a general way to the number of rows, or the number of rows with a specific column."  It would be nice to ...
   Author: Jack Levin, 2011-06-03, 22:40
Re: 0.90.3 - HBase - [mail # user]
...like  19:09:23 208.94.1.52 jack@zero:~ $ host 38.99.76.204 204.76.99.38.in-addr.arpa domain name pointer img646.imageshack.us. 19:10:26 208.94.1.52 jack@zero:~ $  This is the name ...
   Author: Jack Levin, 2011-05-25, 02:11
Re: hbase master retries to RS/DN - HBase - [mail # user]
...I am pretty sure this is related to https://issues.apache.org/jira/browse/HBASE-3285, a datanode is dead, but master tries to create a pipeline to it, when splitting logs.  I will be up...
   Author: Jack Levin, 2011-05-21, 19:22
Re: GC and High CPU - HBase - [mail # user]
...so far its going well, no more crazy GC, while load remains the same.   2011-05-18T11:01:53.149-0700: 52288.388: [CMS-concurrent-preclean: 5.764/216.720 secs] [Times: user=103.71 sys=15...
   Author: Jack Levin, 2011-05-19, 22:46
Re: Performance degrades on moving from desktop to blade environment - HBase - [mail # user]
...Himanish, it hard to say without trend graphs.  Setup ganglia and get fsreadlatancy, as well as thread count graphs to see what the issue might be.  -Jack  On Thu, May 19, 201...
   Author: Jack Levin, 2011-05-19, 18:50
Re: Pagination through families / columns? - HBase - [mail # user]
...When we change versions to 1 from 3 on hbase table schema, things appear work right.  -Jack  On Mon, May 16, 2011 at 12:14 PM, Jean-Daniel Cryans  wrote: ly hack up the thrift...
   Author: Jack Levin, 2011-05-16, 19:23
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