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Re: Disabled automated compaction - table still compacting - HBase - [mail # user]
...Not a silly question:  workload of simultaneous compactions and insertions in the table. No, we haven't run manual compactions on this particular table yet.  /David   On Tue, Jul 9, 2013...
   Author: David Koch, 2013-07-10, 07:19
Effect of region size on compaction performance - HBase - [mail # user]
.... However, I am worried many regions will cause longer overall compactions of the HBase data. Is this the case? I am thinking about extending TableInputFormat to override the 1-map...
   Author: David Koch, 2014-03-23, 01:58
Re: MAX_FILE_SIZE not respected for table - HBase - [mail # user]
...Hi Jean-Marc, Thanks. It's ok now. I thought I had run major_compact from shell but maybe the effect was not immediate. /David On Tue, Feb 11, 2014 at 12:17 AM, Jean-Marc Spaggiari...
   Author: David Koch, 2014-02-12, 10:25
Re: : Region Servers crashing following: "File does not exist", "Too many open files" exceptions - HBase - [mail # user]
...Hello,  No, we did not change anything, so compactions should run at automatically - I guess it's once a day - however, I don't know to what extent jobs running on the cluster have impeded...
... compactions - if this is even a possibility.  /David  On Mon, Feb 11, 2013 at 4:58 AM, ramkrishna vasudevan  wrote:  ...
   Author: David Koch, 2013-02-11, 15:24
Re: One Region Server fails - all M/R jobs crash. - HBase - [mail # user]
...Hello,  Thank you for your replies.  Not that it matters but, cache is 1, batch is -1 on the scan i.e each RPC call returns one row. The jobs don't write any data back to HBase, compaction...
   Author: David Koch, 2013-11-22, 19:43
Re: HBase scan performance decreases over time. - HBase - [mail # user]
...Hello Ted,  We never initiate major compaction manually. I have not looked at I/O balance between nodes in detail. We have noticed that after running for a couple of weeks HBase seems...
   Author: David Koch, 2012-11-03, 19:50
Rule of thumb: Size of data to send per RPC in a scan - HBase - [mail # user]
... -> 11min cache 5000, batch 25 -> crash (timeouts) cache 2000, batch 25 -> 15min  Job time can vary quite significantly according to whatever activity (compactions?) are going...
   Author: David Koch, 2013-01-25, 23:59
CopyTable utility fails on larger tables - HBase - [mail # user]
...\xA2?!EQ\xB8\xC9tE\x19\x92 \x08,1354713876229.a75fba31d9883ed7be4ed4a7be0e592f. in 8682ms, sequenceid=1440152048, compaction requested=true 2012-12-05 15:50:49,088 WARN org...
   Author: David Koch, 2012-12-05, 15:42
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