On 2012-02-15, at 5:39 PM, Stack wrote:
On Wed, Feb 15, 2012 at 1:53 AM, Oliver Meyn (GBIF) om...@gbif.org wrote:
So hacking around reveals that key collision is indeed the problem. I
thought the modulo part of the getRandomRow method was suspect but while
removing it improved the
On 2012-02-15, at 7:32 AM, Stack wrote:
On Tue, Feb 14, 2012 at 8:14 AM, Stack st...@duboce.net wrote:
2) With that same randomWrite command line above, I would expect a
resulting table with 10 * (1024 * 1024) rows (so 10485700 = roughly 10M
rows). Instead what I'm seeing is that the
On 2012-02-15, at 9:09 AM, Oliver Meyn (GBIF) wrote:
On 2012-02-15, at 7:32 AM, Stack wrote:
On Tue, Feb 14, 2012 at 8:14 AM, Stack st...@duboce.net wrote:
2) With that same randomWrite command line above, I would expect a
resulting table with 10 * (1024 * 1024) rows (so 10485700 = roughly
Oliver:
Thanks for digging.
Please file Jira's for these issues.
On Feb 15, 2012, at 1:53 AM, Oliver Meyn (GBIF) om...@gbif.org wrote:
On 2012-02-15, at 9:09 AM, Oliver Meyn (GBIF) wrote:
On 2012-02-15, at 7:32 AM, Stack wrote:
On Tue, Feb 14, 2012 at 8:14 AM, Stack st...@duboce.net
Okie:
10x # of mappers: https://issues.apache.org/jira/browse/HBASE-5401
wrong row count: https://issues.apache.org/jira/browse/HBASE-5402
Oliver
On 2012-02-15, at 11:50 AM, yuzhih...@gmail.com wrote:
Oliver:
Thanks for digging.
Please file Jira's for these issues.
On Feb 15,
On Wed, Feb 15, 2012 at 1:53 AM, Oliver Meyn (GBIF) om...@gbif.org wrote:
So hacking around reveals that key collision is indeed the problem. I
thought the modulo part of the getRandomRow method was suspect but while
removing it improved the behaviour (I got ~8M rows instead of ~6.6M) it
Hi all,
I've been trying to run a battery of tests to really understand our cluster's
performance, and I'm employing PerformanceEvaluation to do that (picking up
where Tim Robertson left off, elsewhere on the list). I'm seeing two strange
things that I hope someone can help with:
1) With a
On Tue, Feb 14, 2012 at 7:56 AM, Oliver Meyn (GBIF) om...@gbif.org wrote:
1) With a command line like 'hbase
org.apache.hadoop.hbase.PerformanceEvaluation randomWrite 10' I see 100
mappers spawned, rather than the expected 10. I expect 10 because that's
what the usage text implies, and
On Tue, Feb 14, 2012 at 8:14 AM, Stack st...@duboce.net wrote:
2) With that same randomWrite command line above, I would expect a resulting
table with 10 * (1024 * 1024) rows (so 10485700 = roughly 10M rows).
Instead what I'm seeing is that the randomWrite job reports writing that
many
