Yes secondary index builds are done via the compaction manager.
Cheers
-
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com
On 17/04/2012, at 1:06 PM, Maxim Potekhin wrote:
I noticed that nodetool compactionstats shows the building of the secondary
Thanks Aaaron. Just to be clear, every time I do a compaction,
I rebuild all indexes from scratch. Right?
Maxim
On 4/17/2012 6:16 AM, aaron morton wrote:
Yes secondary index builds are done via the compaction manager.
Cheers
-
Aaron Morton
Freelance Developer
@aaronmorton
No, the indexes are not rebuilt every compaction. Only if you manually
rebuild or bootstrap a new node does it use compaction manager to rebuild.
On Tue, Apr 17, 2012 at 9:47 AM, Maxim Potekhin potek...@bnl.gov wrote:
Thanks Aaaron. Just to be clear, every time I do a compaction,
I rebuild
Thanks Jake. Then I am definitely seeing weirdness, as there are tons of
pending tasks in compaction stats, and tons of index files created in the
data directory. Plus it does tell me that it is building the secondary
index,
and that seems to be happening at an amazingly glacial pace.
I have 2
Well, the since the secondary indexes are themselves column families they
too are compacted along with everything else.
On Tue, Apr 17, 2012 at 10:02 AM, Maxim Potekhin potek...@bnl.gov wrote:
Thanks Jake. Then I am definitely seeing weirdness, as there are tons of
pending tasks in compaction
I understand that indexes are CFs. But the compaction stats says it's
building the
index, not compacting the corresponding CF. Either that's an ambiguous
diagnostic,
or indeed something is not right with my rig as of late.
Maxim
On 4/17/2012 10:05 AM, Jake Luciani wrote:
Well, the since the
Hmm that does sound fishy.
When you run show keyspaces from cassandra-cli it shows which indexes are
built. Are they marked built in your column family?
-Jake
On Tue, Apr 17, 2012 at 10:09 AM, Maxim Potekhin potek...@bnl.gov wrote:
I understand that indexes are CFs. But the compaction stats
Yes. Sorry I didn't mention this, but of course I'm checking on indexes
once in a while.
So yes, they are marked as built.
All of this started happening after a few days of continuous loading
process. Since
the nodes have good hardware (24 cores + SSD), the apparent load on each
node
was
How many indexes are there?
On Tue, Apr 17, 2012 at 10:16 AM, Maxim Potekhin potek...@bnl.gov wrote:
Yes. Sorry I didn't mention this, but of course I'm checking on indexes
once in a while.
So yes, they are marked as built.
All of this started happening after a few days of continuous
The offending CF only has one. The other one, that seems to behave well,
has nine.
Maxim
On 4/17/2012 10:20 AM, Jake Luciani wrote:
How many indexes are there?
On Tue, Apr 17, 2012 at 10:16 AM, Maxim Potekhin potek...@bnl.gov
mailto:potek...@bnl.gov wrote:
Yes. Sorry I didn't mention
I noticed that nodetool compactionstats shows the building of the
secondary index while
I initiate compaction. Is this to be expected? Cassandra version 0.8.8.
Thank you
Maxim
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