That was it. Thanks!
I had to set to indexCacheSize = 10 to get the performance I'm looking
for.
rajdavies wrote:
ok - it looks like you might need to tune KahaDB - set the
indexCacheSize = 1000 - see http://activemq.apache.org/kahadb.html
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of indexing
messages once you start to consume from topic.
rajdavies wrote:
could you provide a test case ?
cheers,
Rob
On 11 Feb 2010, at 21:41, rideallday wrote:
Umm, actually I'm still seeing issues with high Index times for
topics.
My test case is:
Send a huge amount
Umm, actually I'm still seeing issues with high Index times for topics.
My test case is:
Send a huge amount of messages into the broker. Let several hundred thousand
accumulate. Then start consumers and see how long it takes to drain the
queues and topics.
The result is:
For queues-
I can confirm that has resolved the issue I was seeing. Thanks Rob!
What's ETA for 5.4 or applying this fix in 5.3? I'll need an official stable
release to put into production.
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rajdavies wrote:
FileCursor and Kaha (which is
used by the AMQStore). - can you share the configuration you are using?
KahaDB isn't the same as Kaha
I'm still unsure... I'm using KahaDB, not AMQStore. I was about to go back
to AMQStore as this setup just isn't working, but I really
I went back to AMQStore. Working fine for me.
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Rob,
I'm seeing the exact same behaviour as Daniel,
So I would recommend the following
2. Try KahaDB - which - with the BTreeIndex - will not hit the
problems you are seeing with the Filecursor
however I am already using KahaDB as the persistenceAdapter.
Your advice seems to
I am also seeing these. I understand that you can set a thrreshold to stop it
logging, but it seems that things slow down or stall while KahaDB performs
an index. Ie- consumers of this broker are blocked waiting for the index to
complete.
This happens when my message store grows to several
