Thanks a lot Adam for sharing your results!

Your database folder name "couchdb-neo4j-deft" looks really interesting, I'd 
love to learn more about that project of yours :) Feel free to ping me 
privately.
Cheers,

Michael

Am 16.07.2014 um 18:44 schrieb Adam Lofts <[email protected]>:

> I think I figured out what was going on. One of the code paths for graph 
> query was missing a finish() call. I think this was causing a lot of 
> transactions to 'work' but then eventually timeout and to dump to the 
> messages.log file.
> 
> Still verifying that this is the issue but right now disk growth looks a lot 
> better.
> 
> Adam  
> 
> On Tuesday, 15 July 2014 10:01:59 UTC-7, Adam Lofts wrote:
> Hi Michael,
> 
> Truncating it regularly would work and I could write a cron job to do it. 
> Right now I'm looking for a more robust solution since in some sense these 
> folders are managed by the neo4j and it seems dangerous to interfere with 
> them from another process. An integrated solution would still work if the 
> daemon gets re-deployed into a different folder for example.
> 
> Example messages.log file (there are lots of these on the server). Note it is 
> 1.5 GB in size.
> 
> -rw-r--r-- 1 root root 1.5G Jul 15 16:33 
> /var/www/carboncloud/couchdb-neo4j-deft/couchdb-neo4j-deft-0.9.1/indexes/89d4d8e6-e072-44a6-9852-6598013560e3/messages.log
> 
> Example content from the start of the file:
> 
> 2014-03-19 15:28:07,477 INFO  [neo4j.txmanager]: TM new log: tm_tx_log.1
> 2014-03-19 15:28:07,483 INFO  [neo4j.xafactory]: Opened logical log 
> [/var/www/carboncloud/couchdb-neo4j-deft/couchdb-neo4j-deft-0.9.1/indexes/89d4d8e6-e072-44a6-9852-6598013560e3/index/lucene.log.1]
>  version=0, lastTxId=1 (clean)
> 2014-03-19 15:28:07,488 DEBUG [neo4j.diagnostics]: --- STARTUP diagnostics 
> START ---
> 2014-03-19 15:28:07,488 DEBUG [neo4j.diagnostics]: Neo4j Kernel properties:
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: forced_kernel_id=
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: read_only=false
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: 
> neo4j.ext.udc.host=udc.neo4j.org
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: 
> logical_log=nioneo_logical.log
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: node_aut
> o_indexing=true
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: 
> intercept_committing_transactions=false
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: cache_type=soft
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: 
> intercept_deserialized_transactions=false
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: 
> lucene_searcher_cache_size=2147483647
> 2014-03-19 15:28:07,489 DEBUG [neo4j.diagnostics]: 
> neo4j.ext.udc.interval=86400000
> 
> The problem may be that I open and close the index a lot. Maybe I can reduce 
> the debug output when doing this?
> 
> Thanks!
> 
> On Monday, 14 July 2014 17:11:58 UTC-7, Michael Hunger wrote:
> Does it help to truncate it regularly?
> 
> What is the actual memory issue? Perhaps you can share your messages.log file?
> 
> Michael
> 
> Am 14.07.2014 um 00:11 schrieb Adam Lofts <[email protected]>:
> 
>> Hi,
>> 
>> I am running some servers which open lots of neo4j indexes. These servers 
>> are 'on the limit' of memory capacity so there is a log of logging output to 
>> messages.log. Is there some way I can limit the size of the messages.log 
>> file or alternatively turn off all logging to this file? The disk usage just 
>> from all the messages.log files is a problem.
>> 
>> Thanks!
>> 
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