Thanks for letting us know!

Erick

On Wed, Jun 19, 2013 at 7:18 AM, Rishi Easwaran <rishi.easwa...@aol.com> wrote:
> Update!!
>
> Got SOLR cloud working, was able to do 90k document inserts with 
> replicationFactor=2, with my jmeter script, previously was getting stuck with 
> 3k inserts or less.
> After some investigation, figured out that ulimits for my process were not 
> being set properly, OS defaults were kicking in, which is very small for a 
> server app.
> One of our install script had changed.
> I had to up the ulimits - -n,-u,-v and for now no other issues seen.
>
>
>
>
>
>
> -----Original Message-----
> From: Rishi Easwaran <rishi.easwa...@aol.com>
> To: solr-user <solr-user@lucene.apache.org>
> Sent: Tue, Jun 18, 2013 10:40 am
> Subject: Re: Solr Cloud Hangs consistently .
>
>
> Mark,
>
> All I am doing are inserts, afaik search side deadlocks should not be an 
> issue.
>
> I am using Jmeter, standard test driver we use for most of our benchmarks and
> stats collection.
> My jmeter.jmx file- http://apaste.info/79IS , maybe i overlooked something
>
>
> Is there a benchmark script that solr community uses (preferably with jmeter),
> we are write heavy so at the moment focusing on inserts only.
>
> Thanks,
>
> Rishi.
>
>
>
>
>
> -----Original Message-----
> From: Yago Riveiro <yago.rive...@gmail.com>
> To: solr-user <solr-user@lucene.apache.org>
> Sent: Mon, Jun 17, 2013 6:19 pm
> Subject: Re: Solr Cloud Hangs consistently .
>
>
> I do all the indexing through a HTTP POST, with replicationFactor=1 no 
> problem,
> if is higher deadlock problems can appear
>
> A stack trace like this 
> http://lucene.472066.n3.nabble.com/updating-docs-in-solr-cloud-hangs-td4067388.html#a4067862
>
> is that I get
>
> --
> Yago Riveiro
> Sent with Sparrow (http://www.sparrowmailapp.com/?sig)
>
>
> On Monday, June 17, 2013 at 11:03 PM, Mark Miller wrote:
>
>> If it actually happens with replicationFactor=1, it doesn't likely have
> anything to do with the update handler issue I'm referring to. In some cases
> like these, people have better luck with Jetty than Tomcat - we test it much
> more. For instance, it's setup to help avoid search side distributed 
> deadlocks.
>>
>> In any case, there is something special about it - I do and have seen a lot 
>> of
>
> heavy indexing to SolrCloud by me and others without running into this. Both
> with replicationFacotor=1 and greater. So there is something specific in how 
> the
>
> load is being done or what features/methods are being used that likely causes 
> it
>
> or makes it easier to cause.
>>
>> But again, the issue I know about involves threads that are not even created
> in the replicationFactor = 1 case, so that could be a first report afaik.
>>
>> - Mark
>>
>> On Jun 17, 2013, at 5:52 PM, Rishi Easwaran <rishi.easwa...@aol.com
> (mailto:rishi.easwa...@aol.com)> wrote:
>>
>> > Update!!
>> >
>> > This happens with replicationFactor=1
>> > Just for kicks I created a collection with a 24 shards, replicationfactor=1
> cluster on my exisiting benchmark env.
>> > Same behaviour, SOLR cloud just hangs. Nothing in the logs, top/heap/cpu
> most metrics looks fine.
>> > Only indication seems to be netstat showing incoming request not being read
> in.
>> >
>> > Yago,
>> >
>> > I saw your previous post 
>> > (http://lucene.472066.n3.nabble.com/updating-docs-in-solr-cloud-hangs-td4067388.html#a4067631)
>> > Following it, Last week, I upgraded to SOLR 4.3, to see if the issue gets
> fixed, but no luck.
>> > Looks like this is a dominant and easily reproducible issue on SOLR cloud.
>> >
>> >
>> > Thanks,
>> >
>> > Rishi.
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: Yago Riveiro <yago.rive...@gmail.com (mailto:yago.rive...@gmail.com)>
>> > To: solr-user <solr-user@lucene.apache.org 
>> > (mailto:solr-user@lucene.apache.org)>
>> > Sent: Mon, Jun 17, 2013 5:15 pm
>> > Subject: Re: Solr Cloud Hangs consistently .
>> >
>> >
>> > I can confirm that the deadlock happen with only 2 replicas by shard. I 
>> > need
>
>
>> > shutdown one node that host a replica of the shard to recover the 
>> > indexation
>
>
>> > capability.
>> >
>> > --
>> > Yago Riveiro
>> > Sent with Sparrow (http://www.sparrowmailapp.com/?sig)
>> >
>> >
>> > On Monday, June 17, 2013 at 6:44 PM, Rishi Easwaran wrote:
>> >
>> > >
>> > >
>> > > Hi All,
>> > >
>> > > I am trying to benchmark SOLR Cloud and it consistently hangs.
>> > > Nothing in the logs, no stack trace, no errors, no warnings, just seems
> stuck.
>> > >
>> > > A little bit about my set up.
>> > > I have 3 benchmark hosts, each with 96GB RAM, 24 CPU's and 1TB SSD. Each
> host
>> > >
>> >
>> > is configured to have 8 SOLR cloud nodes running at 4GB each.
>> > > JVM configs: http://apaste.info/57Ai
>> > >
>> > > My cluster has 12 shards with replication factor 2- 
>> > > http://apaste.info/09sA
>> > >
>> > > I originally stated with SOLR 4.2., tomcat 5 and jdk 6, as we are already
>> > running this configuration in production in Non-Cloud form.
>> > > It got stuck repeatedly.
>> > >
>> > > I decided to upgrade to the latest and greatest of everything, SOLR 4.3,
> JDK7
>> > and tomcat7.
>> > > It still shows same behaviour and hangs through the test.
>> > >
>> > > My test schema and config.
>> > > Schema.xml - http://apaste.info/imah
>> > > SolrConfig.xml - http://apaste.info/ku4F
>> > >
>> > > The test is pretty simple. its a jmeter test with update command via SOAP
> rpc
>> > (round robin request across every node), adding in 5 fields from a csv file
> -
>> > id, guid, subject, body, compositeID (guid!id).
>> > > number of jmeter threads = 150. loop count = 20, num of messages to
> add/per
>> >
>> > guid = 3; total 150*3*20 = 9000 documents.
>> > >
>> > > When cloud gets stuck, i don't get anything in the logs, but when i run
>> > netstat i see the following.
>> > > Sample netstat on a stuck run. http://apaste.info/hr0O
>> > > hycl-d20 is my jmeter host. ssd-d01/2/3 are my cloud hosts.
>> > >
>> > > At the moment my benchmarking efforts are at a stand still.
>> > >
>> > > Any help from the community would be great, I got some heap dumps and
> stack
>> > dumps, but haven't found a smoking gun yet.
>> > > If I can provide anything else to diagnose this issue. just let me know.
>> > >
>> > > Thanks,
>> > >
>> > > Rishi.
>
>
>
>
>

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