Hi

Thanks, Mark. I am pretty sure SOLR-4899 is not it, but our problem might we solved after 4.0.0 anyway. We will consider if we will upgrade to latest 4.x and/or if we will dive into the problem to see if we can figure out what happens.

Regards, Per Steffensen

On 8/14/13 4:13 PM, Mark Miller wrote:
There have been hundreds of fixes since 4.0 - many around zookeeper 
integration. Really hard to say what it might be - I can say nothing should 
take that long by design.

A pretty important somewhat recent bug found was 
https://issues.apache.org/jira/browse/SOLR-4899 When reconnecting after 
ZooKeeper expiration, we need to be willing to wait forever, not for 30 seconds.

Don't know that it has anything to do with what you are seeing, or if perhaps 
that didn't exist in 4.0 - but worth looking at.

- Mark

On Aug 14, 2013, at 9:10 AM, Per Steffensen <[email protected]> wrote:

Hi

We have a fairly large SolrCloud installation where we continuously index a lot 
of documents. Users are doing searches against the system from time to time.

 From time to time our Solrs lose their Zookeeper connection. Guess thats what happens. But it 
takes two hours before a Solr that loses its ZK connection has its shards active again. I cant 
imagine what it needs to do for two hours? We are not using replica, so synch of data among replica 
is not it. At the time we havnt dived into the problem, and we do not know there the time is spent, 
whether it is between the connection is lost and the Solr "realizes" it, or whether it is 
from when it "realizes" it and until the shards are declared active again.

We will dive into the problem, but before doing that I wanted to ask here if 
this is a known problem, and, if yes, whether or not it is solved? FYI we are 
using Solr 4.0.0.

Regards, Per Steffensen

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