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From Joe Obernberger <joseph.obernber...@gmail.com>
Subject Re: Auto commit Error - Solr Cloud 6.6.0 with HDFS
Date Wed, 12 Jul 2017 20:14:12 GMT
Thank you Shawn - we have some WARN messages like :

DFSClient
Slow waitForAckedSeqno took 31066ms (threshold=30000ms)

and

DFSClient
Slow ReadProcessor read fields took 30737ms (threshold=30000ms); ack: 
seqno: 1 reply: SUCCESS reply: SUCCESS reply: SUCCESS 
downstreamAckTimeNanos: 30735948057,&#8203; targets: 
[DatanodeInfoWithStorage[172.16.100.223:50010,&#8203;DS-fc197ece-4c43-46a4-964e-9ecc8adcdcb1,&#8203;DISK],&#8203;

DatanodeInfoWithStorage[172.16.100.228:50010,&#8203;DS-fd9fe2ea-780b-490a-b9a7-ad54c994e307,&#8203;DISK],&#8203;

DatanodeInfoWithStorage[172.16.20.17:50010,&#8203;DS-63b38ca5-b674-4cdc-8102-f07a22709dc1,&#8203;DISK]]

I was getting the log ready for you, but it was overwritten in the 
interim.  If it happens again, I'll get the log file ready.

-Joe


On 7/12/2017 9:25 AM, Shawn Heisey wrote:
> On 7/12/2017 7:14 AM, Joe Obernberger wrote:
>> Started up a 6.6.0 solr cloud instance running on 45 machines
>> yesterday using HDFS (managed schema in zookeeper) and began
>> indexing.  This error occurred on several of the nodes:
> <snip>
>> Caused by: org.apache.solr.common.SolrException: openNewSearcher
>> called on closed core
> There's the important part of the error.
>
> For some reason, which is not immediately clear from the information
> provided, the core is closed.  In that situation, Solr is not able to
> open a new searcher, so this error happens.  Do you have any other WARN
> or ERROR messages in solr.log before this error?  You might want to find
> a way to share an entire logfile and provide a URL for accessing it.
>
> Thanks,
> Shawn
>
>
> ---
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