Thanks, Terry. I remember looking at the pull request for DS-3458[0] in
early 2017 but eventually gave up after trying to cherry-pick all the
required commits into my 5.5 branch. I will think about taking a look in
the short term, but in the long term I need to start evaluating moving to
5.7 (we use some custom Atmire modules so we always need to ensure
compatibility with those first before rebasing on upstream DSpace versions).

The new core is created but there are no records in it, so I can see it in
the Solr admin but I can't query it.

[0] https://github.com/DSpace/DSpace/pull/1643

Cheers,


On Thu, Jan 11, 2018 at 11:41 PM Terry Brady <terry.br...@georgetown.edu>
wrote:

> Alan,
>
> The issue that you are reporting does not sound like the same issue that
> was addressed in DSpace 5.7 and 6.1.
>
> In DSpace 6.0, running the sharding process prevented tomcat from starting
> up properly.  While addressing that serious bug, a number of smaller issues
> related to statistics import and export were addressed.  It was very
> difficult to re-test the sharding process without first fixing the
> statistics import and export tools.  I ported the fixes to those tools into
> DSpace 5.7.
>
> It is interesting that you see that a new shard is created.  Does that new
> shard contain any records?  Are you able to query it in the solr admin
> console?
>
> The following fix https://jira.duraspace.org/browse/DS-3458 might make
> the process more tolerant if you attempt to re-run the sharding process
> after a new shard is in place.
>
> Terry
>
>
> On Wed, Jan 10, 2018 at 11:50 PM, Alan Orth <alan.o...@gmail.com> wrote:
>
>> Hi, Christian. I just tried again with 4096m heap size and the error is
>> the same. I think the problem is indeed related to the Solr optimistic
>> concurrency version conflicts that are addressed in DSpace 5.7 and DSpace
>> 6.1.
>>
>> - 5.7:
>> https://wiki.duraspace.org/display/DSPACE/DSpace+Release+5.7+Status
>> - 6.1:
>> https://wiki.duraspace.org/display/DSPACE/DSpace+Release+6.1+Status
>>
>> Thanks,
>>
>> On Thu, Jan 11, 2018 at 9:13 AM Christian Scheible <
>> christian.schei...@uni-konstanz.de> wrote:
>>
>>> Hi Alan,
>>>
>>> have you tried increasing the Java Heap Space?
>>> On my local development machine (DSpace 6.2) the command did not run
>>> when Heap Space was only 1 GB but did work with 4GB.
>>>
>>> Like this:
>>> sudo -u tomcat7 JAVA_OPTS="-Xmx4024M -Xms1024M -Dfile.encoding=UTF-8"
>>> /opt/dspace-kops/bin/dspace stats-util -s
>>>
>>> Regards
>>>
>>> Christian
>>>
>>>
>>> Am 11.01.2018 um 08:04 schrieb Alan Orth:
>>>
>>> @Mark, I looked in DSpace's solr.log and see that the new Solr core is
>>> created, then it does some stuff and eventually closes it without an error.
>>> Neither Tomcat's catalina.out nor localhost.log have any errors around the
>>> time I attempted to shard on my local development machine. There might be a
>>> hint here in Tomcat's localhost_access_log, though:
>>>
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET
>>> /solr/statistics/select?q=type%3A2+AND+id%3A1&wt=javabin&version=2
>>> HTTP/1.1" 200 107
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET
>>> /solr/statistics/select?q=*%3A*&rows=0&facet=true&facet.range=time&facet.range.start=NOW%2FYEAR-18YEARS&facet.range.end=NOW%2FYEAR%2B0YEARS&facet.range.gap=%2B1YEAR&facet.mincount=1&wt=javabin&version=2
>>> HTTP/1.1" 200 447
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET
>>> /solr/admin/cores?action=STATUS&core=statistics-2016&indexInfo=true&wt=javabin&version=2
>>> HTTP/1.1" 200 76
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET
>>> /solr/admin/cores?action=CREATE&name=statistics-2016&instanceDir=statistics&dataDir=%2FUsers%2Faorth%2Fdspace%2Fsolr%2Fstatistics-2016%2Fdata&wt=javabin&version=2
>>> HTTP/1.1" 200 63
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET
>>> /solr/statistics/select?csv.mv.separator=%7C&q=*%3A*&fq=time%3A%28%5B2016%5C-01%5C-01T00%5C%3A00%5C%3A00Z+TO+2017%5C-01%5C-01T00%5C%3A00%5C%3A00Z%5D+NOT+2017%5C-01%5C-01T00%5C%3A00%5C%3A00Z%29&rows=10000&wt=csv
>>> HTTP/1.1" 200 2137630
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "GET
>>> /solr/statistics/admin/luke?show=schema&wt=javabin&version=2 HTTP/1.1" 200
>>> 16253
>>> 127.0.0.1 - - [10/Jan/2018:10:51:19 +0200] "POST
>>> /solr//statistics-2016/update/csv?commit=true&softCommit=false&waitSearcher=true&f.previousWorkflowStep.split=true&f.previousWorkflowStep.separator=%7C&f.previousWorkflowStep.encapsulator=%22&f.actingGroupId.split=true&f.actingGroupId.separator=%7C&f.actingGroupId.encapsulator=%22&f.containerCommunity.split=true&f.containerCommunity.separator=%7C&f.containerCommunity.encapsulator=%22&f.range.split=true&f.range.separator=%7C&f.range.encapsulator=%22&f.containerItem.split=true&f.containerItem.separator=%7C&f.containerItem.encapsulator=%22&f.p_communities_map.split=true&f.p_communities_map.separator=%7C&f.p_communities_map.encapsulator=%22&f.ngram_query_search.split=true&f.ngram_query_search.separator=%7C&f.ngram_query_search.encapsulator=%22&f.containerBitstream.split=true&f.containerBitstream.separator=%7C&f.containerBitstream.encapsulator=%22&f.owningItem.split=true&f.owningItem.separator=%7C&f.owningItem.encapsulator=%22&f.actingGroupParentId.split=true&f.actingGroupParentId.separator=%7C&f.actingGroupParentId.encapsulator=%22&f.text.split=true&f.text.separator=%7C&f.text.encapsulator=%22&f.simple_query_search.split=true&f.simple_query_search.separator=%7C&f.simple_query_search.encapsulator=%22&f.owningComm.split=true&f.owningComm.separator=%7C&f.owningComm.encapsulator=%22&f.owner.split=true&f.owner.separator=%7C&f.owner.encapsulator=%22&f.filterquery.split=true&f.filterquery.separator=%7C&f.filterquery.encapsulator=%22&f.p_group_map.split=true&f.p_group_map.separator=%7C&f.p_group_map.encapsulator=%22&f.actorMemberGroupId.split=true&f.actorMemberGroupId.separator=%7C&f.actorMemberGroupId.encapsulator=%22&f.bitstreamId.split=true&f.bitstreamId.separator=%7C&f.bitstreamId.encapsulator=%22&f.group_name.split=true&f.group_name.separator=%7C&f.group_name.encapsulator=%22&f.p_communities_name.split=true&f.p_communities_name.separator=%7C&f.p_communities_name.encapsulator=%22&f.query.split=true&f.query.separator=%7C&f.query.encapsulator=%22&f.workflowStep.split=true&f.workflowStep.separator=%7C&f.workflowStep.encapsulator=%22&f.containerCollection.split=true&f.containerCollection.separator=%7C&f.containerCollection.encapsulator=%22&f.complete_query_search.split=true&f.complete_query_search.separator=%7C&f.complete_query_search.encapsulator=%22&f.p_communities_id.split=true&f.p_communities_id.separator=%7C&f.p_communities_id.encapsulator=%22&f.rangeDescription.split=true&f.rangeDescription.separator=%7C&f.rangeDescription.encapsulator=%22&f.group_id.split=true&f.group_id.separator=%7C&f.group_id.encapsulator=%22&f.bundleName.split=true&f.bundleName.separator=%7C&f.bundleName.encapsulator=%22&f.ngram_simplequery_search.split=true&f.ngram_simplequery_search.separator=%7C&f.ngram_simplequery_search.encapsulator=%22&f.group_map.split=true&f.group_map.separator=%7C&f.group_map.encapsulator=%22&f.owningColl.split=true&f.owningColl.separator=%7C&f.owningColl.encapsulator=%22&f.p_group_id.split=true&f.p_group_id.separator=%7C&f.p_group_id.encapsulator=%22&f.p_group_name.split=true&f.p_group_name.separator=%7C&f.p_group_name.encapsulator=%22&wt=javabin&version=2
>>> HTTP/1.1" 409 156
>>>
>>> A new core is created, then DSpace GETs a CSV from Solr, tries to POST
>>> it to the new core and is greeted with an HTTP 409 error. I just Googled
>>> for "HTTP 409 solr" and found some mentions of optimistic concurrency and
>>> version conflicts. Interesting! This indeed sounds a lot like what I've
>>> read in some Jira issues. Could this be the problem fixed in DSpace 5.7,
>>> Terry?
>>>
>>> Our Solr statistics core has something like 80 million documents so I'm
>>> really hoping to be able to shard it eventually!
>>>
>>> Thank you,
>>>
>>> On Wed, Jan 10, 2018 at 7:04 PM Terry Brady <terry.br...@georgetown.edu>
>>> wrote:
>>>
>>>> Alan,
>>>>
>>>> There were some bug fixes to the Solr Sharding process in DSpace 5.7.
>>>> See
>>>> https://wiki.duraspace.org/display/~terrywbrady/Statistics+Import+Export+Issues
>>>> <https://wiki.duraspace.org/display/%7Eterrywbrady/Statistics+Import+Export+Issues>
>>>> for details.
>>>>
>>>> I am running DSpace 5.8 and I was able to shard successfully.
>>>> https://wiki.duraspace.org/display/DSDOC5x/SOLR+Statistics+Maintenance#SOLRStatisticsMaintenance-SolrShardingByYear
>>>>
>>>> Terry
>>>>
>>>> On Wed, Jan 10, 2018 at 6:07 AM, Mark H. Wood <mwoodiu...@gmail.com>
>>>> wrote:
>>>>
>>>>> Does the server log anything interesting?  It seems to be dropping the
>>>>> connection.  I suspect a timeout of some sort, on the server side.
>>>>> --
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>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Terry Brady
>>>> Applications Programmer Analyst
>>>> Georgetown University Library Information Technology
>>>> https://github.com/terrywbrady/info
>>>> 425-298-5498 <%28425%29%20298-5498> (Seattle, WA)
>>>> --
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>>>>
>>>
>>>
>>> --
>>>
>>> Alan Orth
>>> alan.o...@gmail.com
>>> https://picturingjordan.com
>>> https://englishbulgaria.net
>>> https://mjanja.ch
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>>>
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>>
>>
>> --
>>
>> Alan Orth
>> alan.o...@gmail.com
>> https://picturingjordan.com
>> https://englishbulgaria.net
>> https://mjanja.ch
>>
>> --
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>>
>
>
>
> --
> Terry Brady
> Applications Programmer Analyst
> Georgetown University Library Information Technology
> https://github.com/terrywbrady/info
> 425-298-5498 <(425)%20298-5498> (Seattle, WA)
>


-- 

Alan Orth
alan.o...@gmail.com
https://picturingjordan.com
https://englishbulgaria.net
https://mjanja.ch

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