What Solr version do you use?
It seems that sync flag has been added to 3.1 and 4.0 (trunk) branches
and not to 1.4
https://issues.apache.org/jira/browse/SOLR-1721
On Wed, Dec 8, 2010 at 11:21 PM, Juan Manuel Alvarez <naici...@gmail.com> wrote:
> Hello everyone!
> I have been doing some tests, but it seems I can't make the
> synchronize flag work.
>
> I have made two tests:
> 1) DIH with commit=false
> 2) DIH with commit=false + commit via Solr XML update protocol
>
> And here are the log results:
> For (1) the command is
> "/solr/dataimport?command=delta-import&commit=false&synchronous=true"
> and the first part of the output is:
>
> Dec 8, 2010 4:42:51 PM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/dataimport params={command=status} status=0
> QTime=0
> Dec 8, 2010 4:42:51 PM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/dataimport
> params={schema=testproject&dbHost=127.0.0.1&dbPassword=fuz10n!&dbName=fzm&commit=false&dbUser=fzm&command=delta-import&projectId=1&synchronous=true&dbPort=5432}
> status=0 QTime=4
> Dec 8, 2010 4:42:51 PM org.apache.solr.handler.dataimport.DataImporter
> doDeltaImport
> INFO: Starting Delta Import
> Dec 8, 2010 4:42:51 PM org.apache.solr.handler.dataimport.SolrWriter
> readIndexerProperties
> INFO: Read dataimport.properties
> Dec 8, 2010 4:42:51 PM org.apache.solr.handler.dataimport.DocBuilder doDelta
> INFO: Starting delta collection.
> Dec 8, 2010 4:42:51 PM org.apache.solr.handler.dataimport.DocBuilder
> collectDelta
>
>
> For (2) the commands are
> "/solr/dataimport?command=delta-import&commit=false&synchronous=true"
> and "/solr/update?commit=true&waitFlush=true&waitSearcher=true" and
> the first part of the output is:
>
> Dec 8, 2010 4:22:50 PM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/dataimport params={command=status} status=0
> QTime=0
> Dec 8, 2010 4:22:50 PM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/dataimport
> params={schema=testproject&dbHost=127.0.0.1&dbPassword=fuz10n!&dbName=fzm&commit=false&dbUser=fzm&command=delta-import&projectId=1&synchronous=true&dbPort=5432}
> status=0 QTime=1
> Dec 8, 2010 4:22:50 PM org.apache.solr.core.SolrCore execute
> INFO: [] webapp=/solr path=/dataimport params={command=status} status=0
> QTime=0
> Dec 8, 2010 4:22:50 PM org.apache.solr.handler.dataimport.DataImporter
> doDeltaImport
> INFO: Starting Delta Import
> Dec 8, 2010 4:22:50 PM org.apache.solr.handler.dataimport.SolrWriter
> readIndexerProperties
> INFO: Read dataimport.properties
> Dec 8, 2010 4:22:50 PM org.apache.solr.update.DirectUpdateHandler2 commit
> INFO: start
> commit(optimize=false,waitFlush=true,waitSearcher=true,expungeDeletes=false)
>
> In (2) it seems like the commit is being fired before the delta-update
> finishes.
>
> Am I using the "synchronous" flag right?
>
> Thanks in advance!
> Juan M.
>
> On Mon, Dec 6, 2010 at 6:46 PM, Juan Manuel Alvarez <naici...@gmail.com>
> wrote:
>> Thanks for all the help! It is really appreciated.
>>
>> For now, I can afford the parallel requests problem, but when I put
>> synchronous=true in the delta import, the call still returns with
>> outdated items.
>> Examining the log, it seems that the commit operation is being
>> executed after the operation returns, even when I am using
>> commit=true.
>> Is it possible to also execute the commit synchronously?
>>
>> Cheers!
>> Juan M.
>>
>> On Mon, Dec 6, 2010 at 4:29 PM, Alexey Serba <ase...@gmail.com> wrote:
>>>> When you say "two parallel requests from two users to single DIH
>>>> request handler", what do you mean by "request handler"?
>>> I mean DIH.
>>>
>>>> Are you
>>>> refering to the HTTP request? Would that mean that if I make the
>>>> request from different HTTP sessions it would work?
>>> No.
>>>
>>> It means that when you have two users that simultaneously changed two
>>> objects in the UI then you have two HTTP requests to DIH to pull
>>> changes from the db into Solr index. If the second request comes when
>>> the first is not fully processed then the second request will be
>>> rejected. As a result your index would be outdated (w/o the latest
>>> update) until the next update.
>>>
>>
>
