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https://issues.apache.org/jira/browse/SOLR-9478?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15466102#comment-15466102
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ted zhu commented on SOLR-9478:
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thank you very much, i 'll send a mail to solr-user
On Tue, Sep 6, 2016 at 3:25 AM, Erick Erickson (JIRA) <[email protected]>
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*Ted Zhu 祝海潮*
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> Do delta import will loss some documents, when the documents added in the
> duration of delta import.
> ---------------------------------------------------------------------------------------------------
>
> Key: SOLR-9478
> URL: https://issues.apache.org/jira/browse/SOLR-9478
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: 5.5, 5.5.2, 6.0
> Reporter: ted zhu
> Labels: delta-import, solrcloud
> Fix For: 5.5.2
>
>
> hello guys,
> I met a problem when i using the solrcloud mode. When the solr instance run
> delta-import, it may take
> some time to be finished( my data source is mysql database). So during this
> time, the new added documents
> will loss, the deltaQuery, i use SUBDATE($\{dih.last_index_time\}, INTERVAL 2
> MINUTE),
> let it run the delta-import 2 mins earlier than the last_index_time, if the
> delta-import's duration is 5 mins, it will loss the records at the first 3
> mins.
> Our servers doesn't use solr cloud mode before, we deal with this issue
> is tring to rewrite dataimport.properties file,
> query the max(sys_time_stamp), which will help to record the max time stamp,
> and let the solr can run delta import standing
> by the time found in the file, of course, it will never miss docuements.
> But now, we use solrcloud, the dataimport.properties is on the zookeeper,
> and we may have multiple collections for the
> same core.how can i update the dataimport.properties file now in colleciton
> now? Do you have any solution to help record
> the max(sys_time_stamp) in dataimport.properties, rather than using the time
> of delta-import start to run?
> Cheers
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