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https://issues.apache.org/jira/browse/SOLR-11049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16393741#comment-16393741
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Shawn Heisey commented on SOLR-11049:
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Just became aware of this issue due to the mailing list.
It's awesome that there's a workaround, and it does look like the reference
guide was updated.
But anytime somebody performs an action and it doesn't work, Solr should not
return a success status (0), and there should be at least one log entry
explaining what went wrong.
Separately: Do we need to be worried about the fact that the failed upload took
24 seconds? I'm guessing that there was at least one timeout involved with
this. I would have expected ZK to reject the upload quite quickly, and to do
it in a way that Solr *can* detect as an error. It would be good to figure out
whether it was Solr or ZK that misbehaved here.
> Solr in cloud mode silently fails uploading a big LTR model
> -----------------------------------------------------------
>
> Key: SOLR-11049
> URL: https://issues.apache.org/jira/browse/SOLR-11049
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: contrib - LTR
> Environment: tested with Solr 6.6 an integrated zookeeper
> Reporter: Stefan Langenmaier
> Priority: Major
> Fix For: 7.2, master (8.0)
>
> Attachments: SOLR-11049.patch
>
>
> Hi,
> I'm using Solr in cloud mode, I have a MultipleAdditiveTreesModel with about
> 3MB in size. When I upload the model with
> {noformat}
> curl -v -XPUT 'http://localhost:8983/solr/tmdb/schema/model-store'
> --data-binary @/big-tree.model -H 'Content-type:application/json'
> {noformat}
> I get the following response
> {code:html}
> {
> "responseHeader":{
> "status":0,
> "QTime":24318}
> }
> {code}
> This looks kind of slow but without an error. When I check the config the
> model is not visible and when I try to run a query that uses the model I get
> the following error
> {code:html}
> "error":{
> "metadata":[
> "error-class","org.apache.solr.common.SolrException",
> "root-error-class","org.apache.solr.common.SolrException"],
> "msg":"cannot find model bigTreeModel",
> "code":400}
> {code}
> When I upload the model to solr where I increased the zookeeper znode size
> limit with
> {noformat}
> -Djute.maxbuffer=0x1ffffff
> {noformat}
> the same model upload succeeds much faster
> {code:html}
> {
> "responseHeader":{
> "status":0,
> "QTime":689}
> }
> {code}
> The model is visible in the configuration and queries that use it run without
> error.
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