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From Susheel Kumar <susheel2...@gmail.com>
Subject Re: SolrCloud 5.3.1 "IndexWriter is closed"
Date Tue, 12 Sep 2017 18:42:03 GMT
During Reload collection, it does close the IndexWriter and opens a new.
So looks like with live traffic (is it heavy traffic, how many qps?) and
collection reload, its running into a situation when IndexWriter is not
able to open up again.  Not sure if this issue might have been fixed in 5
or 6.x and may work fine in latest 6.6.1 if you could test anyway.

https://www.quora.com/What-happens-during-a-Solr-Core-Reload


On Tue, Sep 12, 2017 at 12:47 PM, Kelly, Frank <frank.kelly@here.com> wrote:

> The schema change doesn¹t seem to be making any difference - just the act
> of a reload whilst handling live traffic.
>
> The reload takes about 30 seconds and soon after (within a few seconds) we
> start to see IndexWriter closed exceptions
>
> -Frank
>
>
> Frank Kelly
> Principal Software Engineer
> Identity Profile Team (SCBE, Traces, CDA)
>
> HERE
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>
> On 9/12/17, 9:13 AM, "Susheel Kumar" <susheel2777@gmail.com> wrote:
>
> >Kelly -
> >
> >If you do not make any change to schema and just reload your collection,
> >does it work fine? How much time it takes to reload the collection?
> >
> >I am suspecting some conflict with commit frequency (5mins) and collection
> >reload.
> >
> >Thnx
>
>

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