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From "Reinhard Budenstecher" <>
Subject Re: Re: Config for massive inserts into Solr master
Date Sun, 09 Oct 2016 19:59:21 GMT

> What version of Solr?  How has it been installed and started?
Solr 6.2.1 on Debian Jessie, installed with:

apt-get install openjdk-8-jre-headless openjdk-8-jdk-headless
wget "" && tar xvfz
./solr-*/bin/ solr-*.tgz

started with "service solr start"

> Is this a single index core with 150 million docs and 140GB index
> directory size, or is that the sum total of all the indexes on the machine?

Actually, there are three cores and UI gives me following info:

Num Docs:148652589, Max Doc:298367634, Size:219.92 GB
Num Docs:37396140, Max Doc:38926989, Size:28.81 GB
Num Docs:8601222Max Doc:9111004, Size:6.26 GB

but the last two cores are not important

> It seems unlikely to me that you would see OOM errors when indexing with
> a 32GB heap and no queries.  You might try dropping the max heap to 31GB
> instead of 32GB, so your Java pointer sizes are cut in half.  You might
> actually see a net increase in the amount of memory that Solr can
> utilize with that change.

Actually, Solr servers dies nearly once a day, on next shutdown, I'll reduce the heap size.

> Whether the errors continue or not, can you copy the full error from
> your log with stacktrace(s) so we can see it?

How do I create such a stack trace? I have no more log informations than the already posted

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