Hello, Martin.
How do you index? Where did you get this error?
 Usually it occurs in custom code with many new Thread() calls and usually
healed with thread poling.

On Tue, Feb 12, 2019 at 3:25 PM Martin Frank Hansen (MHQ) <m...@kmd.dk>
wrote:

> Hi,
>
> I am trying to create an index on a small Linux server running Solr-7.5.0,
> but keep running into problems.
>
> When I try to index a file-folder of roughly 18 GB (18000 files) I get the
> following error from the server:
>
> java.lang.OutOfMemoryError: unable to create new native thread.
>
> From the server I can see the following limits:
>
> User$ ulimit -a
> core file size                                 (blocks, -c) 0
> data seg size                                 (kbytes, -d) unlimited
> scheduling priority                     (-e) 0
> file size                                           (blocks, -f) unlimited
> pending signals                          (-i) 257568
> max locked memory                 (kbytes, -l) 64
> max memory size                      (kbytes, -m) unlimited
> open files                                    (-n) 1024
> pipe size                                       (512 bytes, -p) 8
> POSIX message queues            (bytes, -q) 819200
> real-time priority                      (-r) 0
> stack size                                      (kbytes, -s) 8192
> cpu time                                       (seconds, -t) unlimited
> max user processes                  (-u) 257568
> virtual memory                          (kbytes, -v) unlimited
> file locks                                      (-x) unlimited
>
> I do not see any limits on threads only on open files.
>
> I have added a autoCommit of a maximum of 1000 documents, but that did not
> help. How can I increase the thread limit, or is there another way of
> solving this issue? Any help is appreciated.
>
> Best regards
>
> Martin
>
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-- 
Sincerely yours
Mikhail Khludnev

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