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https://issues.apache.org/jira/browse/KUDU-1334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16884191#comment-16884191
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Alexey Serbin commented on KUDU-1334:
-------------------------------------

[~ibp73]

Yeah, these days 64-bit Linux distros have a limit of 2^22 as the maximum PID, 
even if pid_t is 32 bit.  Also, by default most Linux distros usually limit 
that by some lower value.  I'm curious what's your distro, if that's Linux?

If that's a linux machine, it's easy to limit the pid_max:

{noformat}
echo 262144 > /proc/sys/kernel/pid_max
{noformat}

Would it work for you?

> Support pid_max > 16 bits in the mini cluster
> ---------------------------------------------
>
>                 Key: KUDU-1334
>                 URL: https://issues.apache.org/jira/browse/KUDU-1334
>             Project: Kudu
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 0.5.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: Alexey Serbin
>            Priority: Major
>             Fix For: 1.6.0
>
>
> Pretty much anybody running on newer machines/platforms will hit this while 
> running the unit tests:
> {noformat}
> I0216 11:27:23.617383 110702 external_mini_cluster.cc:582] Started
> /home/stack/apache-kudu-incubating-0.7.0/build/rc/bin/kudu-master as pid
> 110706
> F0216 11:27:23.617473 110702 external_mini_cluster.cc:258] Check failed: p
> <= MathLimits<uint16_t>::kMax (110702 vs. 65535) Cannot run on systems with
> >16-bit pid
> *** Check failure stack trace: ***
> {noformat}
> Having this limitation was fine but now it's something everybody hits.
> The workaround is running this:
> {noformat}
> echo "32768" > /proc/sys/kernel/pid_max
> {noformat}



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