riaksearch crashing with "memsup: Erlang has closed"

Pablo Borges pablort at gmail.com
Mon Nov 8 06:10:21 EST 2010

Hey there,

While running a really query that's supposed to return a big (more than 10
million) results, I've seen riaksearch crash with this on erlang.log:

=INFO REPORT==== 7-Nov-2010::23:32:12 ===
Pid <0.448.0> compacted 5 segments for 6825517 bytes in 3.438322 seconds,
1.89 MB/sec

=INFO REPORT==== 7-Nov-2010::23:32:19 ===
    alarm_handler: {set,{process_memory_high_watermark,<0.18557.73>}}

=INFO REPORT==== 7-Nov-2010::23:32:20 ===
Pid <0.428.0> compacted 6 segments for 13988230 bytes in 7.663749 seconds,
1.74 MB/sec

=INFO REPORT==== 7-Nov-2010::23:32:22 ===
Pid <0.468.0> compacted 5 segments for 4049726 bytes in 1.367522 seconds,
2.82 MB/sec
/opt/riaksearch/lib/os_mon-2.2.5/priv/bin/memsup: Erlang has closed
Erlang has closed.

Crash dump was written to: erl_crash.dump
eheap_alloc: Cannot allocate 13593774640 bytes of memory (of type "heap").

The system has 24GB of RAM, so probably memory is not an issue, but maybe
the process_memory_high_watermark is. Any hints ? :)

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