[rrd-users] rrdcached communication via socket.

[Steve Shipway]

> When updating rrd files I get no errors, but when I manually flush data, the
> following occurs:
> 
> Jul 17 12:33:39 host rrdcached[25309]: queue_thread_main: rrd_update_r
> (/tmp/test.rrd) failed with status -1. (mmaping file '/tmp/test.rrd':
> Invalid argument)

Does the /tmp/test.rrd file actually exist?  I'd expect this if the file didn't exist - or if it had incorrect permissions.  Are you using SELinux and it's blocking the write maybe?

mmap seems to be at the root of a lot of issues, it’s a shame there isn't a commandline switch to disable it.

Steve


Steve Shipway
ITS Unix Services Design Lead
University of Auckland, New Zealand
Floor 1, 58 Symonds Street, Auckland
Phone: +64 (0)9 3737599 ext 86487
DDI: +64 (0)9 924 6487
Mobile: +64 (0)21 753 189
Email: s.shipway at auckland.ac.nz
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