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djveremix / redis

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Guru Meditation crash every 1-2 days #288

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
This is happening consistently, but so far only in production with a reasonable 
amount of traffic and lots of hashes. 

What is the expected output? What do you see instead?
I expect it not to crash; instead it crashes.

What version of the product are you using? On what operating system?
2.0.0rc2 (shows up as 1.3.15 in INFO output) on CentOS, packaged with this rpm: 
http://github.com/causes/redis-centos

Please provide any additional information below.
The stack trace is attached.

Original issue reported on code.google.com by J4yf...@gmail.com on 20 Jul 2010 at 1:01

Attachments:

GoogleCodeExporter commented 8 years ago 
We've come across this bug earlier and are on top of it.

Original comment by pcnoordh...@gmail.com on 20 Jul 2010 at 8:24

GoogleCodeExporter commented 8 years ago 
J4yferd: thanks for reporting, I wonder if you are using the SORT command there.

Original comment by anti...@gmail.com on 20 Jul 2010 at 4:13

GoogleCodeExporter commented 8 years ago 
Awesome, thanks guys.

My application definitely does not use SORT - I'm watching MONITOR to see 
what's the last command before the crash, and I'll let you know when it happens 
again.

The most common command I'm using is HINCRBY.

Original comment by J4yf...@gmail.com on 20 Jul 2010 at 8:52

GoogleCodeExporter commented 8 years ago 
so for the meantime we have a cron job making sure it's up.

MONITOR has the strangest behavior when it crashes - it seems to output a 
bajillion newlines, which makes it really hard to find the last command.  I've 
been trying to get that last line by redirecting the output to a log file, but 
after the crash, the log file was about 22M of gibberish.  It nearly crashed 
`less`.

I'll keep trying on my end, but let me know if there's any other info you guys 
need.

Original comment by J4yf...@gmail.com on 31 Jul 2010 at 10:01

GoogleCodeExporter commented 8 years ago 
Hello, this bug is fixed as far as we know in Redis 2.0.0 RC4 and Redis master. 
Could you please verify? thanks.

Original comment by anti...@gmail.com on 1 Aug 2010 at 12:16

GoogleCodeExporter commented 8 years ago 
Awesome, thanks guys.  It appears to be resolved in rc4: we've had no crashes 
since yesterday.

Original comment by J4yf...@gmail.com on 3 Aug 2010 at 5:31

GoogleCodeExporter commented 8 years ago

Original comment by anti...@gmail.com on 30 Aug 2010 at 10:56