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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: cassandra goes infinite loop and data lost.....
Date Thu, 14 Jul 2011 05:36:04 GMT
That says "I'm collecting data to answer requests."

I don't see anything here that indicates an infinite loop.

I do see that it's saying "N of 2147483647" which looks like you're
doing slices with a much larger limit than is advisable (good way to
OOM the way you already did).

On Wed, Jul 13, 2011 at 8:27 PM, Yan Chunlu <springrider@gmail.com> wrote:
> I gave cassandra 8GB heap size and somehow it run out of memory and crashed.
> after I start it, it just runs in to the following infinite loop, the last
> line:
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 0 of 2147483647: 100zs:false:14@1310168625866434
> goes for ever
> I have 3 nodes and RF=2, so I am losing data. is that means I am screwed and
> can't get it back?
> DEBUG [main] 2011-07-13 22:19:00,585 SliceQueryFilter.java (line 123)
> collecting 20 of 2147483647: q74k:false:14@1308886095008943
> DEBUG [main] 2011-07-13 22:19:00,585 SliceQueryFilter.java (line 123)
> collecting 0 of 2147483647: 10fbu:false:1@1310223075340297
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 0 of 2147483647: apbg:false:13@1305641597957086
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 1 of 2147483647: auje:false:13@1305641597957075
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 2 of 2147483647: ayj8:false:13@1305641597957060
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 3 of 2147483647: b4fz:false:13@1305641597957096
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 0 of 2147483647: 100zs:false:14@1310168625866434
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 1 of 2147483647: 1017f:false:14@1310168680375612
> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
> collecting 2 of 2147483647: 1018e:false:14@1310168759614715
> DEBUG [main] 2011-07-13 22:19:00,587 SliceQueryFilter.java (line 123)
> collecting 3 of 2147483647: 101dd:false:14@1310169260225339
>
> On Thu, Jul 14, 2011 at 11:27 AM, Yan Chunlu <springrider@gmail.com> wrote:
>>
>> DEBUG [main] 2011-07-13 22:19:00,586 SliceQueryFilter.java (line 123)
>> collecting 0 of 2147483647: 100zs:false:14@1310168625866434
>
>
> --
> 闫春路
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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