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From Yulian Oifa <oifa.yul...@gmail.com>
Subject Re: Cassandra Read Timeout
Date Tue, 24 Feb 2015 17:05:12 GMT
Hello
I am running 1.2.19
Best regards
Yulian Oifa

On Tue, Feb 24, 2015 at 6:57 PM, Marcelo Valle (BLOOMBERG/ LONDON) <
mvallemilita@bloomberg.net> wrote:

> Super column? Out of curiosity, which Cassandra version are you running?
>
>
> From: user@cassandra.apache.org
> Subject: Re: Cassandra Read Timeout
>
> Hello
> The structure is the same , the CFs are super column CFs , where key is
> long  ( timestamp to partition the index , so each 11 days new row is
> created ) , super Column is int32 and columns / values are timeuuids.I am
> running same queries , getting reversed slice by raw key and super column.
> The number of reads is relatively high on second CF since i am testing it
> several hours already , most of time there are no requests for read on both
> of them , only writes.There is at most 1 read request in 20-30 seconds so
> it should not create a load.There is also no reads ( 0 before and 1 after )
> pending on tpstats.
> Please also note that queries on different row same super column , and
> same row , different super column are working , and if i am not mistaken
> cassandra is loading complete raw including all super columns to memory (
> either any request to this row should fail if this would be a memory
> problem , or none...).
>
> Best regards
> Yulian Oifa
>
>
>

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