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From Shamim <sre...@yandex.ru>
Subject Re: CDH4 + Cassandra 1.2 Integration Issue
Date Wed, 10 Apr 2013 06:29:10 GMT
Hello, 
  if you created your table <user> with cql then you have to add COMPACT STORAGE as
follows:
CREATE TABLE user (
  id int PRIMARY KEY,
  age int,
  fname text,
  lname text
) WITH COMPACT STORAGE




-- 
Best regards
  Shamim A.



10.04.2013, 08:22, "Gurminder Gill" <gurminder_g@hotmail.com>:
> I was able to start a MR job after patching Cassandra.Hadoop as per CASSANDRA-5201.
>
> But then, ColumnFamilyRecordReader pukes within the MapTask. It is unable to read CF definition in
the sample keyspace. The CF "user" does exist.
> How can "cf_defs" below be possibly empty? Any pointers?
>
> KsDef.toString() during Read Operation from within the MapTask :-
>
> KsDef(name:wordcount, strategy_class:org.apache.cassandra.locator.SimpleStrategy, strategy_options:{replication_factor=1},
cf_defs:[], durable_writes:true)
>
> Output from cqlsh :-
>
> cqlsh> describe keyspace wordcount;
>
> CREATE KEYSPACE wordcount WITH replication = {
>   'class': 'SimpleStrategy',
>   'replication_factor': '1'
> };
>
> USE wordcount;
>
> CREATE TABLE user (
>   id int PRIMARY KEY,
>   age int,
>   fname text,
>   lname text
> ) WITH
>   bloom_filter_fp_chance=0.010000 AND
>   caching='KEYS_ONLY' AND
>   comment='' AND
>   dclocal_read_repair_chance=0.000000 AND
>   gc_grace_seconds=864000 AND
>   read_repair_chance=0.100000 AND
>   replicate_on_write='true' AND
>   compaction={'class': 'SizeTieredCompactionStrategy'} AND
>   compression={'sstable_compression': 'SnappyCompressor'};

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