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From Saladi Naidu <naidusp2...@yahoo.com>
Subject DROP Table
Date Fri, 10 Jul 2015 16:15:49 GMT
My understanding is that Cassandra File Structure follows below naming convention
/cassandra/data/      <key-spaces> <table> 



Whereas our file structure is as below, each table has multiple names and when we drop tables
and recreate these directories remain. Also when we dropped the table one node was down, when
it came back, we tried to do Nodetool repair and repair kept failing  referring to CFID error
listed below

drwxr-xr-x. 16 cass cass 4096 May 24 06:49 ../

drwxr-xr-x.  4 cass cass 4096 Jul  2 11:09application_by_user-e0eec95019a211e58b954ffc8e9bfaa6/

drwxr-xr-x.  2 cass cass 4096 Jun 25 10:15application_info-4dba2bf0054f11e58b954ffc8e9bfaa6/

drwxr-xr-x.  4 cass cass 4096 Jul  2 11:09application_info-a0ee65d019a311e58b954ffc8e9bfaa6/

drwxr-xr-x.  4 cass cass 4096 Jul  2 11:09configproperties-228ea2e0c13811e4aa1d4ffc8e9bfaa6/

drwxr-xr-x.  4 cass cass 4096 Jul  2 11:09user_activation-95d005f019a311e58b954ffc8e9bfaa6/

drwxr-xr-x.  3 cass cass 4096 Jun 25 10:16user_app_permission-9fddcd62ffbe11e4a25a45259f96ec68/

drwxr-xr-x.  4 cass cass 4096 Jul  2 11:09user_credential-86cfff1019a311e58b954ffc8e9bfaa6/

drwxr-xr-x.  4 cass cass 4096 Jul  2 11:09user_info-2fa076221b1011e58b954ffc8e9bfaa6/

drwxr-xr-x.  2 cass cass 4096 Jun 25 10:15user_info-36028c00054f11e58b954ffc8e9bfaa6/

drwxr-xr-x.  3 cass cass 4096 Jun 25 10:15user_info-fe1d7b101a5711e58b954ffc8e9bfaa6/

drwxr-xr-x.  4 cass cass 4096 Jun 25 10:16user_role-9ed0ca30ffbe11e4b71d09335ad2d5a9/



WARN [Thread-2579] 2015-07-02 16:02:27,523 IncomingTcpConnection.java:91 -UnknownColumnFamilyException
reading from socket; closing

org.apache.cassandra.db.UnknownColumnFamilyException:Couldn't findcfId=218e3c90-1b0e-11e5-a34b-d7c17b3e318a

   atorg.apache.cassandra.db.ColumnFamilySerializer.deserializeCfId(ColumnFamilySerializer.java:164)~[apache-cassandra-2.1.2.jar:2.1.2]

   at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(ColumnFamilySerializer.java:97)~[apache-cassandra-2.1.2.jar:2.1.2]

   atorg.apache.cassandra.db.Mutation$MutationSerializer.deserializeOneCf(Mutation.java:322)~[apache-cassandra-2.1.2.jar:2.1.2]

   at org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:302)~[apache-cassandra-2.1.2.jar:2.1.2]

   atorg.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:330)~[apache-cassandra-2.1.2.jar:2.1.2]

   at org.apache.cassandra.db.Mutation$MutationSerializer.deserialize(Mutation.java:272)~[apache-cassandra-2.1.2.jar:2.1.2]

   at org.apache.cassandra.net.MessageIn.read(MessageIn.java:99)~[apache-cassandra-2.1.2.jar:2.1.2]

   at org.apache.cassandra.net.IncomingTcpConnection.receiveMessage(IncomingTcpConnection.java:168)~[apache-cassandra-2.1.2.jar:2.1.2]

   atorg.apache.cassandra.net.IncomingTcpConnection.receiveMessages(IncomingTcpConnection.java:150)~[apache-cassandra-2.1.2.jar:2.1.2]

   atorg.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:82)~[apache-cassandra-2.1.2.jar:2.1.2]

  Naidu Saladi 

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