Column Family Remove Error

(2 posts) (2 voices)

• Started 6 months ago by ctetik
• Latest reply from thobbs
• This topic is not a support question

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1. 

   ctetik
   Member

   Hi,
   I am a newbie in cassandra and opscenter. I inserted about 8 gb data into a column family. Then, I removed it from cassandra by using opscenter. It is removed but the 8 gb data still in the storage. Then, I deleted keyspace but nothing changed. Do you know the reason is because of opscenter, or cassandra or there is something I don't know? I will be appreciated if anybody can help me.

   Posted 6 months ago #
2. 

   thobbs
   Administrator

   ctetik,

   I assume you are looking at the Storage Capacity chart in OpsCenter? If so, what you are seeing is probably due to Cassandra's auto_snapshot behavior (configurable in cassandra.yaml), which automatically takes a snapshot of your data before truncate or drop operations are performed.

   Posted 6 months ago #

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