Is there a way to update column's TTL only?

Hi, We would like to leverage Cassandra's expiration to manage our data's lifecycle. We need to: Delete data after a period, like: 1 hour , when user clicked the "Delete" button. We need to read and insert the column in order to update the TTL, but this is unacceptable in our system that might ne

Re: Is there a way to update column's TTL only?

eletes in a CF and then action them as > a batch process ? > > Cheers > > - > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 5/04/2012, at 2:00 PM, 金剑 wrote: > > Hi, > > We would like t

Cassandra OOM, many deletedColumn

Hi, My version is 1.1.7 Our use case is : we have a index columnfamily to record how many resource is stored for a user. The number might vary from tens to millions. We provide a feature to let user to delete resource according prefix. we found some cassandra will OOM after some period. The

Re: Cassandra OOM, many deletedColumn

eelance Cassandra Developer > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 6/03/2013, at 10:37 PM, Jason Wee wrote: > > hmm.. did you managed to take a look using nodetool tpstats? That may give > you indication further.. > > Jason > > >

Re: Cassandra services down frequently [Version 1.1.4]

It also use off-heap memory out of JVM. SerializingCacheProvider should be one of the case. Best Regards! Jian Jin 2013/4/6 > Thank you Aaron and Bryan for your advice. > > I have changed following parameters and now Cassandra running absolutely > fine. Please review below setting and advice