What version of Cassandra? https://issues.apache.org/jira/browse/CASSANDRA-7304 sort of addresses this in 2.2+
On Wed, Mar 14, 2018 at 11:32 AM, Madhu-Nosql <odba.ma...@gmail.com> wrote: > Rahul, > > Tomstone caused is on the Application driver side so even though they are > not using some of the Columns in their logic > waht they did is that they mentioned in driver logic that means if you are > updateting one Column so the rest of the Columns so the driver automatically > pick some nulls, internally behind the schnes cassandra threat them as a > Tombstones > > On Wed, Mar 14, 2018 at 12:58 PM, Rahul Singh < > rahul.xavier.si...@gmail.com> wrote: > >> Then don’t write nulls. That’s the root of the issue. Sometimes they >> surface from prepared statements. Othertimes they come because of default >> null values in objects. >> >> -- >> Rahul Singh >> rahul.si...@anant.us >> >> Anant Corporation >> >> On Mar 13, 2018, 2:18 PM -0400, Madhu-Nosql <odba.ma...@gmail.com>, >> wrote: >> >> We assume that's becoz of nulls >> >> On Tue, Mar 13, 2018 at 12:58 PM, Rahul Singh < >> rahul.xavier.si...@gmail.com> wrote: >> >>> Are you writing nulls or does the data cycle that way? >>> >>> -- >>> Rahul Singh >>> rahul.si...@anant.us >>> >>> Anant Corporation >>> >>> On Mar 13, 2018, 11:48 AM -0400, Madhu-Nosql <odba.ma...@gmail.com>, >>> wrote: >>> >>> Rahul, >>> >>> Nodetool scrub is good for rescue, what if its happening all the time? >>> >>> On Tue, Mar 13, 2018 at 10:37 AM, Rahul Singh < >>> rahul.xavier.si...@gmail.com> wrote: >>> >>>> Do you anticipate this happening all the time or are you just trying to >>>> rescue? >>>> >>>> Nodetool scrub can be useful too. >>>> >>>> >>>> -- >>>> Rahul Singh >>>> rahul.si...@anant.us >>>> >>>> Anant Corporation >>>> >>>> On Mar 13, 2018, 11:29 AM -0400, Madhu-Nosql <odba.ma...@gmail.com>, >>>> wrote: >>>> >>>> I got few ways to Drop Tombstones- Chos Monkey/Zombie Data mainly to >>>> avoid Data Resurrection (you deleted data it will comes back in future) >>>> >>>> I am thinking of below options, let me know if you have any best >>>> practice for this >>>> >>>> 1.using nodetool garbagecollect >>>> 2.only_purge_repaired_tombstones >>>> 3.At Table level making GC_Grace_period to zero and compact >>>> >>>> Thanks, >>>> Madhu >>>> >>>> >>> >> >
