Re: SSTable Ancestors information in Cassandra 3.0.x

Thanks Jeff. Rajath Subramanyam On Thu, Mar 23, 2017 at 4:50 PM, Jeff Jirsa wrote: > The ancestors were used primarily to clean up leftovers in the case that > cassandra was killed right as compaction finished, where the > source/origin/ancestors

Re: SSTable Ancestors information in Cassandra 3.0.x

The ancestors were used primarily to clean up leftovers in the case that cassandra was killed right as compaction finished, where the source/origin/ancestors were still on the disk at the same time as the compaction result. It's not timestamp based, though - that compaction process has moved to

Re: SSTable Ancestors information in Cassandra 3.0.x

Thanks, Jeff. Did all the internal tasks and the compaction tasks move to a timestamp-based approach? Regards, Rajath Rajath Subramanyam On Thu, Mar 23, 2017 at 2:12 PM, Jeff Jirsa wrote: > That information was removed, because it was really meant

Re: SSTable Ancestors information in Cassandra 3.0.x

That information was removed, because it was really meant to be used for a handful of internal tasks, most of which were no longer used. The remaining use was cleaning up compaction leftovers, and the compaction leftover code was rewritten in 3.0 / CASSANDRA-7066 (note, though, that it's somewhat

SSTable Ancestors information in Cassandra 3.0.x

Hello Cassandra-Users and Cassandra-dev, One of the handy features in sstablemetadata that was part of Cassandra 2.1.15 was that it displayed Ancestor information of an SSTable. Here is a sample output of the sstablemetadata tool with the ancestors information in C* 2.1.15: [centos@chen-datos