Re: minor compaction and delete expired column-tombstones

2012-09-17 Thread aaron morton
Does minor compaction delete expired column-tombstones when the row is also present in another table which is No. Compaction is per Column Family. Tombstones will be expired by Minor Compaction if all fragments of the row are contained in the SSTables being compacted. Cheers

Re: minor compaction and delete expired column-tombstones

2012-09-17 Thread Rene Kochen
-collect issues because of this). Is it not advised to use rows with many new column creates/deletes (because of how minor compactions work)? Thanks! Rene 2012/9/17 aaron morton aa...@thelastpickle.com: Does minor compaction delete expired column-tombstones when the row is also present in another

Re: minor compaction and delete expired column-tombstones

2012-09-17 Thread Josep Blanquer
to use rows with many new column creates/deletes (because of how minor compactions work)? Thanks! Rene 2012/9/17 aaron morton aa...@thelastpickle.com: Does minor compaction delete expired column-tombstones when the row is also present in another table which is No. Compaction is per

Re: minor compaction and delete expired column-tombstones

2012-09-17 Thread Sylvain Lebresne
Is there any JIRA or enhancement to perhaps be able to detect when certain column tombstones can be deleted in minor compactions? The new introduction of SSTable min-max timestamps might help? or perhaps there are new ones coming up that I'm not aware of

minor compaction and delete expired column-tombstones

2012-09-14 Thread Rene Kochen
Hi all, Does minor compaction delete expired column-tombstones when the row is also present in another table which is not subject to the minor compaction? Example: Say there are 5 SStables: - Customers_0 (10 MB) - Customers_1 (10 MB) - Customers_2 (10 MB) - Customers_3 (10 MB) - Customers_4