Are you using collections? — Jon Haddad Rustyrazorblade Consulting rustyrazorblade.com
On Tue, Oct 8, 2024 at 10:52 PM Naman kaushik <namankaush...@gmail.com> wrote: > Hi Community, > > We are currently using Cassandra version 4.1.3 and have encountered an > issue related to tombstone generation. We have two tables storing monthly > data: table_september and table_october. Each table has a TTL of 30 days. > > For the month of October, data is being inserted into the table_october, > and we are seeing the following warning at the start of the month: > > *WARN [CompactionExecutor:22030] 2024-10-07 16:37:16,376 > BigTableWriter.java:274 - Writing 102594 tombstones to **table_october* > > *Here are a few things to note*: > > - No update or delete operations are being performed on the table. > - TTL is correctly set to 30 days, and the data being inserted is > within this time range, so the TTL shouldn't be the reason for tombstones. > - No null values are being inserted in any column. > > We are still seeing tombstones being generated for the October table. Does > anyone have insights into what could be causing these tombstones, or how we > can prevent this from happening? > > Any help would be greatly appreciated! > > Thanks in advance. >
