Thanks Hiro & Jeff
Jeff,
My LWT(Insert if not exists) query is executed in parallel by 6 threads,
with a possibility of collision.
So, all threads may request to write same data on Cassandra tables.
What would you suggest here ?
Hiro,
i am using Datastax Mapper & Accessor for this.
Something
The existing 15 node cluster had about 450-500GB/node, most in one TWCS
table. Data is applied with a 7-day TTL. Our cluster couldn't be expanded
due to a bit of political foot dragging and new load of about 2x-3x started
up around the time we started expanding.
about 500 sstables per node, with
Do you also set SERIAL CONSISTENCY properly ?
https://docs.datastax.com/en/archived/cql/3.3/cql/cql_reference/cqlshSerialConsistency.html
Hiro
On Tue, Jul 9, 2019 at 2:25 PM Jeff Jirsa wrote:
>
> If applied is false it’s not the first write, the value already exists.
> You’ve likely got a
