Our applications are configured to LOCAL_QUORUM on both reads and writes. Lately, we are noticing
com.datastax.driver.core.exceptions.WriteFailureException: Cassandra failure during write query at consistency TWO (2 responses were required but only 1 replica responded, 1 failed).
Not sure where this CL TWO coming from!
Along with this, noticing this below warn in system.log when CL TWO happened.
WARN [MessagingService-Incoming-/x.x.x.x] 2020-05-13 05:47:55,216 MessagingService.java:848 - Backpressure rejection while receiving WRITES.BATCH_STORE from /x.x.x.x