Re: ShortReadPartitionsProtection

2021-09-17 Thread Jeff Jirsa
Short read protection is a feature added in 3.0 to work around a possible situation in 2.1 where we could fail to return all rows in a result The basic premise is that when you read, we ask for the same number of rows from all of the replicas involved in the query. It’s possible, with the righ

ShortReadPartitionsProtection

2021-09-17 Thread James Brown
I upgraded a test cluster from 3.11.11 to 4.0.1 today and the following message started appearing the logs fairly regularly: INFO [Native-Transport-Requests-1] ShortReadPartitionsProtection.java:153 - Requesting 4951 extra rows from Full(/10.132.39.33:25469,(8972614703113750908,-91638223484521669