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David Capwell edited comment on CASSANDRA-16850 at 8/24/21, 6:34 PM: --------------------------------------------------------------------- pushed changes to only check enabled once and only once; had to refactor to propagate as ReadCommand is cloned/changed many times for a query [~bdeggleston] let me know what you think was (Author: dcapwell): pushed changes to only check enabled once and only once; had to refactor to propagate as ReadCommand is cloned/changed many times for a query > Add client warnings and abort to tombstone and coordinator reads which go > past a low/high watermark > --------------------------------------------------------------------------------------------------- > > Key: CASSANDRA-16850 > URL: https://issues.apache.org/jira/browse/CASSANDRA-16850 > Project: Cassandra > Issue Type: Improvement > Components: Observability/Logging > Reporter: David Capwell > Assignee: David Capwell > Priority: Normal > Fix For: 4.1 > > Time Spent: 20m > Remaining Estimate: 0h > > We currently will abort queries if we hit too many tombstones, but its common > that we would want to also warn clients (client warnings) about this before > we get that point; its also common that different logic would like to be able > to warn/abort about client options (such as reading a large partition). To > allow this we should add a concept of low/high watermarks (warn/abort) to > tombstones and coordinator reads. > Another issue is that current aborts look the same as a random failure, so > from an SLA point of view it would be good to differentiate between user > behavior being rejected and unexplained issue. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org