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Brandon Williams edited comment on CASSANDRA-18845 at 9/15/23 11:03 AM: ------------------------------------------------------------------------ CASSANDRA-18543 is going to be reverted on CASSANDRA-18854 for causing a regression. The next step for this ticket to move forward will be to create tests that demonstrate the problem and guard against regressions. was (Author: brandon.williams): CASSANDRA-18543 is going to be reverted for causing a regression. The next step for this ticket to move forward will be to create tests that demonstrate the problem and guard against regressions. > Waiting for gossip to settle on live endpoints > ---------------------------------------------- > > Key: CASSANDRA-18845 > URL: https://issues.apache.org/jira/browse/CASSANDRA-18845 > Project: Cassandra > Issue Type: Improvement > Reporter: Cameron Zemek > Priority: Normal > Attachments: 18845-3.11.patch, 18845-4.0.patch, 18845-4.1.patch, > 18845-5.0.patch, image-2023-09-14-11-16-23-020.png > > > This is a follow up to CASSANDRA-18543 > Although that ticket added ability to set cassandra.gossip_settle_min_wait_ms > this is tedious and error prone. On a node just observed a 79 second gap > between waiting for gossip and the first echo response to indicate a node is > UP. > The problem being that do not want to start Native Transport until gossip > settles otherwise queries can fail consistency such as LOCAL_QUORUM as it > thinks the replicas are still in DOWN state. > Instead of having to set gossip_settle_min_wait_ms I am proposing that > (outside single node cluster) wait for UP message from another node before > considering gossip as settled. Eg. > {code:java} > if (currentSize == epSize && currentLive == liveSize && liveSize > > 1) > { > logger.debug("Gossip looks settled."); > numOkay++; > } {code} -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org