[ https://issues.apache.org/jira/browse/CASSANDRA-7344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jeremy Hanna updated CASSANDRA-7344: ------------------------------------ Labels: LWT (was: ) > Read at SERIAL can lead to unnecessary contention > -------------------------------------------------- > > Key: CASSANDRA-7344 > URL: https://issues.apache.org/jira/browse/CASSANDRA-7344 > Project: Cassandra > Issue Type: Improvement > Reporter: sankalp kohli > Assignee: sankalp kohli > Priority: Minor > Labels: LWT > > If two clients are doing a read at serial on the same row, it does a full > prepare step to figure out whether there is any updates or cas in flight or > uncompleted. > This can cause contention between then leading to waste of time in retrying. > One of the request will not get a promise and will need to sleep. > Instead they can check whether there is anything to finish and if not > continue. > If there is something to be done, then they can do the full prepare. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org