[jira] [Updated] (CASSANDRA-13373) Provide additional speculative retry statistics
[ https://issues.apache.org/jira/browse/CASSANDRA-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-13373: --- Fix Version/s: (was: 4.x) 4.0 > Provide additional speculative retry statistics > --- > > Key: CASSANDRA-13373 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13373 > Project: Cassandra > Issue Type: Improvement > Components: Observability >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg > Fix For: 4.0 > > > Right now there is a single metric for speculative retry on reads that is the > number of speculative retries attempted. You can't tell how many of those > actually succeeded in salvaging the read. > The metric is also per table and there is no keyspace level rollup as there > is for several other metrics. > Add a metric that counts reads that attempt to speculate but fail to complete > before the timeout (ignoring read errors). > Add a rollup metric for the current count of speculation attempts as well as > the count of failed speculations. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Updated] (CASSANDRA-13373) Provide additional speculative retry statistics
[ https://issues.apache.org/jira/browse/CASSANDRA-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-13373: --- Resolution: Fixed Status: Resolved (was: Ready to Commit) Committed as [2c6924b561ddf0b0df9315946b21260d6e27fdb9|https://github.com/apache/cassandra/commit/2c6924b561ddf0b0df9315946b21260d6e27fdb9] > Provide additional speculative retry statistics > --- > > Key: CASSANDRA-13373 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13373 > Project: Cassandra > Issue Type: Improvement > Components: Observability >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg > Fix For: 4.x > > > Right now there is a single metric for speculative retry on reads that is the > number of speculative retries attempted. You can't tell how many of those > actually succeeded in salvaging the read. > The metric is also per table and there is no keyspace level rollup as there > is for several other metrics. > Add a metric that counts reads that attempt to speculate but fail to complete > before the timeout (ignoring read errors). > Add a rollup metric for the current count of speculation attempts as well as > the count of failed speculations. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Updated] (CASSANDRA-13373) Provide additional speculative retry statistics
[ https://issues.apache.org/jira/browse/CASSANDRA-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Blake Eggleston updated CASSANDRA-13373: Status: Ready to Commit (was: Patch Available) > Provide additional speculative retry statistics > --- > > Key: CASSANDRA-13373 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13373 > Project: Cassandra > Issue Type: Improvement > Components: Observability >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg > Fix For: 4.x > > > Right now there is a single metric for speculative retry on reads that is the > number of speculative retries attempted. You can't tell how many of those > actually succeeded in salvaging the read. > The metric is also per table and there is no keyspace level rollup as there > is for several other metrics. > Add a metric that counts reads that attempt to speculate but fail to complete > before the timeout (ignoring read errors). > Add a rollup metric for the current count of speculation attempts as well as > the count of failed speculations. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Updated] (CASSANDRA-13373) Provide additional speculative retry statistics
[ https://issues.apache.org/jira/browse/CASSANDRA-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Blake Eggleston updated CASSANDRA-13373: Reviewer: Blake Eggleston > Provide additional speculative retry statistics > --- > > Key: CASSANDRA-13373 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13373 > Project: Cassandra > Issue Type: Improvement > Components: Observability >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg > Fix For: 4.x > > > Right now there is a single metric for speculative retry on reads that is the > number of speculative retries attempted. You can't tell how many of those > actually succeeded in salvaging the read. > The metric is also per table and there is no keyspace level rollup as there > is for several other metrics. > Add a metric that counts reads that attempt to speculate but fail to complete > before the timeout (ignoring read errors). > Add a rollup metric for the current count of speculation attempts as well as > the count of failed speculations. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Updated] (CASSANDRA-13373) Provide additional speculative retry statistics
[ https://issues.apache.org/jira/browse/CASSANDRA-13373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ariel Weisberg updated CASSANDRA-13373: --- Status: Patch Available (was: Open) > Provide additional speculative retry statistics > --- > > Key: CASSANDRA-13373 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13373 > Project: Cassandra > Issue Type: Improvement > Components: Observability >Reporter: Ariel Weisberg >Assignee: Ariel Weisberg > Fix For: 4.x > > > Right now there is a single metric for speculative retry on reads that is the > number of speculative retries attempted. You can't tell how many of those > actually succeeded in salvaging the read. > The metric is also per table and there is no keyspace level rollup as there > is for several other metrics. > Add a metric that counts reads that attempt to speculate but fail to complete > before the timeout (ignoring read errors). > Add a rollup metric for the current count of speculation attempts as well as > the count of failed speculations. -- This message was sent by Atlassian JIRA (v6.3.15#6346)
