[jira] [Updated] (FLINK-24464) Metrics sometimes report negative backlog
[ https://issues.apache.org/jira/browse/FLINK-24464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] ASF GitHub Bot updated FLINK-24464: --- Labels: pull-request-available (was: ) > Metrics sometimes report negative backlog > - > > Key: FLINK-24464 > URL: https://issues.apache.org/jira/browse/FLINK-24464 > Project: Flink > Issue Type: Improvement > Components: Stateful Functions >Affects Versions: statefun-3.1.0 >Reporter: Seth Wiesman >Assignee: Seth Wiesman >Priority: Major > Labels: pull-request-available > > As reported > [here|https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions], > the backlog metric sometimes reports a negative value. This is because the > current count is stored in an in-memory variable, while the value used to > decrement the count as the backlog clears is stored in Flink state. In the > case of a job restart, the in-memory variable is reset to zero (it is a new > instance) while the numbers in state are retained. > > A negative backlog is non-sensical, confusing, and should be prevented. > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (FLINK-24464) Metrics sometimes report negative backlog
[ https://issues.apache.org/jira/browse/FLINK-24464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Seth Wiesman updated FLINK-24464: - Affects Version/s: statefun-3.1.0 > Metrics sometimes report negative backlog > - > > Key: FLINK-24464 > URL: https://issues.apache.org/jira/browse/FLINK-24464 > Project: Flink > Issue Type: Improvement > Components: Stateful Functions >Affects Versions: statefun-3.1.0 >Reporter: Seth Wiesman >Priority: Major > > As report > [here|[https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions]] > the backlog metric sometimes reports a negative value. This is because the > current count is stored in an in-memory variable, while the value used to > decrement the count as the backlog clears is stored in Flink state. In the > case of a job restart, the in-memory variable is reset to zero (it is a new > instance) while the numbers in state are retained. > > A negative backlog is non-sensical, confusing, and should be prevented. > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (FLINK-24464) Metrics sometimes report negative backlog
[ https://issues.apache.org/jira/browse/FLINK-24464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Seth Wiesman updated FLINK-24464: - Description: As reported [here|https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions], the backlog metric sometimes reports a negative value. This is because the current count is stored in an in-memory variable, while the value used to decrement the count as the backlog clears is stored in Flink state. In the case of a job restart, the in-memory variable is reset to zero (it is a new instance) while the numbers in state are retained. A negative backlog is non-sensical, confusing, and should be prevented. was: As report [here|[https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions]] the backlog metric sometimes reports a negative value. This is because the current count is stored in an in-memory variable, while the value used to decrement the count as the backlog clears is stored in Flink state. In the case of a job restart, the in-memory variable is reset to zero (it is a new instance) while the numbers in state are retained. A negative backlog is non-sensical, confusing, and should be prevented. > Metrics sometimes report negative backlog > - > > Key: FLINK-24464 > URL: https://issues.apache.org/jira/browse/FLINK-24464 > Project: Flink > Issue Type: Improvement > Components: Stateful Functions >Affects Versions: statefun-3.1.0 >Reporter: Seth Wiesman >Priority: Major > > As reported > [here|https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions], > the backlog metric sometimes reports a negative value. This is because the > current count is stored in an in-memory variable, while the value used to > decrement the count as the backlog clears is stored in Flink state. In the > case of a job restart, the in-memory variable is reset to zero (it is a new > instance) while the numbers in state are retained. > > A negative backlog is non-sensical, confusing, and should be prevented. > -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (FLINK-24464) Metrics sometimes report negative backlog
[ https://issues.apache.org/jira/browse/FLINK-24464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Seth Wiesman updated FLINK-24464: - Description: As report [here|[https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions]] the backlog metric sometimes reports a negative value. This is because the current count is stored in an in-memory variable, while the value used to decrement the count as the backlog clears is stored in Flink state. In the case of a job restart, the in-memory variable is reset to zero (it is a new instance) while the numbers in state are retained. A negative backlog is non-sensical, confusing, and should be prevented. was: As report [here| [https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions]] the backlog metric sometimes reports a negative value. This is because the current count is stored in an in-memory variable, while the value used to decrement the count as the backlog clears is stored in Flink state. In the case of a job restart, the in-memory variable is reset to zero (it is a new instance) while the numbers in state are retained. A negative backlog is non-sensical, confusing, and should be prevented. > Metrics sometimes report negative backlog > - > > Key: FLINK-24464 > URL: https://issues.apache.org/jira/browse/FLINK-24464 > Project: Flink > Issue Type: Improvement > Components: Stateful Functions >Reporter: Seth Wiesman >Priority: Major > > As report > [here|[https://stackoverflow.com/questions/69441309/negative-backlog-in-apache-flink-stateful-functions]] > the backlog metric sometimes reports a negative value. This is because the > current count is stored in an in-memory variable, while the value used to > decrement the count as the backlog clears is stored in Flink state. In the > case of a job restart, the in-memory variable is reset to zero (it is a new > instance) while the numbers in state are retained. > > A negative backlog is non-sensical, confusing, and should be prevented. > -- This message was sent by Atlassian Jira (v8.3.4#803005)
