[jira] [Updated] (FLINK-14236) Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition state only
[ https://issues.apache.org/jira/browse/FLINK-14236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zhu Zhu updated FLINK-14236: Fix Version/s: (was: 1.11.0) > Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition > state only > --- > > Key: FLINK-14236 > URL: https://issues.apache.org/jira/browse/FLINK-14236 > Project: Flink > Issue Type: Sub-task > Components: Runtime / Coordination >Affects Versions: 1.10.0 >Reporter: Zhu Zhu >Priority: Major > > The philosophy of lazy_from_sources scheduling is to schedule a task when its > inputs are ready, i.e. when needed result partitions are consumable. It > actually does not directly care whether a task is finished, though a finished > task will lead its partitions to be consumable. > The {{LazyFromSourcesSchedulingStrategy}} currently does lazy scheduling in > two ways: > 1. trigger scheduling on FINISHED execution state for blocking partition > consumers > 2. trigger scheduling on partition consumable events for pipelined partition > consumers > This makes the scheduling decision a bit messy. And it also requires the > {{LazyFromSourcesSchedulingStrategy}} to manage the partition state by > itself, to decide when a partition is consumable, which is not good. > I'd propose to make {{LazyFromSourcesSchedulingStrategy}} do lazy scheduling > only based on partition state. This can make the scheduling decision making > clearer and relieve {{LazyFromSourcesSchedulingStrategy}} from partition > state management. > This work requires FLINK-14234 so that all partition consumable events can be > notified. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (FLINK-14236) Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition state only
[ https://issues.apache.org/jira/browse/FLINK-14236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zhu Zhu updated FLINK-14236: Fix Version/s: (was: 1.10.0) 1.11.0 > Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition > state only > --- > > Key: FLINK-14236 > URL: https://issues.apache.org/jira/browse/FLINK-14236 > Project: Flink > Issue Type: Sub-task > Components: Runtime / Coordination >Affects Versions: 1.10.0 >Reporter: Zhu Zhu >Priority: Major > Fix For: 1.11.0 > > > The philosophy of lazy_from_sources scheduling is to schedule a task when its > inputs are ready, i.e. when needed result partitions are consumable. It > actually does not directly care whether a task is finished, though a finished > task will lead its partitions to be consumable. > The {{LazyFromSourcesSchedulingStrategy}} currently does lazy scheduling in > two ways: > 1. trigger scheduling on FINISHED execution state for blocking partition > consumers > 2. trigger scheduling on partition consumable events for pipelined partition > consumers > This makes the scheduling decision a bit messy. And it also requires the > {{LazyFromSourcesSchedulingStrategy}} to manage the partition state by > itself, to decide when a partition is consumable, which is not good. > I'd propose to make {{LazyFromSourcesSchedulingStrategy}} do lazy scheduling > only based on partition state. This can make the scheduling decision making > clearer and relieve {{LazyFromSourcesSchedulingStrategy}} from partition > state management. > This work requires FLINK-14234 so that all partition consumable events can be > notified. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (FLINK-14236) Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition state only
[ https://issues.apache.org/jira/browse/FLINK-14236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Zhu Zhu updated FLINK-14236: Summary: Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition state only (was: Make LazyFromSourcesSchedulingStrategy do lazy scheduling only based on partition state) > Make LazyFromSourcesSchedulingStrategy do lazy scheduling based on partition > state only > --- > > Key: FLINK-14236 > URL: https://issues.apache.org/jira/browse/FLINK-14236 > Project: Flink > Issue Type: Sub-task > Components: Runtime / Coordination >Affects Versions: 1.10.0 >Reporter: Zhu Zhu >Priority: Major > Fix For: 1.10.0 > > > The philosophy of lazy_from_sources scheduling is to schedule a task when its > inputs are ready, i.e. when needed result partitions are consumable. It > actually does not directly care whether a task is finished, though a finished > task will lead its partitions to be consumable. > The {{LazyFromSourcesSchedulingStrategy}} currently does lazy scheduling in > two ways: > 1. trigger scheduling on FINISHED execution state for blocking partition > consumers > 2. trigger scheduling on partition consumable events for pipelined partition > consumers > This makes the scheduling decision a bit messy. And it also requires the > {{LazyFromSourcesSchedulingStrategy}} to manage the partition state by > itself, to decide when a partition is consumable, which is not good. > I'd propose to make {{LazyFromSourcesSchedulingStrategy}} do lazy scheduling > only based on partition state. This can make the scheduling decision making > clearer and relieve {{LazyFromSourcesSchedulingStrategy}} from partition > state management. > This work requires FLINK-14234 so that all partition consumable events can be > notified. -- This message was sent by Atlassian Jira (v8.3.4#803005)