[lake] Introduce tiering assignment manager to CoordinatorServer #780
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| private class ExpiredOperationReaper extends ShutdownableThread { | ||
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| public ExpiredOperationReaper() { | ||
| super("ExpiredOperationReaper", false); |
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"LakeTieringExpiredOperationReaper" to distinguish with the name of DelayedOperationManager.ExpiredOperationReaper.
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@wuchong Comments addressed. |
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@wuchong Comments addressed. |
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@luoyuxia please take a look the modified changes. |
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| * Tiering --> |lake tiering report tiering| Failed | ||
| * Tiered -> Scheduled | ||
| * Failed -> Pending | ||
| * ┌─────┐ ┌──────┐ |
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This digram looks cool!
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…che#780) --------- Co-authored-by: Jark Wu <[email protected]>
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…che#780) --------- Co-authored-by: Jark Wu <[email protected]>
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…che#780) --------- Co-authored-by: Jark Wu <[email protected]>
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Purpose
Linked issue: close #433
Brief change log
table.datalake.tiering.intervalto control the data fressness tiered from fluss in datalake.LakeTableTIeringManagerto coordinator server to manage the lifecycle of the lake table to be tiered, the state macheine looks as follows:Then, LakeTiering can requet table from
LakeTableTIeringManager:1: After requet a table, it wil send heartbeat periodically to tell coordiantor the table is still tiering.
2: If the table hasn't been notified to be alive for a while, coordinator will assign the table to another tiering service
3: After tiering service finish one round of tiering for the table, notify the table has finished the tiering via heartbeat. Then
LakeTableTIeringManagerwill waittable.datalake.tiering.intervalto assign the table to other tiering serviceTests
LakeTableTieringManagerTest.
Let's add IT after we introduce RPC in 432
API and Format
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