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Posted to issues@flink.apache.org by "Andrey Zagrebin (JIRA)" <ji...@apache.org> on 2018/06/04 07:48:00 UTC
[jira] [Created] (FLINK-9511) Make StateDescriptor configurable
with optional TTL
Andrey Zagrebin created FLINK-9511:
--------------------------------------
Summary: Make StateDescriptor configurable with optional TTL
Key: FLINK-9511
URL: https://issues.apache.org/jira/browse/FLINK-9511
Project: Flink
Issue Type: Sub-task
Components: Java API, State Backends, Checkpointing
Affects Versions: 1.6.0
Reporter: Andrey Zagrebin
Fix For: 1.6.0
TTL can be enabled and configured in the constructor of abstract StateDescriptor and become available in all subclasses:
| {code:java}
enum StateTtlUpdateType { Disabled, OnCreateAndWrite, OnReadAndWrite }
enum StateTtlCleanupGuarantee { Relaxed, Exact }
enum TtlStateVisibility { Relaxed, Exact }
class TtlConfig {
StateTtlUpdateType updateType;
StateTtlCleanupGuarantee cleanupStrategy;
TtlStateVisibility stateVisibility;
TimeCharacteristic timeCharacteristic;
long ttl;
}
// previous constructor
StateDescriptor(...) {
this.ttlConfig = ttlConfig.DISABLED;
}
// overloaded constructor with TtlConfig
StateDescriptor(..., ttlConfig) {
...
}
{code}
|
Another option is to consider adding StateDescriptor builder
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