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https://issues.apache.org/jira/browse/FLINK-27056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-27056:
-----------------------------------
Labels: pull-request-available (was: )
> "pipeline.time-characteristic" should be deprecated and have EVENT_TIME as
> default value
> ----------------------------------------------------------------------------------------
>
> Key: FLINK-27056
> URL: https://issues.apache.org/jira/browse/FLINK-27056
> Project: Flink
> Issue Type: Technical Debt
> Components: Runtime / Configuration
> Affects Versions: 1.12.7, 1.13.6, 1.14.4, 1.15.0
> Reporter: Zhanghao Chen
> Priority: Major
> Labels: pull-request-available
>
> *Background*
> # pipeline.time-characteristic is the configuration option used to control
> the time characteristic for all created streams, and has the default value
> _PROCESSING_TIME_ at the point of writing. However, the configuration option
> won't take effect unless it is explicitly set by user as we read it into the
> code by configurtion.getOptional(xx).ifPresent(xx).
> # The default value of _TIME_CHARACTERISTIC_ has been changed from
> _PROCESSING_TIME_ to _EVENT_TIME_ in FLINK-19317 Make EventTime the default
> StreamTimeCharacteristic - ASF JIRA (apache.org)
> # _TIME_CHARACTERISTIC_ and the relevant operations that set or uses it have
> been deprecated in FLINK-19318 Deprecate timeWindow() operations in
> DataStream API - ASF JIRA (apache.org) and FLINK-19319 Deprecate
> StreamExecutionEnvironment.setStreamTimeCharacteristic() and
> TimeCharacteristic - ASF JIRA (apache.org)
> *Proposed Change*
> # {*}{*}pipeline.time-characteristic should be deprecated, just like other
> _TIME_CHARACTERISTIC_ related operations as we no longer want user to set
> this.
> # pipeline.time-characteristic should have the default value of
> {_}EVENT_TIME{_}, to reflect the actual default value in system, and avoid
> misleading users.
> Additionally, I think all configuration options which only take effect when
> it is explicitly set by user (aka those read into the system by
> configurtion.getOptional(xx).ifPresent(xx)), should have no default values.
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