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https://issues.apache.org/jira/browse/SPARK-17812?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cody Koeninger updated SPARK-17812:
-----------------------------------
Description:
Right now you can only run a Streaming Query starting from either the earliest
or latests offsets available at the moment the query is started. Sometimes
this is a lot of data. It would be nice to be able to do the following:
- seek to user specified offsets for manually specified topicpartitions
currently agreed on plan:
Mutually exclusive subscription options (only assign is new to this ticket)
{noformat}
.option("subscribe","topicFoo,topicBar")
.option("subscribePattern","topic.*")
.option("assign","""{"topicfoo": [0, 1],"topicbar": [0, 1]}""")
{noformat}
where assign can only be specified that way, no inline offsets
Single starting position option with three mutually exclusive types of value
{noformat}
.option("startingOffsets", "earliest" | "latest" | """{"topicFoo": {"0": 1234,
"1": -2}, "topicBar":{"0": -1}}""")
{noformat}
startingOffsets with json fails if any topicpartition in the assignments
doesn't have an offset.
was:
Right now you can only run a Streaming Query starting from either the earliest
or latests offsets available at the moment the query is started. Sometimes
this is a lot of data. It would be nice to be able to do the following:
- seek to user specified offsets for manually specified topicpartitions
> More granular control of starting offsets (assign)
> --------------------------------------------------
>
> Key: SPARK-17812
> URL: https://issues.apache.org/jira/browse/SPARK-17812
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Cody Koeninger
>
> Right now you can only run a Streaming Query starting from either the
> earliest or latests offsets available at the moment the query is started.
> Sometimes this is a lot of data. It would be nice to be able to do the
> following:
> - seek to user specified offsets for manually specified topicpartitions
> currently agreed on plan:
> Mutually exclusive subscription options (only assign is new to this ticket)
> {noformat}
> .option("subscribe","topicFoo,topicBar")
> .option("subscribePattern","topic.*")
> .option("assign","""{"topicfoo": [0, 1],"topicbar": [0, 1]}""")
> {noformat}
> where assign can only be specified that way, no inline offsets
> Single starting position option with three mutually exclusive types of value
> {noformat}
> .option("startingOffsets", "earliest" | "latest" | """{"topicFoo": {"0":
> 1234, "1": -2}, "topicBar":{"0": -1}}""")
> {noformat}
> startingOffsets with json fails if any topicpartition in the assignments
> doesn't have an offset.
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