GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/15397
[SPARK-17834][SQL]Fetch the earliest offsets manually in KafkaSource
instead of counting on KafkaConsumer
## What changes were proposed in this pull request?
Because `KafkaConsumer.poll(0)` may update the partition offsets, this PR
just calls `seekToBeginning` to manually set the earliest offsets for the
KafkaSource initial offsets.
## How was this patch tested?
Existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark SPARK-17834
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15397.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #15397
----
commit 95a0c96f040530f5eec270a2b53b46d195a94b8c
Author: Shixiong Zhu <[email protected]>
Date: 2016-10-07T23:47:15Z
Fetch the earliest offsets manually in KafkaSource instead of counting on
KafkaConsumer
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