Github user tzulitai commented on the issue:
https://github.com/apache/flink/pull/2861
Thanks! There wasn't any discussion on switching to a pure HTTP client, but
we might need to take into consideration the effort it will take and benefits
the result will offer if we were to go for that.
Regarding handling the `Throwable`: I'm currently trying out
`BulkItemResponse.getFailure().getStatus` which returns a `RestStatus`. From
the Javadocs, it seems like we can just target some of the status codes:
https://www.javadoc.io/doc/org.elasticsearch/elasticsearch/2.3.5. I'm currently
thinking about just handling `TOO_MANY_REQUESTS` (ex. EsRejectedExecutionEx is
one of these) and `INTERNAL_SERVER_ERROR` (the timeout exception has this
code). What do you think?
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