Chesnay Schepler created FLINK-7582:
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Summary: Rest client may buffer responses indefinitely under heavy
laod
Key: FLINK-7582
URL: https://issues.apache.org/jira/browse/FLINK-7582
Project: Flink
Issue Type: Bug
Components: REST
Affects Versions: 1.4.0
Reporter: Chesnay Schepler
Assignee: Chesnay Schepler
Fix For: 1.4.0
The RestClient uses an executor for sending requests and parsing responses.
Under heavy load, i.e. lots of requests being sent, the executor may be used
exclusively for sending requests. The responses that are received by the netty
threads are thus never parsed and are buffered in memory, until either requests
stop coming in or all memory is used up.
We should let the netty receiver thread do the parsing as well.
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