CodingCat opened a new pull request, #2461:
URL: https://github.com/apache/celeborn/pull/2461
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### What changes were proposed in this pull request?
this PR proposes to have more retries when asking for more memory in
SortBasedPusher to increase the success rate
### Why are the changes needed?
in prod, we have a few jobs suffer from the following exception when asking
for more memory in sortbasedpusher,
```
org.apache.spark.memory.SparkOutOfMemoryError: Unable to acquire 1073741824
bytes of memory, got 760427315
```
we can see that it cannot allocate 1G memory but can still get 700+MB which
should be sufficient for handling more records, but still, it failed
we have used this change in our prod env, it successfully mitigate the issue
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
prod
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