[Managed Iceberg] Fix partition value race condition #33549
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kennknowles
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Jan 9, 2025
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| if (!writers.asMap().containsKey(partitionKey) && openWriters >= maxNumWriters) { | ||
| if (!writers.asMap().containsKey(routingPartitionKey) && openWriters >= maxNumWriters) { |
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nit: You aren't guaranteed that asMap is cheap. It could be linear time to convert from some other underlying data structure. It is better to call get and check if the result was null. (since this is not a LoadingCache you don't have to worry about accidentally creating too many entries)
(maybe think about it for future changes)
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Thanks for the tip, will do
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ahmedabu98
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* fix and update tests * dont mention df yet * add PR link * whitespace
ahmedabu98
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* fix and update tests * dont mention df yet * add PR link * whitespace
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Fixes #33497 (see comment and comment for details)
Also updates tests