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[Ruby] Fixed quadratic memory usage when appending to arrays. #8364
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haberman
merged 1 commit into
protocolbuffers:master
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haberman:ruby-memory-footprint
Mar 2, 2021
Merged
[Ruby] Fixed quadratic memory usage when appending to arrays. #8364
haberman
merged 1 commit into
protocolbuffers:master
from
haberman:ruby-memory-footprint
Mar 2, 2021
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The code mistakenly called realloc() instead of resize() on every array append, causing quadratic memory usage.
acozzette
approved these changes
Mar 2, 2021
@haberman @acozzette I don't think this made it into 3.15.4 AFAICT and it's mistakenly in the release notes there. https://github.com/protocolbuffers/protobuf/blob/v3.15.4/ruby/ext/google/protobuf_c/ruby-upb.c#L6666 |
This was referenced Mar 7, 2021
This was referenced Mar 14, 2021
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The code mistakenly called realloc() instead of resize() on every
array append, causing quadratic memory usage.
This fixes the problem reported in #8337 (comment)