feat: Add opportunistic Brotli compression #3612
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Brotli level 4 and 5 offer comparable or better compression to GZip level 9 (which is our default) with better performance. This patch adds opportunistic Brotli compression at level 4 (to be conservative) when it detects the `brotli` module is available. It also provides some escape hatches through `transport_compression_level` and `transport_compression_algo` experiment configs to fine tune the behavior. In the future, we may want to bump the default level from 4 to 5 for better compression.
Codecov ReportAttention: Patch coverage is
✅ All tests successful. No failed tests found.
Additional details and impacted files@@ Coverage Diff @@
## master #3612 +/- ##
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- Coverage 84.27% 84.26% -0.01%
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Files 133 133
Lines 14031 14061 +30
Branches 2957 2964 +7
==========================================
+ Hits 11825 11849 +24
- Misses 1466 1471 +5
- Partials 740 741 +1
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Oct 4, 2024
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Brotli level 4 and 5 offer comparable or better compression to GZip
level 9 (which is our default) with better performance. This patch
adds opportunistic Brotli compression at level 4 (to be conservative)
when it detects the
brotlimodule is available. It also provides someescape hatches through
transport_compression_levelandtransport_compression_algoexperiment configs to fine tune the behavior.In the future, we may want to bump the default level from 4 to 5 for better
compression.