[build] generate compact execution log - #17977
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Context: Bazel can produce a log file which details action execution for the given build. Its initial version (pre-7.x) was known to be far too large to parse on most cases and it also incurred non-trivial performance penalties (bazelbuild/bazel#23319). The new format (compact) was first released in bazel 7.x and stabilized in bazel 8.x. Since then a number of tools have emerged to analyzed this artifact, and, usually, services that use RE/RC/BES can make use of the execution log to provide more detailed insights on build execution. This patch modifies `.bazelrc` to produce a compact execution log for every build. It also adds the file to `.gitignore` because it shouldn't be checked in.
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This was referenced Sep 9, 2026
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🔗 Related Issues
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💥 What does this PR do?
This patch modifies
.bazelrcto produce a compact execution log for every build. It also adds the file to.gitignorebecause it shouldn't be checked in.🔧 Implementation Notes
Bazel can produce a log file which details action execution for the given build. Its initial version (pre-7.x) was known to be far too large to parse on most cases and it also incurred non-trivial performance penalties (bazelbuild/bazel#23319). The new format (compact) was first released in bazel 7.x and stabilized in bazel 8.x. Since then a number of tools have emerged to analyzed this artifact and, usually, services that offer RE/RC/BES can make use of the execution log to provide more detailed insights on build execution.
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💡 Additional Considerations
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🔄 Types of changes