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Summary: This makes it easier to debug with tools like `ps`. The change only applies to builds with glibc 2.30+ and _GNU_SOURCE extensions enabled. We could adopt it in more cases by using the syscall but this is enough for our build. Replaces https://github.com/facebook/rocksdb/issues/2973. Pull Request resolved: https://github.com/facebook/rocksdb/pull/9164 Test Plan: - ran some benchmarks and correlated logged thread IDs with those shown by `ps -L`. - verified no noticeable regression in throughput for log heavy (more than 700k log lines and over 5k / second) scenario. Benchmark command: ``` $ TEST_TMPDIR=/dev/shm ./db_bench -benchmarks=filluniquerandom -compression_type=none -max_bytes_for_level_multiplier=2 -write_buffer_size=262144 -num_levels=7 -max_bytes_for_level_base=2097152 -target_file_size_base=524288 -level_compaction_dynamic_level_bytes=true -max_background_jobs=12 -num=20000000 ``` Results before: 15.9MB/s, 15.8MB/s, 16.0MB/s Results after: 16.3MB/s, 16.3MB/s, 15.8MB/s - Rely on CI to test the fallback behavior Reviewed By: riversand963 Differential Revision: D32399660 Pulled By: ajkr fbshipit-source-id: c24d44fdf7782faa616ef0a0964eaca3539d9c24 |
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| .. | ||
| auto_roll_logger.cc | ||
| auto_roll_logger.h | ||
| auto_roll_logger_test.cc | ||
| env_logger.h | ||
| env_logger_test.cc | ||
| event_logger.cc | ||
| event_logger.h | ||
| event_logger_test.cc | ||
| log_buffer.cc | ||
| log_buffer.h | ||
| logging.h | ||
| posix_logger.h | ||