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* glog: add --log_rotate_hours flag for time-based log rotation SeaweedFS previously only rotated log files when they reached MaxSize (1.8 GB). Long-running deployments with low log volume could accumulate log files indefinitely with no way to force rotation on a schedule. This change adds the --log_rotate_hours flag. When set to a non-zero value, the current log file is rotated once it has been open for the specified number of hours, regardless of its size. Implementation details: - New flag --log_rotate_hours (int, default 0 = disabled) in glog_file.go - Added createdAt time.Time field to syncBuffer to track file open time - rotateFile() sets createdAt to the time the new file is opened - Write() checks elapsed time and triggers rotation when the threshold is exceeded, consistent with the existing size-based check This resolves the long-standing request for time-based rotation and helps prevent unbounded log accumulation in /tmp on production systems. Related: #3455, #5763, #8336 * glog: default log_rotate_hours to 168 (7 days) Enable time-based rotation by default so log files don't accumulate indefinitely in long-running deployments. Set to 0 to disable. * glog: simplify rotation logic by combining size and time conditions Merge the two separate rotation checks into a single block to eliminate duplicated rotateFile error handling. * glog: use timeNow() in syncBuffer.Write and add time-based rotation test Use the existing testable timeNow variable instead of time.Now() in syncBuffer.Write so that time-based rotation can be tested with a mocked clock. Add TestTimeBasedRollover that verifies: - no rotation occurs before the interval elapses - rotation triggers after the configured hours --------- Co-authored-by: Copilot <copilot@github.com>
36 KiB
36 KiB