[==========] Running 2 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 2 tests from MultiThreadedLogTest
[ RUN      ] MultiThreadedLogTest.TestAppends
WARNING: Logging before InitGoogleLogging() is written to STDERR
I20260812 08:03:58.295396 25822 file_cache.cc:504] Constructed file cache log-test-base with capacity 5
I20260812 08:03:58.296283 25822 fs_manager.cc:362] Metadata directory not provided
I20260812 08:03:58.296350 25822 fs_manager.cc:368] Using write-ahead log directory (fs_wal_dir) as metadata directory
I20260812 08:03:58.298034 25822 fs_manager.cc:1068] Generated new instance metadata in path /tmp/dist-test-taskVnW84p/test-tmp/mt-log-test.0.MultiThreadedLogTest.TestAppends.1786521838288288-25822-0/fs_root/instance:
uuid: "b35e8105b90942feb17523acc9870f40"
format_stamp: "Formatted at 2026-08-12 08:03:58 on dist-test-slave-bt4h"
I20260812 08:03:58.301470 25822 fs_manager.cc:696] Time spent creating directory manager: real 0.003s	user 0.005s	sys 0.000s
I20260812 08:03:58.303433 25829 log_block_manager.cc:4127] Time spent loading block containers with low live blocks: real 0.000s	user 0.000s	sys 0.000s
I20260812 08:03:58.304030 25822 fs_report.cc:389] FS layout report
--------------------
wal directory: 
metadata directory: 
1 data directories: /tmp/dist-test-taskVnW84p/test-tmp/mt-log-test.0.MultiThreadedLogTest.TestAppends.1786521838288288-25822-0/fs_root/data
Total live blocks: 0
Total live bytes: 0
Total live bytes (after alignment): 0
Total number of LBM containers: 0 (0 full)
Did not check for missing blocks
Did not check for orphaned blocks
Total full LBM containers with extra space: 0 (0 repaired)
Total full LBM container extra space in bytes: 0 (0 repaired)
Total incomplete LBM containers: 0 (0 repaired)
Total LBM partial records: 0 (0 repaired)
Total corrupted LBM metadata records in RocksDB: 0 (0 repaired)
I20260812 08:03:58.304442 25822 fs_manager.cc:730] Time spent opening block manager: real 0.002s	user 0.002s	sys 0.000s
I20260812 08:03:58.304497 25822 fs_manager.cc:647] Opened local filesystem: /tmp/dist-test-taskVnW84p/test-tmp/mt-log-test.0.MultiThreadedLogTest.TestAppends.1786521838288288-25822-0/fs_root
uuid: "b35e8105b90942feb17523acc9870f40"
format_stamp: "Formatted at 2026-08-12 08:03:58 on dist-test-slave-bt4h"
I20260812 08:03:58.304946 25822 hybrid_clock.cc:584] initializing the hybrid clock with 'system_unsync' time source
W20260812 08:03:58.305013 25822 system_unsync_time.cc:38] NTP support is disabled. Clock error bounds will not be accurate. This configuration is not suitable for distributed clusters.
I20260812 08:03:58.305063 25822 hybrid_clock.cc:648] HybridClock initialized: now 1786521838305059 us; error 0 us; skew 500 ppm
I20260812 08:03:58.306236 25822 log.cc:826] T test-log-tablet P b35e8105b90942feb17523acc9870f40: Log is configured to *not* fsync() on all Append() calls
I20260812 08:03:59.093549 25822 mt-log-test.cc:240] Time spent inserting 8000 batches(4 threads, 2000 per-thread): real 0.785s	user 0.001s	sys 0.001s
[       OK ] MultiThreadedLogTest.TestAppends (1096 ms)
[ RUN      ] MultiThreadedLogTest.TestAppendThreadStartStopRaces
I20260812 08:03:59.390430 25822 file_cache.cc:504] Constructed file cache log-test-base with capacity 5
I20260812 08:03:59.390756 25822 fs_manager.cc:362] Metadata directory not provided
I20260812 08:03:59.390802 25822 fs_manager.cc:368] Using write-ahead log directory (fs_wal_dir) as metadata directory
I20260812 08:03:59.391197 25822 fs_manager.cc:1068] Generated new instance metadata in path /tmp/dist-test-taskVnW84p/test-tmp/mt-log-test.0.MultiThreadedLogTest.TestAppendThreadStartStopRaces.1786521838288288-25822-0/fs_root/instance:
uuid: "3cf2ada166a1465d8f91d42445a7ee56"
format_stamp: "Formatted at 2026-08-12 08:03:59 on dist-test-slave-bt4h"
I20260812 08:03:59.392681 25822 fs_manager.cc:696] Time spent creating directory manager: real 0.001s	user 0.001s	sys 0.001s
I20260812 08:03:59.393674 25844 log_block_manager.cc:4127] Time spent loading block containers with low live blocks: real 0.000s	user 0.000s	sys 0.000s
I20260812 08:03:59.393926 25822 fs_report.cc:389] FS layout report
--------------------
wal directory: 
metadata directory: 
1 data directories: /tmp/dist-test-taskVnW84p/test-tmp/mt-log-test.0.MultiThreadedLogTest.TestAppendThreadStartStopRaces.1786521838288288-25822-0/fs_root/data
Total live blocks: 0
Total live bytes: 0
Total live bytes (after alignment): 0
Total number of LBM containers: 0 (0 full)
Did not check for missing blocks
Did not check for orphaned blocks
Total full LBM containers with extra space: 0 (0 repaired)
Total full LBM container extra space in bytes: 0 (0 repaired)
Total incomplete LBM containers: 0 (0 repaired)
Total LBM partial records: 0 (0 repaired)
Total corrupted LBM metadata records in RocksDB: 0 (0 repaired)
I20260812 08:03:59.394066 25822 fs_manager.cc:730] Time spent opening block manager: real 0.001s	user 0.001s	sys 0.000s
I20260812 08:03:59.394115 25822 fs_manager.cc:647] Opened local filesystem: /tmp/dist-test-taskVnW84p/test-tmp/mt-log-test.0.MultiThreadedLogTest.TestAppendThreadStartStopRaces.1786521838288288-25822-0/fs_root
uuid: "3cf2ada166a1465d8f91d42445a7ee56"
format_stamp: "Formatted at 2026-08-12 08:03:59 on dist-test-slave-bt4h"
I20260812 08:03:59.394306 25822 hybrid_clock.cc:584] initializing the hybrid clock with 'system_unsync' time source
W20260812 08:03:59.394357 25822 system_unsync_time.cc:38] NTP support is disabled. Clock error bounds will not be accurate. This configuration is not suitable for distributed clusters.
I20260812 08:03:59.394382 25822 hybrid_clock.cc:648] HybridClock initialized: now 1786521839394382 us; error 0 us; skew 500 ppm
W20260812 08:03:59.395670 25822 fault_injection.cc:43] FAULT INJECTION ENABLED!
W20260812 08:03:59.395735 25822 fault_injection.cc:44] THIS SERVER MAY CRASH!
[       OK ] MultiThreadedLogTest.TestAppendThreadStartStopRaces (1559 ms)
[----------] 2 tests from MultiThreadedLogTest (2656 ms total)

[----------] Global test environment tear-down
[==========] 2 tests from 1 test suite ran. (2656 ms total)
[  PASSED  ] 2 tests.
