Issue Details
SystemLink Server 2025 Q1 and SystemLink Server 2025 Q2 are affected by a bug where DataFinder can crash unexpectedly under heavy load with very large datasets (for example, indexing 1TB of high complexity data files).
To determine if you are encountering this bug (3114881), examine this log file:
C:\ProgramData\National Instruments\DataFinder Server Edition\Config\TDMServer_Database_1_0.err
... and look for errors similar to:
2025-03-10 9:42:09 0 [Warning] InnoDB: A long semaphore wait:
--Thread 67500 has waited at btr0cur.cc line 1480 for 610.00 seconds the semaphore:
SX-lock on RW-latch at 0000013253116F88 created in file dict0dict.cc line 2161
a writer (thread id 87312) has reserved it in mode SX
number of readers 1, waiters flag 1, lock_word: 10000000
Last time write locked in file dict0stats.cc line 1969
2025-03-10 9:42:09 0 [Note] InnoDB: A semaphore wait:
In addition, there will be log messages indicating the database has detected long wait times and has crashed.