MD5 implementation is not thread safe #47
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… got same value for different observations under heavy multi-threaded test. Made it thread-safe without blocking thread, but sacrificed some memory.
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Thanks for finding this issue. After some testing, it looks like this fix will work. I'll release a new version with this change included. |
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MD5 implementation is not thread safe. As a result ChangeId sometimes got same value for different observations under heavy multi-threaded test.
Made it thread-safe without blocking thread, but sacrificed some memory.
My particular problem happened in MTConnectAgent
private static bool FilterDeltawhere condition
if (!ObjectExtensions.ByteArraysEqual(newObservation.ChangeId, existingObservation.ChangeId))was false.