Last updated on JUNE 26, 2017
Applies to:MySQL Cluster - Version 7.3 and later
Information in this document applies to any platform.
While doing operations which are potentially not deadlocking in nature, the following errors occur:
ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
21/08/2013 13:36:16.457 : DB_ERROR(1), Ndb error: 266 Time-out in NDB, probably caused by deadlock commit(NO_WRITE) failed
A few examples:
- Reading a large blob, only select no update
- Running updates on mutually exclusive rows , but the load being heavy such that it will cause the redo to slow down. The redo issue can be seen in the data node logs.
- Running an alter table on a table with large number of blobs. This is reported to happen with rows with large size of blobs.
Other variations may exist.
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