2014年10月30日 · So when i run the webapp - and as i access the webapp i expect java_0.log, java_1.log (log file rotation)- etc to be created. But am also seeing java0.log.lck, java1.log.lck . The logs files are only showing SEVERE level logs as expected. Why does this happen ?

2022年12月2日 · I can easily reproduce LCK_M_U when I create row and run in parallel many updates of this row. Sometimes I could get LCK_M_X when I am doing constantly selects, inserts and many updates of inserted row. But I need to reproduce LCK_M_IX so far no results. Any info how to reproduce it. What is the reason and nature of generating LCK_M_IX

2013年10月22日 · The usage of .LCK files is a poor programming practice violating the rule of "don't second guess yourself". Creating code that does redundant things just to make triple sure we did it right is a sign you are a bad programmer. Any program caught red handed littering these .LCK files hanging around should be judged negatively with extreme prejudice.

2014年7月25日 · One tip on *nix, directory creation is an atomic process (i.e. the inode either exists or it doesn't, universally) so you use a lock-directory instead of a lock-file, coz it's that bit safer.

2019年9月23日 · The lock files: ewallet.p12.lck and cwallet.sso.lck are created by Oracle UCP driver at startup after accessing the wallet files ewallet.p12 and cwallet.sso, which must be located in the path pointed by -Doracle.net.wallet_location=<path>.

2014年4月14日 · I have a stored procedure that is called by a SQL Server 2012 report that is taking an age to run in production compared to development because of a blocking session lck_m_s The stored procedure runs instantaneously when executed in SQL Server Management Studio and also works well when called as part of the report from a dev laptop via Visual ...

2019年12月19日 · Even before deleting, I am trying to do a P4 login and Perforce shows an error- Enter password: Fatal client error; disconnecting! Operation 'client-SetPassword' failed. Too many trys to get lock /

The thing is, if i create the .lck files on my own before i start the program, then it works as intended ...

2020年1月3日 · P4 login command throws a message like so- Too many trys to get lock /homedir/.p4tickets.lck. How do I ...

Why is it producing an lck_m_x lock and what does that mean? Why does that one query lock the entire database? If I kill that one process in Activity Monitor, all the subsequent queries (SELECTS, UPDATES, et al) (which affect a variety of unrelated tables) all …