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Server locks and Primary Key |
Tue, Jul 31 2018 1:16 PM | Permanent Link |
Charalampos Michael | Hello Tim,
Can you add the "Primary Key" value/information on configuration.serversessionlocks ? IOW, I want to know which record is edited and prevent someone else to edit it fast. Thank you |
Mon, Aug 6 2018 1:46 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Michael,
<< Can you add the "Primary Key" value/information on configuration.serversessionlocks ? >> Hmm, that is going to be a problem. To get that information, EDB will have to perform I/O to cross-reference the row numbers back to the primary keys, and I'm not really happy about that information query causing general I/O on the underlying tables. With a lot of sessions/locks, simply querying that table could end up being a hotspot. Tim Young Elevate Software www.elevatesoft.com |
Thu, Aug 9 2018 3:59 AM | Permanent Link |
Charalampos Michael | Tim,
<< Hmm, that is going to be a problem. To get that information, EDB will have to perform I/O to cross-reference the row numbers back to the primary keys, and I'm not really happy about that information query causing general I/O on the underlying tables. With a lot of sessions/locks, simply querying that table could end up being a hotspot. >> Well i you can do it "optional" like FileBuffers. In this case the EDB Server is used with 5 users and around 4 database so the overhead will be small. I really need an instant way to check if a record is locked when i use EDB Server. I'm thinking changing the "RecordLockRetryCount" to 1 and "RecordLockWaitTime" to 0 but is this dangerous ? Also i have to use "try...except" to eat up the expection and show my own dialog which i do not prefer ... Any suggestions other suggestion then ? Thank you |
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