2019. 01. 21. 17:41 keltezéssel, Dmitry Yemanov írta:
This is a single-threaded test, isn't it?

2.5 - 2:59 - 65.65 MB
3.0 - 3:27 - 68.95 MB
4.0 - 3:37 - 68.95 MB

The results are more or less expected in this case (it doesn't mean they're desirable but this is a different story).

Same script into 5 databases concurrently:

2.5 - 10:55
3.0 -  8:11
4.0 -  8:41


Same script with numbered(1..5) table names into one database concurrently:

2.5 - 10:51 - 336.72 MB
3.0 -  8:09 - 329.79 MB
4.0 - From the 5 ISQL 2 fail constantly. Tried 5 times and 2 fail always from 5:

Statement failed, SQLSTATE = 40001
update conflicts with concurrent update
-concurrent transaction number is 7
After line 0 in file R:\SCRIPT\TRADE_DATA_1.sql

After applied "ReadConsistency = 0" into firebird.conf:

4.0 - 8:45 - 329.79 MB

Gabor


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