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T24 COB performance

 
Julianto
Frequent Advisor

T24 COB performance

I've been testing T24 COB performance using vxtunefs with option read_ahead = 2 and max_buf_data_size = 65536 in development server (RX7640 os 11.23) and i compare it to our production (RX8640 os 11.23) without tuning the filesystem. It 3 hours faster in development server with vxtunefs to complete COB process.
But when i do a backup it take 3 time longer than actually backup.. we actually do full backup only 1.5 hours. And the proses restore, and firing transcation.

why the process of backup,restore, and firing transaction take's so long. Do i need to change vxtunefs parameter??