Thanks every one for helping me. I have upgraded to 7.4.1 on redhat 8 ( rh 9 require a lot of lib's) and set the configuration sent by Chris. Now the query results in 6.3 sec waooo. I m thinking that why the 7.1 process aggregate slowly. Anyway.
I still have to go for 2 sec result and now I m thinking to go for Free BSD 5.2.
The record locking by "select ..... update for" is working fine, but a situation arrises when the second user goes for locking the record, the task will wait untill the first user ends up his work. IS their is a way that we can know or get a message that the row/record is already locked by some one else.
Thanks for help.
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