Re: Checkpoints

2003-02-27 Thread Zabair Ahmed
Hi Daniel Log switches are happening every 20-25mins during peak times and yes the ckpt process is started automatically. ZabairWith Yahoo! Mail you can get a bigger mailbox -- choose a size that fits your needs

RE: Checkpoints

2003-02-27 Thread Odland, Brad
Frequent log switches in peak times I think are normal. More data is changing thenyou would expect to see more frequency every minute or so is not really that bad on a busy system...if you see a trend of these becoming more frequent over longer periods of time I would be concerned and pl

Re: Checkpoints

2003-02-27 Thread Daniel W. Fink
I recall a bug introduced (?) in 8.0.5. If you set log_checkpoints_to_alert, the process consumed a large amount of cpu. I remember changing it to false after our test group found performance problems. How often are you performing log switches during peak usage? Is the CKPT process running? (I

Re: Checkpoints

2003-02-27 Thread Tim Gorman
Zabair,   You are indeed working from facts, but your conclusion that a checkpoint every minute is "clearly putting considerable load on LGWR" is a deductive leap which is probably unwarranted.   I do not have access to an Oracle8 v8.0.6 RDBMS or documentation, but I recall that the CHECKPOIN

RE: Checkpoints

2003-02-27 Thread Deshpande, Kirti
Zabair,  Increasing the l_c_i would help.    I see you have l_c_t set to 0, so why not set l_c_i to 0 as well?  So that the checkpoint will only occur at log switches.   - Kirti -Original Message-From: Zabair Ahmed [mailto:[EMAIL PROTECTED]Sent: Thursday, February 27, 2003 3: