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Pinned topic Online backup and buffer pools

‏2013-01-28T08:56:24Z |

I'm using Express-C on Linux.
The problem I have is that my application in the morning works slower than during the day. I traced the problem to backup.
At first I performed offline backup, so it was obvious that bufferpools get cleared during backup.
Then I swithed to online backup, because I thought that buffer pools will not be cleared, since the connection can stay active during backup.

Is this true about online backup? If buffer pools stay full during online backup, what can be the reason for bad performance in the morning?

Best regards,