An issue occurred on our shop running 1.7.7.8, where pages take a very long time to load.
For some reason, pages take approximately 130 seconds to load, and this performance issue affects both the front and back-office. The 130-second loading time is seemingly stable for each request, which may indicate that the site tries to run some task and waits for it to time-out (HTTP request ? Email sending ?)
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Although, we do not have any solution for this issue yet. We also tried to disable modules that might be causing the issue.
Is there any known solution to this problem, or maybe do you have any guidance to help us resolve this?