Failed to scrape metrcis due to scrape timeout

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Describe the bug I set up a scrape job for squid exporter and got scrape timeout occasionally

How can I troubleshoot this? I saw no logs either in squid exporter log or squid log.

What could be the cause of this timeout, what do you suggest to set the timeout to?

To Reproduce start a exporter to exporter squid metrics

Expected behavior scrape successfully, no timeout

actual: scrape is quite slow, response time sometimes can go up to 10s or more.

OS (please complete the following information):

• OS: gentoo Linux misaka1 5.9.12-gentoo #2 SMP Tue Dec 8 11:59:44 CST 2020 x86_64 AMD EPYC 7K62 48-Core Processor AuthenticAMD GNU/Linux
• Version 1.10.3

Additional context Add any other context about the problem here.