Benchmark for MySQL 5.0 + FreeBSD 6-STABLE
3*2*2*2 = 24 cases:
# Compile Options: none, WITH_PROC_SCOPE_PTH=yes, WITH_LINUXTHREADS=yes
# /etc/libmap.conf: none (libpthread), libthr
# kern.timecounter.choice: ACPI-fast, TSC
# kernel: ULE+PREEMPTION, ULE
I put the detail information in my blog:
http://blog.gslin.org/archives/2005/12/12/252/
--
* Gea-Suan Lin (public key:
http://ccreader.nctu.edu.tw/~gslin/key.txt)
* If you cannot convince them, confuse them. -- Harry S Truman
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Relevant Pages
- Benchmark for MySQL 5.0 + FreeBSD 6-STABLE
... # kernel: ULE+PREEMPTION, ULE ... I put the detail information in my blog: ... (freebsd-performance) - Re: Benchmark for MySQL 5.0 + FreeBSD 6-STABLE
... > # kernel: ULE+PREEMPTION, ULE ... > I put the detail information in my blog: ... This renders very badly on my browser. ... (freebsd-performance) - Re: Big problems with 7.1 locking up :-(
... I tried ULE, 4BSD etc, but nothing helps, only downgrading system back. ... We've since then compiled the kernel under the BSD scheduler to rule that out, ... Scheduler changes always come with some risk of exposing bugs that have existed in the code for a long time but never really manifested themselves. ... and the lockups occur in high disk-I/O situations. ... (freebsd-stable) - Re: Big problems with 7.1 locking up :-(
... We've since then compiled the kernel under the BSD scheduler to rule that out, ... FWIW, the other guy I know who is having this problem had already switched to using ULE under 7.0-release, and did not have any problems with it. ... Scheduler changes always come with some risk of exposing bugs that have existed in the code for a long time but never really manifested themselves. ... and the lockups occur in high disk-I/O situations. ... (freebsd-stable) - Re: Big problems with 7.1 locking up :-(
... I tried ULE, 4BSD etc, but nothing helps, only downgrading system back. ... I'd suggest leaving your userspace on the 8th october, and sliding the kernel forward in a binary search until you've narrowed it down a bit. ... Scheduler changes always come with some risk of exposing bugs that have existed in the code for a long time but never really manifested themselves. ... and the lockups occur in high disk-I/O situations. ... (freebsd-stable) |
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