Messages in this thread | | | Date | Wed, 26 May 1999 11:47:11 -0700 | From | Eric Hicks <> | Subject | Apache/kernel problem? |
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Hi all,
My apologies if this does not belong here. I'm not sure if this is an Apache problem, or a kernel problem. I'm having some big problems in which it appears that a single PII 400Mhz or a single AMD 400 will outrun a dual PII 450 at http requests from Apache. These machines were running 2.2.2, with a small patch from Alan Cox to make them work under smp with our bios. A kernel upgrade to 2.2.9 made the problem WORSE. At least we don't need the patch to get it to boot smp though... :) Anyway, here's some data we've accumulated:
Testing the Linux/Apache HTTP Servers has given the following data
AMD K6 400Mghz 512KRam Linux 2.0.36 Apache 1.3.6. 208.32.10.88 PII 400 Mghz 128K Ram Linux 2.0.36 " 208.32.10.90 Dual PII/450Mghz 512KRam Linux 2.2.8 " 208.32.10.67 Dual PII/450Mghz " Linux 2.0.36 " "
Data for HTTP Server Tests: 100 1MByte mpeg files stored on local disks.
Results
AMD 400Mghz K6 accepts and delivers mpeg test files to 1000 simultaneous clients @ 57.6Kbits/sec. PII 400Mghz accepts and delivers mpeg test files to 1000 simultaneous clients @ 57.6Kbits/sec.
Dual PII/450Mghz Linux 2.0.36 and 2.2.8 delivers mpeg files far less than 300 simultaneous @57.6Kbits/sec with associated TCP/IP errors at the client simulators 10054 (reset by peer) and 10060 (connection time out). Connection time in genearl from simulator to Server were tremendous, averaged about 5 seconds, normally viewed as error.
I'm going to post this to the appropriate web server newsgroup as well. Sorry if this is a bit off-topic, but I think it might be kernel related, or at least an interaction between the kernel and Apache. Apache is version 1.3.3. Thanks in advance...
Eric
Eric Hicks erich@pobox.com =========== "Beer is proof that God loves us and wants us to be Happy" - Benjamin Franklin
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