Comment 14 for bug 343371
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| Øyvind Stegard (oyvindstegard) wrote | #14 |
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1b1ed1a
(Get the code!)
Hi,
I've been running Ubuntu 9.10 for a while now (currently on kernel 2.6.31-17.54). The problem with high I/O latencies during write-load persists, even after migrating all partitions to the EXT4 file system. The hardware is still the same as when I reported this bug originally.
Again, to reiterate for Karmic, the issue typically appears when I run some process in the background that writes a lot out to disk (typical for audio/video work, etc), and then try to use my desktop for other things while this is going on. Firefox grinds to a halt immediately the first time it tries to do som disk I/O. And I have to wait for too long before I gets responsive again. This is a 64bit quad-core system with 8GB RAM, so there's plenty of resources. The symptoms are exactly the same as they were for Jaunty: all in all the disks and system is configured and running OK with good throughput performance, but the latency is just horrible at times.