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LVM, RAID, XFS and EXT3 filesystems tuning for small files heavy load parallel I/O on Debian


Thousands concurrent parallel read write accesses over tens of millions of small files is a terrible performance tuning problem for e-mail servers.

You must understand and fine tune all your infrastructure chain, following the previous articles for data storage and multipath on Debian 5.x Lenny.

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andremachado's picture
Created by andremachado 7 years 24 weeks ago – Made popular 7 years 24 weeks ago
Category: High End   Tags:

Benchmarking Linux filesystems on software RAID 1


I have benchmarked various Linux filesystems using different blocksizes and workloads on an mdadm RAID 1 setup using two Western Digital 500 GB SATA 3.0 drives and a 3ware 9550XS 4-port hardware RAID card (which I had trouble getting to work initially). It's not as extensive as I would have liked, but I came across some interesting results.

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Sander Marechal's picture
Created by Sander Marechal 9 years 39 weeks ago – Made popular 9 years 38 weeks ago
Category: High End   Tags: