Try increasing your journal size (mke2fs -J size=400), and having a lot
of RAM.
When you say "having about 100M files", does that mean "need to be
constantly accessing 100M files" or just "need to store a total of
100M files in this filesystem"?
Likely only 10M will be accessed at any time.
The former means you need to keep the whole working set in RAM for
maximum performance, about 100M * (128 + 32) = 19GB of RAM. The
latter is no problem, we have ext3 filesystems with > 250M files
in them.
The system has 16G of RAM; getting 32G in the future is a possibility.
Where do you get 128 + 32 from? Is 128 the inode size? this is
running a 64bit os. Does that change the memory requirements?
Thanks, I will try your suggestion.
Sean
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