On Wed, 2005-04-20 at 16:04 -0700, Tom Lord wrote:
I think that to a large extent you are seeing artifacts
of the questionable trade-offs that (reports tell me) the
ext* filesystems make. With a different filesystem, the
results would be very different.
Tom, please stop this ext*
Tomas Mraz [EMAIL PROTECTED] writes:
If we suppose the maximum number of stored blobs in the order of milions
probably the optimal indexing would be 1 level [0:2] indexing or 2
levels [0:1] [2:3]. However it would be necessary to do some
benchmarking first before setting this to stone.
As I
On Thu, 2005-04-21 at 11:09 +0200, Denys Duchier wrote:
Tomas Mraz [EMAIL PROTECTED] writes:
If we suppose the maximum number of stored blobs in the order of milions
probably the optimal indexing would be 1 level [0:2] indexing or 2
levels [0:1] [2:3]. However it would be necessary to do
Tomas Mraz [EMAIL PROTECTED] writes:
Btw, if, as you indicate above, you do believe that a 1 level indexing should
use [0:2], then it doesn't make much sense to me to also suggest that a 2
level
indexing should use [0:1] as primary subkey :-)
Why do you think so? IMHO we should always
Using your suggested indexing method that uses [0:4] as the 1st level key
and
[0:3]
[4:8] as the 2nd level key, I obtain an indexed archive that occupies 159M,
where the top level contains 18665 1st level keys, the largest first level
Yes, it really doesn't make much sense to have so big keys on the
directories.
It's official... i'm blushing wildly thank you for the various
replies that pointed out my thinko.
That part of my spec hasn't been coded yet --- i just wrote text. It
really was the silly late-night
[your 0:3/4:7 directory hierarchy is horked]
Absolutely. Made a dumb mistake the night I wrote that spec
and embarassed that I initially defended it. I had an arithmetic
error. Thanks, this time, for your persistence in pointing it out.
-t
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Tom, please stop this ext* filesystem bashing ;-)
For one thing... yes, i'm totally embarassed on this issue.
I made a late-night math error in a spec. *hopefully* would
have noticed it on my own as I coded to that spec but y'all
have been wonderful at pointing out my mistake to me even
On Wed, 2005-04-20 at 19:15 +0200, [EMAIL PROTECTED] wrote:
...
As data, I used my /usr/src/linux which uses 301M and contains 20753 files and
1389 directories. To compute the key for a directory, I considered that its
contents were a mapping from names to keys.
I suppose if you used the blob
On Wed, 2005-04-20 at 19:15 +0200, [EMAIL PROTECTED] wrote:
...
As data, I used my /usr/src/linux which uses 301M and contains 20753 files and
1389 directories. To compute the key for a directory, I considered that its
contents were a mapping from names to keys.
I suppose if you used the blob
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