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cache
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... byte chunks, then rewinds it and reads it back.
[The size of the file should be big enough to factor
out the effect of any disk cache.]. Finally,
IOZONE deletes the temporary file. Options allow one to
...
... cache buffers), and
then read. If the cache is >= X MB, then most if not
all the reads will be satisfied from the cache ...
... cache is >= X MB, then most if not
all the reads will be satisfied from the cache.
However, if it is less than or equal to
.5X MB ...
... .5X MB, then NONE of the reads will be satisfied from
the cache. This is becase after the file is written,
a .5X MB cache ...
... cache. This is becase after the file is written,
a .5X MB cache will contain the upper .5 MB of the
test file, but we will start ...
... start reading
from the beginning of the file (data which is no
longer in the cache).
In order for this to be a fair test, the length of the
...
...
In order for this to be a fair test, the length of the
test file must be AT LEAST 2X the amount of disk cache
memory for your system. If not, you are really
testing the speed at which your CPU ...
... testing the speed at which your CPU
can read blocks out of the cache (not a fair test).
BUGS
...
... SNMP agents from redundant network
management agents through the use of caches. Finally,
SNMP proxy ...
... SNMP agents from redundant network
management agents through the use of caches. Finally,
SNMP proxy ...