I think the important issues are index size, stability and number of
concurrent readers.
We achieved the best performance by using a pool of file descriptors
to a segment so we could avoid the synchronization block, but this
only worked for large, relatively unchanging segments.
On Dec 18, 2006, at 2:51 PM, Doug Cutting wrote:
robert engels wrote:
Using a shared FileChannel.pread actually performs a
synchronization under Windows.
Sigh. Still, it'd be no worse than current FSDirectory on Windows.
Doug
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