> Lucene on a local disk benefits significantly from the local filesystem's > RAM cache (aka the kernel's buffer cache). HDFS has no such local RAM cache > outside of the stream's buffer. The cache would need to be no larger than > the kernel's buffer cache to get an equivalent hit ratio. And if you're
If the two cache sizes are the same, then yes. Just that local FS cache size is adjusted (more?) dynamically. Cheers, Ning
