Warming up index files via cat to make it in memory index

[ba...@oracle.com]

Hi,-

  This new thread is the continuation of previous thread back in Feb 2021:

Re: MMapDirectory vs In Memory Lucene Index (i.e., ByteBuffersDirectory)


May i mention that i cat'ed *fdt files (largest index files among 98 
index files generated) by directing to new files so

that these files are cached to create in memory lucene index? i have 
598GB available in memory and total size of index files is < 16G.

So, i think the cat'ed fdt files must be in the memory.

i also cat'ed smaller files via just cat <filename>.


I still see similar performance from lucene index after doing this.

Is there any suggestions please?

Thanks




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