How important is it that the search index be absolutely up to date? I
read from a RAMDirectory based index but the actual index is in a
FSDirectory. The way I managed it was to have the RAMDirectory
periodically (two hourly) reloaded. My data doesn't have to be
completely up to date so this works for me.
Tobias Lütticke wrote:
Hi,
for the last days I had the thought lingering in my mind that somehow
I had to use the RAMDirectory. I have a production system with plenty
of memory so that would be nice. However, it's a update-happy
application and the index needs to be persistent (meaning FSDirectory).
Therefore I came up with the idea to use both - RAM and FSDirectory. I
plan to read the index into RAMDirectory for search purposes and in
case of write access just update the RAMDirectory as well as the
FSDirectory.
Then I have both, persistent storage and fast read access. The double
update should be bearable since the in-memory update is fast.
Moreover, the users are willing to accept a delay when writing rather
upon reading.
Has anybody ever tried this? Are there downsides or do I miss
anything? I imagine I could hardly be the first to try this...
I would be happy if someone has experiences to share.
Cheers
Tobias
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