Hi
BEST_SPEED has been changed in LUCENE-9447 and LUCENE-9486. For this
reason, retrieving data from elasticsearch has slowed down by 10-20%. When
there is a lot of data, this is critical
Can developers leave the choice of which codec to use: LZ4(16kB) (old
BEST_SPEED) or LZ4 with preset dict(BEST_
Hi. I noticed that after the upgrade from Lucene8.5.x to Lucene >=8.6,
search became slower(example TopScoreDocCollector became 20-30% slower,
from ElasticSearch - 50%).
While testing, I realized that it happened after LUCENE-9257(commit
e7a61ea). Bug or feature? Can add settings for isOffHeep? T
Hello,
Why are you forcing NIOFSDirectory instead of using Lucene's defaults via
FSDirectory#open? I wonder if this might contribute to the slowdown you are
seeing given that access to the terms index tends to be a bit random.
It's very unlikely we'll add back a toggle for this as there is no poi
Thanks for the feedback.
We don't want to offer too many choices, as it complicates backward
compatibility testing, and want to stick to two options at most.
Since this is the second time I'm seeing this feedback, I'm inclined to
reduce the block size for BEST_SPEED in order to trade a bit of com