b02b073a57
The Document Level Security BitSet Cache (see #43669) had a default configuration of "small size, long lifetime". However, this is not a very useful default as the cache is most valuable for BitSets that take a long time to construct, which is (generally speaking) the same ones that operate over a large number of documents and contain many bytes. This commit changes the cache to be "large size, short lifetime" so that it can hold bitsets representing billions of documents, but releases memory quickly. The new defaults are 10% of heap, and 2 hours. This also adds some logging when a single BitSet exceeds the size of the cache and when the cache is full. Backport of: #50535 |
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