Tomasz Grabiec 761f89e55e api: Introduce system/drop_sstable_caches RESTful API ...

Evicts objects from caches which reflect sstable content, like the row
cache. In the future, it will also drop the page cache
and sstable index caches.

Unlike lsa/compact, doesn't cause reactor stalls.

The old lsa/compact call invokes memory reclamation, which is
non-preemptible. It also compacts LSA segments, so does more
work. Some use cases don't need to compact LSA segments, just want the
row cache to be wiped.

Message-Id: <20210301120211.36195-1-tgrabiec@scylladb.com>

2021-03-01 16:13:04 +02:00

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