Aaditya Sondhi

sqlliveness: add timeouts to heartbeats

1

Previously, sqlliveness heartbeat operations could block on the transactions that were involved. This change introduces some timeouts of the length of the heartbeat during the create and refresh operations. Resolves...

roachtest: add test for admission control disk bandwidth

1

This test runs a single node target cluster that has two workloads running on it. The lower priority (qos=background) is very bandwidth intensive, and without the AC bandwidth limiter would...

admission: account for write-amp in disk bandwidth limiter

3

Previously, we would calculate elastic disk bandwidth tokens using arbitrary load thresholds and an estimate on incoming bytes into the LSM through flushes and ingestions. This calculation lacked accounting for...

admission: do not create snapshot pacer for nil queue

1

Even though `Pace()` was checking for nil snapshot queue, it was asserting on the `snapshotRequester` interface, which would be non-nil even if the underlying queue was nil. This patch moves...