Trylle

fix(db): avoid panic in parallel reads after closing DB (#1987)

fix(logging): fix direct access to logger (#1980)

fix(sec): bump google.golang.org/grpc from 1.20.1 to 1.53.0 (#1977)

fix(sec): update gopkg.in/yaml.v2 package (#1969)

fix(test): fix flakiness of TestPersistLFDiscardStats (#1963)

fix(stream): setup oracle correctly in stream writer (#1968) (#1904)

fix(stream): improve incremental stream writer (#1901)

fix(test): improve the params in BenchmarkDbGrowth (#1967)

fix(sync): sync active memtable and value log on Db.Sync (#1847) (#1953)

fix(test): handle draining of closed channel, speed up test. (#1957)

fix(test): fix table checksum test. Test on uncompressed. (#1952)

fix(level): change split key range right key to use ts=0 (#1932)

fix(test): the new test case PagebufferReader5 introduced an error. (#1936)

fix(test): add missing unlock in TestPersistLFDiscardStats (#1924)

fix(PageBufferReader): should conform to io.Reader interface (#1935)

fix(publisher): publish updates after persistence in WAL (#1917)