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leveldb: concurrent level0 compaction #9

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leveldb: concurrent level0 compaction #9

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6 changes: 6 additions & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,12 @@ go 1.14

require (
github.com/golang/snappy v0.0.1
github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac // indirect
github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82 // indirect
github.com/gonum/internal v0.0.0-20181124074243-f884aa714029 // indirect
github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9 // indirect
github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9 // indirect
github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b
github.com/onsi/ginkgo v1.14.0
github.com/onsi/gomega v1.10.1
golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc // indirect
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12 changes: 12 additions & 0 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,18 @@ github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac h1:Q0Jsdxl5jbxouNs1TQYt0gxesYMU4VXRbsTlgDloZ50=
github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac/go.mod h1:P32wAyui1PQ58Oce/KYkOqQv8cVw1zAapXOl+dRFGbc=
github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82 h1:EvokxLQsaaQjcWVWSV38221VAK7qc2zhaO17bKys/18=
github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82/go.mod h1:PxC8OnwL11+aosOB5+iEPoV3picfs8tUpkVd0pDo+Kg=
github.com/gonum/internal v0.0.0-20181124074243-f884aa714029 h1:8jtTdc+Nfj9AR+0soOeia9UZSvYBvETVHZrugUowJ7M=
github.com/gonum/internal v0.0.0-20181124074243-f884aa714029/go.mod h1:Pu4dmpkhSyOzRwuXkOgAvijx4o+4YMUJJo9OvPYMkks=
github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9 h1:7qnwS9+oeSiOIsiUMajT+0R7HR6hw5NegnKPmn/94oI=
github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9/go.mod h1:XA3DeT6rxh2EAE789SSiSJNqxPaC0aE9J8NTOI0Jo/A=
github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9 h1:V2IgdyerlBa/MxaEFRbV5juy/C3MGdj4ePi+g6ePIp4=
github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9/go.mod h1:0EXg4mc1CNP0HCqCz+K4ts155PXIlUywf0wqN+GfPZw=
github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b h1:fbskpz/cPqWH8VqkQ7LJghFkl2KPAiIFUHrTJ2O3RGk=
github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b/go.mod h1:Z4GIJBJO3Wa4gD4vbwQxXXZ+WHmW6E9ixmNrwvs0iZs=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
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3 changes: 3 additions & 0 deletions leveldb/db.go
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ type DB struct {

// Compaction statistic
memComp uint32 // The cumulative number of memory compaction
level0SubComp uint32 // The cumulative number of memory compaction
level0Comp uint32 // The cumulative number of level0 compaction
nonLevel0Comp uint32 // The cumulative number of non-level0 compaction
seekComp uint32 // The cumulative number of seek compaction
Expand Down Expand Up @@ -1047,6 +1048,7 @@ type DBStats struct {
LevelDurations []time.Duration

MemComp uint32
Level0SubComp uint32
Level0Comp uint32
NonLevel0Comp uint32
SeekComp uint32
Expand Down Expand Up @@ -1094,6 +1096,7 @@ func (db *DB) Stats(s *DBStats) error {
s.LevelTablesCounts = append(s.LevelTablesCounts, len(tables))
}
s.MemComp = atomic.LoadUint32(&db.memComp)
s.Level0SubComp = atomic.LoadUint32(&db.level0SubComp)
s.Level0Comp = atomic.LoadUint32(&db.level0Comp)
s.NonLevel0Comp = atomic.LoadUint32(&db.nonLevel0Comp)
s.SeekComp = atomic.LoadUint32(&db.seekComp)
Expand Down
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