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diag.go
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diag.go
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package rbstor
import (
"context"
"sync/atomic"
iface "github.com/atboosty/ribs"
"golang.org/x/xerrors"
)
func (r *rbs) StorageDiag() iface.RBSDiag {
return r
}
func (r *rbs) Groups() ([]iface.GroupKey, error) {
return r.db.Groups()
}
func (r *rbs) GroupMeta(gk iface.GroupKey) (iface.GroupMeta, error) {
m, err := r.db.GroupMeta(gk)
if err != nil {
return iface.GroupMeta{}, xerrors.Errorf("get group meta: %w", err)
}
r.lk.Lock()
g, ok := r.openGroups[gk]
r.lk.Unlock()
if ok {
m.ReadBlocks = g.readBlocks.Load()
m.ReadBytes = g.readSize.Load()
m.WriteBlocks = g.writeBlocks.Load()
m.WriteBytes = g.writeSize.Load()
}
return m, nil
}
func (r *rbs) GetGroupStats() (*iface.GroupStats, error) {
gs, err := r.db.GetGroupStats()
if err != nil {
return nil, err
}
r.lk.Lock()
gs.OpenGroups = len(r.openGroups)
gs.OpenWritable = len(r.writableGroups)
r.lk.Unlock()
return gs, nil
}
func (r *rbs) GroupIOStats() iface.GroupIOStats {
r.lk.Lock()
defer r.lk.Unlock()
// first update global counters
for _, group := range r.openGroups {
readBlocks := group.readBlocks.Load()
readSize := group.readSize.Load()
writeBlocks := group.writeBlocks.Load()
writeSize := group.writeSize.Load()
r.grpReadBlocks += readBlocks - group.readBlocksSnap
r.grpReadSize += readSize - group.readSizeSnap
r.grpWriteBlocks += writeBlocks - group.writeBlocksSnap
r.grpWriteSize += writeSize - group.writeSizeSnap
group.readBlocksSnap = readBlocks
group.readSizeSnap = readSize
group.writeBlocksSnap = writeBlocks
group.writeSizeSnap = writeSize
}
// then return the global counters
stats := iface.GroupIOStats{
ReadBlocks: r.grpReadBlocks,
ReadBytes: r.grpReadSize,
WriteBlocks: r.grpWriteBlocks,
WriteBytes: r.grpWriteSize,
}
return stats
}
func (r *rbs) TopIndexStats(ctx context.Context) (iface.TopIndexStats, error) {
s, err := r.index.EstimateSize(ctx)
if err != nil {
return iface.TopIndexStats{}, xerrors.Errorf("estimate size: %w", err)
}
return iface.TopIndexStats{
Entries: s,
Writes: atomic.LoadInt64(&r.index.writes),
Reads: atomic.LoadInt64(&r.index.reads),
}, nil
}
func (r *rbs) WorkerStats() iface.WorkerStats {
return iface.WorkerStats{
Available: r.workersAvail.Load(),
InFinalize: r.workersFinalizing.Load(),
InCommP: r.workersCommP.Load(),
InReload: r.workersFinDataReload.Load(),
TaskQueue: int64(len(r.tasks)),
CommPBytes: globalCommpBytes.Load(),
}
}