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add etcd compact #18

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merged 3 commits into from
May 6, 2022
Merged

add etcd compact #18

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63daabd
feat: add etcd compact
lukepark327 May 6, 2022
78e7ad9
add etcdCompactWindow
lukepark327 May 6, 2022
73062f1
feat: apply compact window && update check logic
lukepark327 May 6, 2022
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15 changes: 14 additions & 1 deletion metadium/admin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,9 @@ var (
ErrNotRunning = errors.New("not running")
ErrAlreadyRunning = errors.New("already running")
ErrInvalidEnode = errors.New("invalid enode")

etcdCompactFrequency = int64(100)
etcdCompactWindow = int64(100)
)

func (n *metaNode) eq(m *metaNode) bool {
Expand Down Expand Up @@ -1084,12 +1087,22 @@ func LogBlock(height int64, hash common.Hash) {
}

tstart := time.Now()
if err := admin.etcdPut("metadium-work", string(work)); err != nil {
rev, err := admin.etcdPut("metadium-work", string(work))
if err != nil {
log.Error("Metadium - failed to log the latest block",
"height", height, "hash", hash, "took", time.Since(tstart))
} else {
log.Info("Metadium - logged the latest block",
"height", height, "hash", hash, "took", time.Since(tstart))

if ((rev%etcdCompactFrequency == 0) && (rev > etcdCompactFrequency)) && (rev > etcdCompactWindow) {
go func() {
if err := admin.etcdCompact(rev - etcdCompactWindow + 1); err != nil {
log.Error("Metadium - failed to compact",
"rev", rev, "took", time.Since(tstart))
}
}()
}
}

admin.blocksMined++
Expand Down
23 changes: 19 additions & 4 deletions metadium/etcdutil.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import (
"strings"
"time"

"github.com/coreos/etcd/clientv3"
"github.com/coreos/etcd/embed"
"github.com/coreos/etcd/etcdserver/api/membership"
"github.com/coreos/etcd/etcdserver/api/v3client"
Expand Down Expand Up @@ -442,16 +443,16 @@ func (ma *metaAdmin) etcdLeader(locked bool) (uint64, *metaNode) {
return 0, nil
}

func (ma *metaAdmin) etcdPut(key, value string) error {
func (ma *metaAdmin) etcdPut(key, value string) (int64, error) {
if !ma.etcdIsRunning() {
return ErrNotRunning
return 0, ErrNotRunning
}

ctx, cancel := context.WithTimeout(context.Background(),
ma.etcd.Server.Cfg.ReqTimeout())
defer cancel()
_, err := ma.etcdCli.Put(ctx, key, value)
return err
resp, err := ma.etcdCli.Put(ctx, key, value)
return resp.Header.Revision, err
}

func (ma *metaAdmin) etcdGet(key string) (string, error) {
Expand Down Expand Up @@ -487,6 +488,20 @@ func (ma *metaAdmin) etcdDelete(key string) error {
return err
}

func (ma *metaAdmin) etcdCompact(rev int64) error {
if !ma.etcdIsRunning() {
return ErrNotRunning
}

ctx, cancel := context.WithTimeout(context.Background(),
ma.etcd.Server.Cfg.ReqTimeout())
defer cancel()
_, err := ma.etcdCli.Compact(ctx, rev, clientv3.WithCompactPhysical())
// WithCompactPhysical makes Compact wait until all compacted entries are
// removed from the etcd server's storage.
return err
}

func (ma *metaAdmin) etcdInfo() interface{} {
if ma.etcd == nil {
return ErrNotRunning
Expand Down