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logging changes to debug

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This commit is contained in:
Chris Lu 2021-06-27 05:51:28 -07:00
parent facaa36d22
commit cc7714fdbe
9 changed files with 32 additions and 30 deletions
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8
unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
View file

@ -4,18 +4,20 @@ import (
"context"
"flag"
"fmt"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"google.golang.org/grpc"
"io"
"strconv"
"time"
)
var (
dir = flag.String("dir", "/tmp", "directory to create files")
n = flag.Int("n", 100, "the number of metadata")
tailFiler = flag.String("filer", "localhost:8888", "the filer address")
isWrite = flag.Bool("write", false, "only write")
isWrite = flag.Bool("write", false, "only write")
)
func main() {
@ -33,7 +35,7 @@ func main() {
return nil
}
name := event.EventNotification.NewEntry.Name
fmt.Printf("=> %s\n", name)
glog.V(0).Infof("=> %s ts:%+v", name, time.Unix(0, event.TsNs))
id := name[4:]
if x, err := strconv.Atoi(id); err == nil {
if x != expected {
@ -43,6 +45,7 @@ func main() {
} else {
return err
}
time.Sleep(10 * time.Millisecond)
return nil
})
@ -96,6 +99,7 @@ func startSubscribeMetadata(eachEntryFunc func(event *filer_pb.SubscribeMetadata
return listenErr
}
if err = eachEntryFunc(resp); err != nil {
glog.V(0).Infof("tail last record:%+v", time.Unix(0, lastTsNs))
return err
}
lastTsNs = resp.TsNs

2
weed/filer/filer.go
View file

@ -53,7 +53,7 @@ func NewFiler(masters []string, grpcDialOption grpc.DialOption,
GrpcDialOption: grpcDialOption,
FilerConf: NewFilerConf(),
}
f.LocalMetaLogBuffer = log_buffer.NewLogBuffer(LogFlushInterval, f.logFlushFunc, notifyFn)
f.LocalMetaLogBuffer = log_buffer.NewLogBuffer("local", LogFlushInterval, f.logFlushFunc, notifyFn)
f.metaLogCollection = collection
f.metaLogReplication = replication

3
weed/filer/meta_aggregator.go
View file

@ -34,7 +34,7 @@ func NewMetaAggregator(filers []string, grpcDialOption grpc.DialOption) *MetaAgg
grpcDialOption: grpcDialOption,
}
t.ListenersCond = sync.NewCond(&t.ListenersLock)
t.MetaLogBuffer = log_buffer.NewLogBuffer(LogFlushInterval, nil, func() {
t.MetaLogBuffer = log_buffer.NewLogBuffer("aggr", LogFlushInterval, nil, func() {
t.ListenersCond.Broadcast()
})
return t
@ -118,6 +118,7 @@ func (ma *MetaAggregator) subscribeToOneFiler(f *Filer, self string, peer string
}
for {
glog.V(4).Infof("subscribing remote %s meta change: %v", peer, time.Unix(0, lastTsNs))
err := pb.WithFilerClient(peer, ma.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()

2
weed/messaging/broker/broker_grpc_server_subscribe.go
View file

@ -116,7 +116,7 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
lastReadTime = time.Unix(0, processedTsNs)
}
lastReadTime, err = lock.logBuffer.LoopProcessLogData(lastReadTime, func() bool {
lastReadTime, err = lock.logBuffer.LoopProcessLogData("broker", lastReadTime, func() bool {
lock.Mutex.Lock()
lock.cond.Wait()
lock.Mutex.Unlock()

2
weed/messaging/broker/topic_manager.go
View file

@ -68,7 +68,7 @@ func (tm *TopicManager) buildLogBuffer(tl *TopicControl, tp TopicPartition, topi
glog.V(0).Infof("log write failed %s: %v", targetFile, err)
}
}
logBuffer := log_buffer.NewLogBuffer(time.Minute, flushFn, func() {
logBuffer := log_buffer.NewLogBuffer("broker", time.Minute, flushFn, func() {
tl.cond.Broadcast()
})

8
weed/server/filer_grpc_server_sub_meta.go
View file

@ -34,7 +34,7 @@ func (fs *FilerServer) SubscribeMetadata(req *filer_pb.SubscribeMetadataRequest,
for {
glog.V(0).Infof("read on disk %v aggregated subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
glog.V(4).Infof("read on disk %v aggregated subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
processedTsNs, err = fs.filer.ReadPersistedLogBuffer(lastReadTime, eachLogEntryFn)
if err != nil {
@ -45,9 +45,9 @@ func (fs *FilerServer) SubscribeMetadata(req *filer_pb.SubscribeMetadataRequest,
lastReadTime = time.Unix(0, processedTsNs)
}
glog.V(0).Infof("read in memory %v aggregated subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
glog.V(4).Infof("read in memory %v aggregated subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
lastReadTime, err = fs.filer.MetaAggregator.MetaLogBuffer.LoopProcessLogData(lastReadTime, func() bool {
lastReadTime, err = fs.filer.MetaAggregator.MetaLogBuffer.LoopProcessLogData("aggMeta:"+clientName, lastReadTime, func() bool {
fs.filer.MetaAggregator.ListenersLock.Lock()
fs.filer.MetaAggregator.ListenersCond.Wait()
fs.filer.MetaAggregator.ListenersLock.Unlock()
@ -101,7 +101,7 @@ func (fs *FilerServer) SubscribeLocalMetadata(req *filer_pb.SubscribeMetadataReq
glog.V(0).Infof("read in memory %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
lastReadTime, err = fs.filer.LocalMetaLogBuffer.LoopProcessLogData(lastReadTime, func() bool {
lastReadTime, err = fs.filer.LocalMetaLogBuffer.LoopProcessLogData("localMeta:"+clientName, lastReadTime, func() bool {
fs.listenersLock.Lock()
fs.listenersCond.Wait()
fs.listenersLock.Unlock()

19
weed/util/log_buffer/log_buffer.go
View file

@ -22,6 +22,7 @@ type dataToFlush struct {
}
type LogBuffer struct {
name string
prevBuffers *SealedBuffers
buf []byte
idx []int
@ -39,8 +40,9 @@ type LogBuffer struct {
sync.RWMutex
}
func NewLogBuffer(flushInterval time.Duration, flushFn func(startTime, stopTime time.Time, buf []byte), notifyFn func()) *LogBuffer {
func NewLogBuffer(name string, flushInterval time.Duration, flushFn func(startTime, stopTime time.Time, buf []byte), notifyFn func()) *LogBuffer {
lb := &LogBuffer{
name: name,
prevBuffers: newSealedBuffers(PreviousBufferCount),
buf: make([]byte, BufferSize),
sizeBuf: make([]byte, 4),
@ -93,6 +95,7 @@ func (m *LogBuffer) AddToBuffer(partitionKey, data []byte, eventTsNs int64) {
}
if m.startTime.Add(m.flushInterval).Before(ts) || len(m.buf)-m.pos < size+4 {
// glog.V(4).Infof("%s copyToFlush1 start time %v, ts %v, remaining %d bytes", m.name, m.startTime, ts, len(m.buf)-m.pos)
m.flushChan <- m.copyToFlush()
m.startTime = ts
if len(m.buf) < size+4 {
@ -127,9 +130,10 @@ func (m *LogBuffer) Shutdown() {
func (m *LogBuffer) loopFlush() {
for d := range m.flushChan {
if d != nil {
// fmt.Printf("flush [%v, %v] size %d\n", d.startTime, d.stopTime, len(d.data.Bytes()))
// glog.V(4).Infof("%s flush [%v, %v] size %d", m.name, d.startTime, d.stopTime, len(d.data.Bytes()))
m.flushFn(d.startTime, d.stopTime, d.data.Bytes())
d.releaseMemory()
// local logbuffer is different from aggregate logbuffer here
m.lastFlushTime = d.stopTime
}
}
@ -143,7 +147,6 @@ func (m *LogBuffer) loopInterval() {
m.Unlock()
return
}
// println("loop interval")
toFlush := m.copyToFlush()
m.flushChan <- toFlush
m.Unlock()
@ -162,7 +165,6 @@ func (m *LogBuffer) copyToFlush() *dataToFlush {
data: copiedBytes(m.buf[:m.pos]),
}
}
// fmt.Printf("flusing [0,%d) with %d entries\n", m.pos, len(m.idx))
m.buf = m.prevBuffers.SealBuffer(m.startTime, m.stopTime, m.buf, m.pos)
m.pos = 0
m.idx = m.idx[:0]
@ -200,12 +202,9 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
}
if lastReadTime.Before(m.startTime) {
// println("checking ", lastReadTime.UnixNano())
for i, buf := range m.prevBuffers.buffers {
for _, buf := range m.prevBuffers.buffers {
if buf.startTime.After(lastReadTime) {
if i == 0 {
// println("return the earliest in memory", buf.startTime.UnixNano())
return copiedBytes(buf.buf[:buf.size]), nil
}
// glog.V(4).Infof("%s return the %d sealed buffer %v", m.name, i, buf.startTime)
// println("return the", i, "th in memory", buf.startTime.UnixNano())
return copiedBytes(buf.buf[:buf.size]), nil
}
@ -215,7 +214,7 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
return copiedBytes(buf.buf[pos:buf.size]), nil
}
}
// println("return the current buf", lastReadTime.UnixNano())
// glog.V(4).Infof("%s return the current buf %v", m.name, lastReadTime)
return copiedBytes(m.buf[:m.pos]), nil
}

4
weed/util/log_buffer/log_buffer_test.go
View file

@ -10,7 +10,7 @@ import (
)
func TestNewLogBufferFirstBuffer(t *testing.T) {
lb := NewLogBuffer(time.Minute, func(startTime, stopTime time.Time, buf []byte) {
lb := NewLogBuffer("test", time.Minute, func(startTime, stopTime time.Time, buf []byte) {
}, func() {
@ -27,7 +27,7 @@ func TestNewLogBufferFirstBuffer(t *testing.T) {
}
receivedmessageCount := 0
lb.LoopProcessLogData(startTime, func() bool {
lb.LoopProcessLogData("test", startTime, func() bool {
// stop if no more messages
return false
}, func(logEntry *filer_pb.LogEntry) error {

14
weed/util/log_buffer/log_read.go
View file

@ -17,10 +17,7 @@ var (
ResumeFromDiskError = fmt.Errorf("resumeFromDisk")
)
func (logBuffer *LogBuffer) LoopProcessLogData(
startTreadTime time.Time,
waitForDataFn func() bool,
eachLogDataFn func(logEntry *filer_pb.LogEntry) error) (lastReadTime time.Time, err error) {
func (logBuffer *LogBuffer) LoopProcessLogData(readerName string, startTreadTime time.Time, waitForDataFn func() bool, eachLogDataFn func(logEntry *filer_pb.LogEntry) error) (lastReadTime time.Time, err error) {
// loop through all messages
var bytesBuf *bytes.Buffer
lastReadTime = startTreadTime
@ -39,7 +36,7 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
if err == ResumeFromDiskError {
return lastReadTime, ResumeFromDiskError
}
// fmt.Printf("ReadFromBuffer by %v\n", lastReadTime)
// glog.V(4).Infof("%s ReadFromBuffer by %v", readerName, lastReadTime)
if bytesBuf == nil {
if waitForDataFn() {
continue
@ -49,7 +46,7 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
}
buf := bytesBuf.Bytes()
// fmt.Printf("ReadFromBuffer by %v size %d\n", lastReadTime, len(buf))
// fmt.Printf("ReadFromBuffer %s by %v size %d\n", readerName, lastReadTime, len(buf))
batchSize := 0
var startReadTime time.Time
@ -59,7 +56,7 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
size := util.BytesToUint32(buf[pos : pos+4])
if pos+4+int(size) > len(buf) {
err = ResumeError
glog.Errorf("LoopProcessLogData: read buffer %v read %d [%d,%d) from [0,%d)", lastReadTime, batchSize, pos, pos+int(size)+4, len(buf))
glog.Errorf("LoopProcessLogData: %s read buffer %v read %d [%d,%d) from [0,%d)", readerName, lastReadTime, batchSize, pos, pos+int(size)+4, len(buf))
return
}
entryData := buf[pos+4 : pos+4+int(size)]
@ -81,9 +78,10 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
pos += 4 + int(size)
batchSize++
}
// fmt.Printf("sent message ts[%d,%d] size %d\n", startReadTime.UnixNano(), lastReadTime.UnixNano(), batchSize)
// glog.V(4).Infof("%s sent messages ts[%+v,%+v] size %d\n", readerName, startReadTime, lastReadTime, batchSize)
}
}