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This commit is contained in:
Chris Lu
2020-04-30 03:05:34 -07:00
parent 8c73410a51
commit f9b6178b8f
5 changed files with 20 additions and 7 deletions
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12
weed/util/log_buffer/log_buffer.go
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@@ -93,7 +93,7 @@ func (m *LogBuffer) AddToBuffer(partitionKey, data []byte) {
copy(m.buf[m.pos+4:m.pos+4+size], logEntryData)
m.pos += size + 4
// fmt.Printf("entry size %d total %d count %d\n", size, m.pos, len(m.idx))
// fmt.Printf("entry size %d total %d count %d, buffer:%p\n", size, m.pos, len(m.idx), m)
}
@@ -112,6 +112,7 @@ 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()))
m.flushFn(d.startTime, d.stopTime, d.data.Bytes())
d.releaseMemory()
}
@@ -156,7 +157,12 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
m.RLock()
defer m.RUnlock()
// fmt.Printf("read from buffer: %v last stop time: %v\n", lastReadTime.UnixNano(), m.stopTime.UnixNano())
/*
fmt.Printf("read buffer %p: %v last stop time: [%v,%v], pos %d, entries:%d, prevBufs:%d\n", m, lastReadTime, m.startTime, m.stopTime, m.pos, len(m.idx), len(m.prevBuffers.buffers))
for i, prevBuf := range m.prevBuffers.buffers {
fmt.Printf(" prev %d : %s\n", i, prevBuf.String())
}
*/
if lastReadTime.Equal(m.stopTime) {
return nil
@@ -173,6 +179,7 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
// println("return the earliest in memory", buf.startTime.UnixNano())
return copiedBytes(buf.buf[:buf.size])
}
// println("return the", i, "th in memory", buf.startTime.UnixNano())
return copiedBytes(buf.buf[:buf.size])
}
if !buf.startTime.After(lastReadTime) && buf.stopTime.After(lastReadTime) {
@@ -181,6 +188,7 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
return copiedBytes(buf.buf[pos:buf.size])
}
}
// println("return the current buf", lastReadTime.UnixNano())
return copiedBytes(m.buf[:m.pos])
}