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app/vminsert/netstorage: dynamically adjust timeouts for sending packets from vminsert to vmstorage depending on packet size

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Bigger packets will have more chances to be sent to vmstorage.
This commit is contained in:
Aliaksandr Valialkin 2019-09-11 13:37:03 +03:00
parent 568ff61dcf
commit 694cc59ed1
1 changed files with 9 additions and 4 deletions
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13
app/vminsert/netstorage/netstorage.go
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@ -107,9 +107,6 @@ func (sn *storageNode) flushBufLocked() error {
}
func (sn *storageNode) sendBufLocked(buf []byte) error {
// sizeBuf guarantees that the rows batch will be either fully
// read or fully discarded on the vmstorage side.
// sizeBuf is used for read optimization in vmstorage.
if sn.bc == nil {
if err := sn.dial(); err != nil {
return fmt.Errorf("cannot dial %q: %s", sn.dialer.Addr(), err)
@ -118,11 +115,19 @@ func (sn *storageNode) sendBufLocked(buf []byte) error {
if len(buf) == 0 {
return nil
}
deadline := time.Now().Add(30 * time.Second)
timeoutSeconds := len(buf) / 1e6
if timeoutSeconds < 10 {
timeoutSeconds = 10
}
timeout := time.Duration(timeoutSeconds) * time.Second
deadline := time.Now().Add(timeout)
if err := sn.bc.SetWriteDeadline(deadline); err != nil {
sn.closeBrokenConn()
return fmt.Errorf("cannot set write deadline to %s: %s", deadline, err)
}
// sizeBuf guarantees that the rows batch will be either fully
// read or fully discarded on the vmstorage side.
// sizeBuf is used for read optimization in vmstorage.
sn.sizeBuf = encoding.MarshalUint64(sn.sizeBuf[:0], uint64(len(buf)))
if _, err := sn.bc.Write(sn.sizeBuf); err != nil {
sn.closeBrokenConn()