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Change wal.Commit to take serverId

pull/269/head
Paul Dix 2014-02-20 16:04:10 -05:00
parent 74b151968d
commit 1bd8dc8da0
4 changed files with 7 additions and 6 deletions
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3
src/cluster/cluster_configuration.go
View File

@ -32,7 +32,7 @@ type QuerySpec interface {
type WAL interface {
AssignSequenceNumbersAndLog(request *protocol.Request, shard wal.Shard) (uint32, error)
Commit(requestNumber uint32, server wal.Server) error
Commit(requestNumber uint32, serverId uint32) error
RecoverServerFromRequestNumber(requestNumber uint32, shardIds []uint32, yield func(request *protocol.Request, shardId uint32) error) error
RecoverServerFromLastCommit(serverId uint32, shardIds []uint32, yield func(request *protocol.Request, shardId uint32) error) error
}
@ -987,6 +987,7 @@ func (self *ClusterConfiguration) RecoverFromWAL() error {
// }
// }
// waitForAll.Wait()
return nil
}
func (self *ClusterConfiguration) updateOrRemoveShard(shardId uint32, serverIds []uint32) {

4
src/cluster/shard.go
View File

@ -311,7 +311,7 @@ func (self *ShardData) logAndHandleDestructiveQuery(querySpec *parser.QuerySpec,
if *res.Type == endStreamResponse {
// don't need to do a commit for the local datastore for now.
if i < len(self.clusterServers) {
self.wal.Commit(requestNumber, self.clusterServers[i])
self.wal.Commit(requestNumber, self.clusterServers[i].Id)
}
break
}
@ -369,7 +369,7 @@ func (self *ShardData) handleWritesToServer(server *ClusterServer, writeBuffer c
response := <-responseStream
if *response.Type == protocol.Response_WRITE_OK {
fmt.Println("COMMIT!")
self.wal.Commit(requestNumber, server)
self.wal.Commit(requestNumber, server.Id)
} else {
// TODO: retry logic for failed request
log.Error("REQUEST to server %s failed:: ", server.ProtobufConnectionString, response.GetErrorMessage())

2
src/coordinator/coordinator_test.go
View File

@ -76,7 +76,7 @@ type WALMock struct {
func (self *WALMock) AssignSequenceNumbersAndLog(request *protocol.Request, shard wal.Shard, servers []wal.Server) (uint32, error) {
return uint32(1), nil
}
func (self *WALMock) Commit(requestNumber uint32, server wal.Server) error {
func (self *WALMock) Commit(requestNumber uint32, serverId uint32) error {
return nil
}
func (self *WALMock) RecoverFromLog(yield func(request *protocol.Request, shard wal.Shard, server wal.Server) error) error {

4
src/wal/wal.go
View File

@ -80,9 +80,9 @@ func (self *WAL) SetServerId(id uint32) {
}
// Marks a given request for a given server as committed
func (self *WAL) Commit(requestNumber uint32, server Server) error {
func (self *WAL) Commit(requestNumber uint32, serverId uint32) error {
lastLogFile := self.logFiles[len(self.logFiles)-1]
lastLogFile.state.commitRequestNumber(server.GetId(), requestNumber)
lastLogFile.state.commitRequestNumber(serverId, requestNumber)
lowestCommitedRequestNumber := lastLogFile.state.LowestCommitedRequestNumber()
index := self.firstLogFile(lowestCommitedRequestNumber)