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57 Commits

Author SHA1 Message Date
Xiang Li
86c66cd802 raft: remove unused code 2014-10-25 19:56:13 -07:00
Soheil Hassas Yeganeh
09e9618b02 raft: change raftLog.maybeAppend to return the last new index 
As per @unihorn's comment on #1366, we change raftLog.maybeAppend to
return the last new index of entries in maybeAppend.
 2014-10-23 15:42:47 -04:00
Yicheng Qin
e200d2a8e2 etcdserver/raft: remove msgDenied, removedNodes, shouldStop 
The future plan is to do all these in etcdserver level.
 2014-10-20 15:13:18 -07:00
Jonathan Boulle
7a4d42166b *: add license header to all source files 2014-10-17 15:41:22 -07:00
Jonathan Boulle
fc42bdb904 raft: remove unused compactThreshold 2014-10-16 17:11:10 -07:00
Xiang Li
af5b8c6c44 raft: int64 -> uint64 2014-10-09 14:26:43 +08:00
Xiang Li
7b61565c0a raft: save removed nodes in snapshot 2014-10-08 15:33:55 +08:00
Xiang Li
b3c1bd5616 raft: commitIndex=min(leaderCommit, index of last new entry) 2014-09-29 14:38:17 -07:00
Xiang Li
ab61a8aa9a *: init for on disk snap support 2014-09-17 13:56:12 -07:00
Yicheng Qin
140fd6d6c4 raft: restart using last written entry also 2014-09-15 09:56:33 -07:00
Yicheng Qin
a9af70c52b raft: write entry 0 into log 2014-09-15 09:55:52 -07:00
Yicheng Qin
072a21782e Merge pull request #1049 from unihorn/120 
raftLog: enhance check in compact
 2014-09-12 11:35:41 -07:00
Yicheng Qin
d31443f5a3 raftLog: compact applied entries only 
compact MUST happen on entries that have been applied, or
1. it may screw up the log by setting wrong commitIndex
2. discard unapplied entries
 2014-09-12 11:34:08 -07:00
Brandon Philips
3bc4b2db12 raft: log comment grammar fix 2014-09-11 13:59:50 -07:00
Xiang Li
eaffaacf5e raft: do not need to copy committed entries 2014-09-09 14:09:30 -07:00
Jonathan Boulle
9997c9488a *: fix a few small issues identified by go vet 2014-09-08 23:52:36 -07:00
Blake Mizerany
8d9b7b1680 raft: remove entry type 2014-09-03 15:24:47 -07:00
Blake Mizerany
8463421448 raft: remove configuration 2014-09-03 15:23:05 -07:00
Blake Mizerany
e8e588c67b raft: move protobufs into raftpb 2014-09-03 09:20:17 -07:00
Blake Mizerany
ddd219f297 many: marshal message 2014-09-03 09:20:16 -07:00
Blake Mizerany
4aa15294a8 raft: re-remove clusterId from raft 2014-09-03 09:20:14 -07:00
Blake Mizerany
134a962222 raft: move raft2 to raft 2014-09-03 09:20:14 -07:00
Blake Mizerany
0453d09af6 raft: moved into new raft 2014-09-03 09:20:11 -07:00
Blake Mizerany
f03c3bce05 raft: seperate dequeuing from slicing 2014-09-03 09:20:11 -07:00
Yicheng Qin
a28dc4559b raft/etcd: recover node 2014-09-03 09:20:10 -07:00
Xiang Li
a5df254e53 raft: add clusterId to snapshot 2014-09-03 09:20:08 -07:00
Yicheng Qin
ba63cf666d raft: add recover 2014-09-03 09:20:02 -07:00
Xiang Li
6030261363 etcd/raft: add snap 2014-09-03 09:20:02 -07:00
Xiang Li
38ec659cd6 raft: make Entry a protobuf type 2014-09-03 09:20:01 -07:00
Xiang Li
54b4f52e48 raft: add index to entry 2014-09-03 09:20:01 -07:00
Xiang Li
b383cd5acf raft: refactor recover 2014-09-03 09:19:59 -07:00
Yicheng Qin
e850c644da raft: return offset for unstableEnts 2014-09-03 09:19:58 -07:00
Xiang Li
609e13a240 raft: add node.Unstable 
Be able to return all unstable log entries. Application must store unstable
log entries before send out any messages after calling step.
 2014-09-03 09:19:58 -07:00
Xiang Li
1288e1f39d raft: log->raftlog 2014-09-03 09:19:58 -07:00
Xiang Li
c7d1beaaa5 raft: add first level logging 
We log the message to step and the state of the statemachine before and after
stepping the message.
 2014-09-03 09:19:58 -07:00
Xiang Li
2665cc1cc8 raft: heartbeat should not contain entries 2014-09-03 09:19:57 -07:00
Xiang Li
060de128a7 raft: add clusterId 2014-09-03 09:19:56 -07:00
Xiang Li
447d7dc51b raft: fix log append; add tests 2014-09-03 09:19:49 -07:00
Xiang Li
30f4d9faea raft: change index and term to int64 2014-09-03 09:05:14 -07:00
Xiang Li
2a11c1487c raft: sm.compact and sm.restore 2014-09-03 09:05:12 -07:00
Xiang Li
064004b899 raft: add log compact 2014-09-03 09:05:12 -07:00
Xiang Li
6a232dfc13 raft: add offset for log 2014-09-03 09:05:12 -07:00
Xiang Li
f387e3e27d raft: add Entry.isConfig 2014-09-03 09:05:11 -07:00
Xiang Li
3817661f82 raft: rename ConfigAdd/ConfigRemove -> AddNode/RemoveNode 2014-09-03 09:05:11 -07:00
Xiang Li
9f315ffe10 raft: make entry type public 2014-09-03 09:05:11 -07:00
Xiang Li
1a75beb57c raft: add confAdd and confRemove entry type 2014-09-03 09:05:09 -07:00
Xiang Li
c03fbf68d6 raft: add conf safety 
To make configuration change safe without adding configuration protocol:

1. We only allow to add/remove one node at a time.

2. We only allow one uncommitted configuration entry in the log.

These two rules can make sure there is no disjoint quorums in both current cluster and the
future(after applied any number of committed entries or uncommitted entries in log) clusters.

We add a type field in Entry structure for two reasons:

1. Statemachine needs to know if there is a pending configuration change.

2. Configuration entry should be executed by raft package rather application who is using raft.
 2014-09-03 09:05:09 -07:00
Xiang Li
0cdd1b58a4 raft: rename log.commit to log.committed 2014-09-03 09:05:07 -07:00
Xiang Li
9cd3b2153f raft: comment log.nextEnts 2014-09-03 09:05:07 -07:00
Xiang Li
a06729a96a raft: use log.lastIndex() 2014-09-03 09:05:07 -07:00