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144 Commits

Author SHA1 Message Date
Nathan VanBenschoten
f89b06dc6d raft: provide protection against unbounded Raft log growth 
The suggested pattern for Raft proposals is that they be retried
periodically until they succeed. This turns out to be an issue
when a leader cannot commit entries because the leader will continue
to append re-proposed entries to its log without committing anything.
This can result in the uncommitted tail of a leader's log growing
without bound until it is able to commit entries.

This change add a safeguard to protect against this case where a
leader's log can grow without bound during loss of quorum scenarios.
It does so by introducing a new, optional ``MaxUncommittedEntriesSize
configuration. This config limits the max aggregate size of uncommitted
entries that may be appended to a leader's log. Once this limit
is exceeded, proposals will begin to return ErrProposalDropped
errors.

See cockroachdb/cockroach#27772
 2018-10-13 23:25:05 -04:00
Wenjia
1cab49ef78
Merge pull request #9718 from kchristidis/fix-snap-pub-error 
raftexample: Fix publish snapshot error message
 2018-10-11 16:45:55 -07:00
caoming
dd6e579b84 raftexample: use Rlock instead of Lock in getsnapshot 2018-09-19 13:25:47 +08:00
Vimal K
bcde798fdd *: path changes for moving to github/etcd-io/etcd 2018-09-03 21:57:23 +05:30
Vimal K
9bad6fd442 contrib/recipes/watch.go : cancel() the watch after desired watch event 
fixes #9882
 2018-09-01 18:18:24 +05:30
Gyuho Lee
c0f6597c02 contrib/systemd: remove v2 service files 
Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
 2018-08-28 18:35:01 -07:00
Gyuho Lee
d37f1521b7 *: update import paths to "go.etcd.io/etcd" 
Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
 2018-08-28 17:47:55 -07:00
Iskander Sharipov
1de9e1b00d contrib/recipes: use clientv3.NoLease instead of 0 
If we have a named const, it's more readable to use that.

Found using https://go-critic.github.io/overview#namedConst-ref
 2018-07-28 23:56:45 +03:00
Kostas Christidis
9431532730 raftexample: Fix publish snapshot error message 
The error message is different to the condition it checks for. This PR
modifies the error message accordingly.

Closes #9717.

Signed-off-by: Kostas Christidis <kostas@christidis.io>
 2018-07-26 11:14:15 -04:00
Gyuho Lee
42bef8460c *: clean up code format 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-07-21 16:34:56 -07:00
Gyuho Lee
7940113906 *: move internal "etcdserver/api/rafthttp" 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-05-21 10:31:16 -07:00
Gyuho Lee
04df89bc11 contrib/raftexample: rename internal packages 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-05-21 07:45:34 -07:00
Gyuho Lee
4a0bf23d1f contrib/raftexample: rename "snapCount" 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-05-18 14:39:47 -07:00
Gyuho Lee
7a92bbfed2 etcdserver/*: move internal v2 packages 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-05-14 12:49:49 -07:00
Sam Batschelet
4c928813fb contrib: add gRPC gateway script for user/add with full chain TLS. 2018-05-04 10:03:26 -04:00
Xiang Li
02ed51d300
Merge pull request #9657 from yaojingguo/remove-dead-code 
contrib/raftexample: remove useless check
 2018-05-01 10:19:35 -07:00
Jingguo Yao
0303480b1a contrib/raftexample: fix typo 2018-05-01 11:22:36 +08:00
Jingguo Yao
cfa1efc7eb contrib/raftexample: remove useless check 
`err == raftsnap.ErrNoSnapshot` being false implies that
`err != raftsnap.ErrNoSnapshot` is true.
 2018-04-29 11:34:44 +08:00
Gyuho Lee
9063805180 contrib/tools: support structured logger 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-04-16 17:36:00 -07:00
John Eismeier
ca47aab373
*: fix typos in markdown docs 2018-03-07 10:32:07 -05:00
Gyuho Lee
8a518b01c4 *: revert "internal/mvcc" change 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-02-26 17:11:40 -08:00
Gyuho Lee
9b5d6edc4b *: revert "internal/raftsnap" 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-02-26 17:11:40 -08:00
Gyuho Lee
80d15948bc *: move "mvcc" to "internal/mvcc" 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-01-26 11:14:41 -08:00
Gyuho Lee
dee39bf786 internal/raftsnap: move "raftsnap" to internal 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-01-24 10:36:04 -08:00
Gyuho Lee
2b6fd3094f *: rename "snap" to "raftsnap" package 
Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
 2018-01-24 10:26:07 -08:00
Gyu-Ho Lee
75110dd839 *: fix naked returns 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-11-10 18:46:15 -08:00
Gyu-Ho Lee
f65aee0759 *: replace 'golang.org/x/net/context' with 'context' 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-09-07 13:39:42 -07:00
Gyu-Ho Lee
f78498b42a contrib/raftexample: use bytes.Buffer.String (no 'string()') 
Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
 2017-07-18 16:06:22 -07:00
Jackson Owens
74e020b715 contrib/raftexample: save snapshot to WAL first 
Save the snapshot index to the WAL before saving the snapshot to the
filesystem. This ensures that we'll only ever call wal.Open with a
snapshot that was previously saved to the WAL.
 2017-06-13 11:24:07 -07:00
Anthony Romano
887db5a3db *: fix go tool vet -all -shadow errors 2017-06-03 21:32:36 -07:00
Anthony Romano
33c375dc44 *: fill out blank package godocs 
Mostly one-liner short descriptions, but also includes some typo fixes
and some examples.
 2017-05-18 09:41:13 -07:00
Anthony Romano
c8a2c7f64f *: eschew you from documentation 
Removed line wrapping in affected files as well.
 2017-03-06 11:40:46 -08:00
Hitoshi Mitake
b6eedbacf9 contrib: suppress gosimple errors of raftexample 
Travis claimed errors of gosimple like below
(https://travis-ci.org/coreos/etcd/jobs/208098545):
gosimple checking failed:
contrib/raftexample/raftexample_test.go:78:6: should write erri := <-clus.errorC[i] instead of erri, _ := <-clus.errorC[i]
contrib/raftexample/raftexample_test.go:114:10: should write err := <-eC instead of err, _ := <-eC

This commit fixes the errors.
 2017-03-06 16:17:22 +09:00
Gyu-Ho Lee
19d30fd4a7 contrib: add etcd cluster deploy on systemd docs 
Fix https://github.com/coreos/etcd/issues/5971
 2017-01-26 16:56:55 -08:00
Vimal Kumar
6443c25422 contrib/recipes/key.go : fixed method comment 2017-01-23 23:42:50 +05:30
Gyu-Ho Lee
0af1679b61 raftexample: load snapshot when opening WAL 
Fix https://github.com/coreos/etcd/issues/7056.
Previously we don't load snapshot when replaying WAL.
 2016-12-30 17:28:57 -08:00
Vincent Lee
e8d06d8e4d raftexample: confState should be saved after apply 2016-11-20 16:51:33 +08:00
Anthony Romano
8f718e2e5a contrib/recipes: unexport and clean up keys.go 
Fixes #6731
 2016-10-28 11:41:13 -04:00
Gyu-Ho Lee
113b27229b raftexample: remove snapshot TODO in README 2016-09-21 05:07:04 -07:00
Gyu-Ho Lee
e4fbf7db00 raftexample: implement Raft snapshot 2016-09-21 04:23:05 -07:00
Gyu-Ho Lee
4b83f40618 raftexample: add index fields to filter entries 2016-09-21 04:23:05 -07:00
Gyu-Ho Lee
666d555450 raftexample: add snapshotter, handle Ready in raft 2016-09-21 04:23:05 -07:00
Gyu-Ho Lee
15fa8dd866 raftexample: add snapshot methods to kvstore 2016-09-21 04:23:01 -07:00
Anthony Romano
9f829fdab7 recipes: fix rwmutex so locking works 
Fixes #6408
 2016-09-13 14:09:59 -07:00
Alexander Ried
17377f5642 example .service file: Order after network.target 
From (systemd NetworkTarget description)[https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/]:
```
[...]since the shutdown ordering of units in systemd is the reverse of the startup ordering, any unit that is order After=network.target can be sure that it is stopped before the network is shut down if the system is powered off. This allows services to cleanly terminate connections before going down, instead of abruptly losing connectivity for ongoing connections, leaving them in an undefined state.[...]
```
 2016-09-08 23:11:01 +02:00
Xiang Li
feaff17259 session: remove session manager and add ttl 2016-08-15 14:12:25 -07:00
Brian Schroeder
b86e723107 contrib/raftexample: Restrict channel types 2016-07-18 17:19:54 -04:00
Gyu-Ho Lee
c1e3601776 raftexample: fixes from go vet, go lint 2016-06-22 12:04:15 -07:00
Anthony Romano
016be1ef31 contrib/recipes: fix govet and goword warnings 2016-06-17 13:13:09 -07:00
Anthony Romano
84a487f723 Revert "etcdserverpb: make RangeResponse.More an int64" 
This reverts commit 84e1ab876539b0bcd1387d7ce6c8b07b72f398d2.
 2016-06-02 13:43:40 -07:00