etcd-io__etcd/Documentation/learning/client-feature-matrix.md

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title: Client feature matrix

Features

Feature	clientv3-grpc1.14	jetcd v0.0.2
Automatic retry	Yes	.
Retry backoff	Yes	.
Automatic failover	Yes	.
Load balancer	Round-Robin	·
WithRequireLeader(context.Context)	Yes	.
TLS	Yes	Yes
SetEndpoints	Yes	.
Sync endpoints	Yes	.
AutoSyncInterval	Yes	.
KeepAlive ping	Yes	.
MaxCallSendMsgSize	Yes	.
MaxCallRecvMsgSize	Yes	.
RejectOldCluster	Yes	.

KV

Feature	clientv3-grpc1.14	jetcd v0.0.2
Put	Yes	.
Get	Yes	.
Delete	Yes	.
Compact	Yes	.
Do(Op)	Yes	.
Txn	Yes	.

Lease

Feature	clientv3-grpc1.14	jetcd v0.0.2
Grant	Yes	.
Revoke	Yes	.
TimeToLive	Yes	.
Leases	Yes	.
KeepAlive	Yes	.
KeepAliveOnce	Yes	.

Watcher

Feature	clientv3-grpc1.14	jetcd v0.0.2
Watch	Yes	Yes
RequestProgress	Yes	.

Cluster

Feature	clientv3-grpc1.14	jetcd v0.0.2
MemberList	Yes	Yes
MemberAdd	Yes	Yes
MemberRemove	Yes	Yes
MemberUpdate	Yes	Yes

Maintenance

Feature	clientv3-grpc1.14	jetcd v0.0.2
AlarmList	Yes	Yes
AlarmDisarm	Yes	·
Defragment	Yes	·
Status	Yes	·
HashKV	Yes	·
Snapshot	Yes	·
MoveLeader	Yes	·

Auth

Feature	clientv3-grpc1.14	jetcd v0.0.2
AuthEnable	Yes	.
AuthDisable	Yes	.
UserAdd	Yes	.
UserDelete	Yes	.
UserChangePassword	Yes	.
UserGrantRole	Yes	.
UserGet	Yes	.
UserList	Yes	.
UserRevokeRole	Yes	.
RoleAdd	Yes	.
RoleGrantPermission	Yes	.
RoleGet	Yes	.
RoleList	Yes	.
RoleRevokePermission	Yes	.
RoleDelete	Yes	.

clientv3util

Feature	clientv3-grpc1.14	jetcd v0.0.2
KeyExists	Yes	No
KeyMissing	Yes	No

Concurrency

Feature	clientv3-grpc1.14	jetcd v0.0.2
Session	Yes	No
NewMutex(Session, prefix)	Yes	No
NewElection(Session, prefix)	Yes	No
NewLocker(Session, prefix)	Yes	No
STM Isolation SerializableSnapshot	Yes	No
STM Isolation Serializable	Yes	No
STM Isolation RepeatableReads	Yes	No
STM Isolation ReadCommitted	Yes	No
STM Get	Yes	No
STM Put	Yes	No
STM Rev	Yes	No
STM Del	Yes	No

Leasing

Feature	clientv3-grpc1.14	jetcd v0.0.2
NewKV(Client, prefix)	Yes	No

Mirror

Feature	clientv3-grpc1.14	jetcd v0.0.2
SyncBase	Yes	No
SyncUpdates	Yes	No

Namespace

Feature	clientv3-grpc1.14	jetcd v0.0.2
KV	Yes	No
Lease	Yes	No
Watcher	Yes	No

Naming

Feature	clientv3-grpc1.14	jetcd v0.0.2
GRPCResolver	Yes	No

Ordering

Feature	clientv3-grpc1.14	jetcd v0.0.2
KV	Yes	No

Snapshot

Feature	clientv3-grpc1.14	jetcd v0.0.2
Save	Yes	No
Status	Yes	No
Restore	Yes	No