luxolus/open-consul
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Author SHA1 Message Date
Armon Dadgar 7a63f822a3 consul: First pass to reduce KV watch cost 2015-01-05 16:18:27 -08:00
Armon Dadgar 8eaee53661 consul: Adding more useful metrics 2015-01-05 15:13:39 -08:00
Armon Dadgar 5ad16ca00f consul: Fixing the KVS tests 2015-01-05 15:06:53 -08:00
Armon Dadgar 200b348f69 consul: Disable tombstones as follower 2015-01-05 14:58:59 -08:00
Armon Dadgar 4f6f5ae6f0 consul: Improve log message 2015-01-05 14:43:56 -08:00
Armon Dadgar bf40a2ac1f consul: Reverting some index compute logic 2015-01-05 14:43:56 -08:00
Armon Dadgar 7a4b532564 consul: List Keys should handle tombstones 2015-01-05 14:43:56 -08:00
Armon Dadgar b70dac1a62 consul: Ensure KVS List handles tombstones 2015-01-05 14:43:56 -08:00
Armon Dadgar a350ec9379 consul: Mesure time for reapTombstones 2015-01-05 14:43:56 -08:00
Armon Dadgar e2bfaa11a2 consul: Testing leader issue of reap command 2015-01-05 14:43:56 -08:00
Armon Dadgar b1fefa6d90 consul: Test FSM Reap operations 2015-01-05 14:43:56 -08:00
Armon Dadgar 7736e701ca consul: Test FSM restore of tombstones 2015-01-05 14:43:56 -08:00
Armon Dadgar 91f8ff41eb consul: Testing tombstone snapshot 2015-01-05 14:43:55 -08:00
Armon Dadgar 41886c6af5 consul: Testing tombstone reaping 2015-01-05 14:43:55 -08:00
Armon Dadgar bba573dfbc consul: Test tombstone creation 2015-01-05 14:43:55 -08:00
Armon Dadgar f9d322f346 consul: Persist tombstones 2015-01-05 14:43:55 -08:00
Armon Dadgar 9152fae109 consul: First pass at tombstone reaping 2015-01-05 14:43:55 -08:00
Armon Dadgar 0c9cbdb3d1 consul: TombstoneReapRequestType -> TombstoneRequestType 2015-01-05 14:43:55 -08:00
Armon Dadgar 8681d913ba consul: Generate a raft operation to reap tombstones 2015-01-05 14:43:55 -08:00
Armon Dadgar 02e984e4c4 consul: Adding new request to reap tombstones 2015-01-05 14:43:55 -08:00
Armon Dadgar 9f30ffbf9a consul: Leader should reset the tombstone GC clock 2015-01-05 14:43:55 -08:00
Armon Dadgar fb8f7fd929 consul: Adding PendingExpiration 2015-01-05 14:43:55 -08:00
Armon Dadgar 71c2c1468d consul: Thread Tombstone GC through 2015-01-05 14:43:55 -08:00
Armon Dadgar ae69cbca7b consul: Fixing accidental commit of transaction 2015-01-05 14:43:54 -08:00
Armon Dadgar 4da4e322a3 consul: Fixing tombstone creation and hinting of GC 2015-01-05 14:43:54 -08:00
Armon Dadgar 1a9431847b consul: Adding GetTxnLimit to MDBTable 2015-01-05 14:43:54 -08:00
Armon Dadgar 2724061351 consul: Support reset of tombstone GC 2015-01-05 14:43:54 -08:00
Armon Dadgar 4430f4592d consul: Adding TombstoneGC to track TTLs 2015-01-05 14:43:54 -08:00
Armon Dadgar 3e2bd0db2c consul: Rename TombstoneGC to TombstoneTTL 2015-01-05 14:43:54 -08:00
Armon Dadgar 68caf9046c consul: Create tombstones before key deletes 2015-01-05 14:43:54 -08:00
Armon Dadgar d5369098ba consul: Adding TombstoneGC config 2015-01-05 14:43:54 -08:00
Armon Dadgar 6b9ace19cf consul: Collect useful session metrics 2015-01-02 22:46:51 +05:30
Armon Dadgar d8c65aabee consul: Minor cleanup 2014-12-12 22:17:41 -08:00
Armon Dadgar c0d3798154 consul: Test Session.Apply updates session timers 2014-12-12 21:54:29 -08:00
Armon Dadgar 4d0903f781 consul: Adding more tests for session TTLs 2014-12-12 21:42:59 -08:00
Armon Dadgar 5b6ce2ca4a consul: Setup ACLs and timers after initial barrier 2014-12-12 21:42:24 -08:00
Armon Dadgar f25566931f consul: Make sessionTimersLock a plain mutex 2014-12-12 19:17:35 -08:00
Armon Dadgar 9b897d1134 consul: Ignore zero ttl on session 2014-12-12 19:17:04 -08:00
Armon Dadgar 990ad02f83 consul: Minor cleanups 2014-12-12 15:43:34 -08:00
Armon Dadgar 8dbfe7c9a8 Merge pull request #524 from amalaviy/session_ttl 
Consul Session TTLs
 2014-12-12 14:42:25 -08:00
Atin Malaviya 073020f6be Add invalidateSession test 2014-12-11 06:09:53 -05:00
Atin Malaviya 5a76929ba4 Fixed clearSessionTimer, created invalidateSession, added invalid TTL test 2014-12-11 05:34:31 -05:00
Atin Malaviya 7ece29c3e0 Took out usage of snapshot SessionListTTL 2014-12-10 21:37:06 -05:00
Atin Malaviya 2de09dc2e7 Took out StateSnapshot SessionListTTL also 2014-12-10 20:53:05 -05:00
Atin Malaviya 8369b77204 Clean up code based on feedback from armon 2014-12-10 20:49:06 -05:00
Atin Malaviya a1afc07f54 Added more tests 2014-12-10 16:43:15 -05:00
Atin Malaviya c992c18ef0 Added more tests. Also added return of 404 if the session id to renew is not found 2014-12-10 10:02:23 -05:00
Atin Malaviya b623af776b Consul Session TTLs 
The design of the session TTLs is based on the Google Chubby approach
(http://research.google.com/archive/chubby-osdi06.pdf). The Session
struct has an additional TTL field now. This attaches an implicit
heartbeat based failure detector. Tracking of heartbeats is done by
the current leader and not persisted via the Raft log. The implication
of this is during a leader failover, we do not retain the last
heartbeat times.

Similar to Chubby, the TTL represents a lower-bound. Consul promises
not to terminate a session before the TTL has expired, but is allowed
to extend the expiration past it. This enables us to reset the TTL on
a leader failover. The TTL is also extended when the client does a
heartbeat. Like Chubby, this means a TTL is extended on creation,
heartbeat or failover.

Additionally, because we must account for time requests are in transit
and the relative rates of clocks on the clients and servers, Consul
will take the conservative approach of internally multiplying the TTL
by 2x. This helps to compensate for network latency and clock skew
without violating the contract.

Reference: https://docs.google.com/document/d/1Y5-pahLkUaA7Kz4SBU_mehKiyt9yaaUGcBTMZR7lToY/edit?usp=sharing
 2014-12-07 12:38:22 -05:00
Ali Abbas a542df954f cleanup and simplify 2014-12-06 13:08:35 +01:00
Ali Abbas 40979b1159 * use defer to avoid tracking lock 
* simplify control flow
 2014-12-06 12:32:18 +01:00