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| author | Tor Brede Vekterli <vekterli@verizonmedia.com> | 2019-07-11 15:14:22 +0200 |
|---|---|---|
| committer | Tor Brede Vekterli <vekterli@verizonmedia.com> | 2019-07-11 15:16:15 +0200 |
| commit | f76ef475431084530c1e6d77eb5cec4788ed8ff7 (patch) | |
| tree | 60d8d64b35213b1565899ddbce98d70dc429cf8b /searchcommon | |
| parent | 1c79079945c56fa91de8427fbc8f2170eec9ed8c (diff) | |
Guard critical cluster state version ZK writes with an atomic CaS
Lets a controller discover that another controller also believes it is
the leader by tracking the expected znode versions for cluster state
version and bundle znodes.
If a CaS failure is triggered, the controller will drop its database
and election state, forcing a state refresh.
Diffstat (limited to 'searchcommon')
0 files changed, 0 insertions, 0 deletions