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PoC: Patroni on pure RAFT (#375)

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* new node can join the cluster dynamically and become a part of consensus
 * it is also possible to join only Patroni cluster (without adding the node to the raft), just comment or remove `raft.self_addr` for that
 * when the node joins the cluster it is using values from `raft.partner_addrs` only for initial discovery.
* It is possible to run Patroni and Postgres on two nodes plus one node with `patroni_raft_controller` (without Patroni and Postgres). In such setup one can temporarily lose one node without affecting the primary.
This commit is contained in:
Alexander Kukushkin
2020-07-29 15:34:44 +02:00
committed by GitHub
parent c42d507b82
commit bfbc4860d5
19 changed files with 884 additions and 89 deletions
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postgres2.yml
+7
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@@ -30,6 +30,13 @@ etcd:
#It is possible to change this behavior through by setting:
#use_proxies: true
#raft:
# data_dir: .
# self_addr: 127.0.0.1:2224
# partner_addrs:
# - 127.0.0.1:2222
# - 127.0.0.1:2223
bootstrap:
# this section will be written into Etcd:/<namespace>/<scope>/config after initializing new cluster
# and all other cluster members will use it as a `global configuration`