[MXS-4415] Warning for xpandmon for 'leaving' / 'late, leaving' being an unknown sub-state Created: 2022-11-25  Updated: 2022-11-25  Resolved: 2022-11-25

Status: Closed
Project: MariaDB MaxScale
Component/s: xpandmon
Affects Version/s: 2.5, 6.4, 22.08
Fix Version/s: 6.4.4, 22.08.3

Type: Bug Priority: Minor
Reporter: Anurag Kumar (Inactive) Assignee: Johan Wikman
Resolution: Fixed Votes: 0
Labels: None


 Description   

We fixed MXS-4259
but there is another case where substate involves 'leaving' that is still causing a similar warning in maxscale log.

when a node is softfailed, it goes into leaving sub-state in xpand.

2022-11-25 07:25:47   info   : [xpandmon] 'leaving' is an unknown sub-state for a Xpand node.

if a late node is softfailed, it goes into 'late, leaving' sub-state

2022-11-25 07:25:47   info   : [xpandmon] 'late, leaving' is an unknown sub-state for a Xpand node.

On Xpand:

Cluster Name:    cl5365893c212781ba
Cluster Version: 6.1_beta1
Cluster Status:   OK 
Cluster Size:    9 nodes - 16 CPUs per Node
Current Node:    karma016 - nid 1
 
nid |  Hostname | Status |    Substate    |  IP Address  | TPS |      Used      |  Total 
----+-----------+--------+----------------+--------------+-----+----------------+--------
  1 |  karma016 |    OK  |         normal |   10.2.15.19 |   1 |  10.0M (0.00%) |  761.9G
  2 |  karma189 |    OK  |         normal |  10.2.12.141 |   0 |   9.8M (0.00%) |  761.9G
  3 |  karma180 |    OK  |         normal |  10.2.15.180 |   0 |   9.8M (0.00%) |  761.9G
  4 |  karma198 |    OK  |         normal |   10.2.13.98 |   0 |   9.8M (0.00%) |  761.9G
  5 |  karma192 |    OK  |         normal |   10.2.13.92 |   0 |   9.8M (0.00%) |  761.9G
  6 |  karma108 |    OK  |         normal |   10.2.13.91 |   0 |   9.8M (0.00%) |  761.9G
  7 |  karma153 |    OK  |         normal |  10.2.13.172 |   0 |   9.8M (0.00%) |  761.9G
  8 |  karma024 |    OK  |        leaving |   10.2.15.33 |   0 |   8.7M (0.00%) |  761.9G
 10 |  karma197 |    OK  |  late, leaving |   10.2.13.97 |   0 |   8.7M (0.00%) |  761.9G
----+-----------+--------+----------------+--------------+-----+----------------+--------
                                                             1 |  86.2M (0.00%) |    6.7T

On Maxscale:

[root@oak013red ~]# maxctrl list servers
┌───────────────────────────┬─────────────────────────────┬──────┬─────────────┬──────────────────────────┬──────┬─────────────────┐
│ Server                    │ Address                     │ Port │ Connections │ State                    │ GTID │ Monitor         │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ xpand1                    │ karma016.colo.sproutsys.com │ 3306 │ 0           │ Master, Running          │      │ Backend-Monitor │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-1  │ 10.2.15.19                  │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-5  │ 10.2.13.92                  │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-2  │ 10.2.12.141                 │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-4  │ 10.2.13.98                  │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-6  │ 10.2.13.91                  │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-8  │ 10.2.15.33                  │ 3306 │ 0           │ Drained, Master, Running │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-3  │ 10.2.15.180                 │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-7  │ 10.2.13.172                 │ 3306 │ 0           │ Master, Running          │      │                 │
├───────────────────────────┼─────────────────────────────┼──────┼─────────────┼──────────────────────────┼──────┼─────────────────┤
│ @@Backend-Monitor:node-10 │ 10.2.13.97                  │ 3306 │ 0           │ Drained, Master, Running │      │                 │
└───────────────────────────┴─────────────────────────────┴──────┴─────────────┴──────────────────────────┴──────┴─────────────────┘
[root@oak013red ~]# 

We can safely ignore this sub-state as well and instead of Warning we should make it Info or simply not show it.


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