[MCOL-4168] Systemd units load ExtentMap twice. Created: 2020-07-13  Updated: 2023-10-26  Resolved: 2020-07-22

Status: Closed
Project: MariaDB ColumnStore
Component/s: None
Affects Version/s: None
Fix Version/s: 1.5.3

Type: Task Priority: Major
Reporter: Roman Assignee: Roman
Resolution: Fixed Votes: 0
Labels: None


 Description   

Here is a snippet from CMAPI log that demonstrates that that systemd units load EM twice at least in multi-node environment.

127.0.0.1 - - [12/Jul/2020 15:51:49] cmapi_server DEBUG    put_start starts                                                                                                                                                          [50/1899]
 
[12/Jul/2020 15:51:49] root  apply Running start on mcs-storagemanager. With sudo True.
 
[12/Jul/2020 15:51:49] root  start running sudo systemctl start mcs-storagemanager
 
[12/Jul/2020 15:51:49] root  apply Running start on mcs-loadbrm. With sudo True.
 
[12/Jul/2020 15:51:49] root  start running sudo systemctl start mcs-loadbrm
 
172.30.0.206 - - [12/Jul/2020:15:51:49] "GET /cmapi/0.4.0/node/meta/em HTTP/1.1" 200 3436 "" "python-requests/2.23.0"
 
172.30.0.206 - - [12/Jul/2020:15:51:49] "GET /cmapi/0.4.0/node/meta/journal HTTP/1.1" 200 - "" "python-requests/2.23.0"
 
172.30.0.206 - - [12/Jul/2020:15:51:49] "GET /cmapi/0.4.0/node/meta/vbbm HTTP/1.1" 200 36 "" "python-requests/2.23.0"
 
172.30.0.206 - - [12/Jul/2020:15:51:49] "GET /cmapi/0.4.0/node/meta/vss HTTP/1.1" 200 8 "" "python-requests/2.23.0"
 
[12/Jul/2020 15:51:51] root  apply Running start on mcs-workernode. With sudo True.
 
[12/Jul/2020 15:51:51] root  start running sudo systemctl start mcs-workernode
 
172.30.0.206 - - [12/Jul/2020:15:51:51] "GET /cmapi/0.4.0/node/meta/em HTTP/1.1" 200 3436 "" "python-requests/2.23.0"
 
172.30.0.206 - - [12/Jul/2020:15:51:51] "GET /cmapi/0.4.0/node/meta/journal HTTP/1.1" 200 - "" "python-requests/2.23.0"
 
172.30.0.206 - - [12/Jul/2020:15:51:51] "GET /cmapi/0.4.0/node/meta/vbbm HTTP/1.1" 200 36 "" "python-requests/2.23.0"
 
172.30.0.206 - - [12/Jul/2020:15:51:51] "GET /cmapi/0.4.0/node/meta/vss HTTP/1.1" 200 8 "" "python-requests/2.23.0"
 
[12/Jul/2020 15:51:53] root  apply Waiting for all workernodes to come up before starting controllernode on the primary.
 
[12/Jul/2020 15:51:53] root  apply Trying...
 
[12/Jul/2020 15:51:54] root  apply Trying...



 Comments   
Comment by Jose Rojas (Inactive) [ 2020-07-15 ]

I believe this PR fixed issue https://github.com/mariadb-corporation/mariadb-columnstore-engine/pull/1340

https://jira.mariadb.org/browse/MCOL-4169 was related issue and i have marked ticket as a duplicate

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