sql: Create indexes on group_jobs_inq and group_jobs_running

A select on `(group_jobs_inq > 0 OR group_jobs_running > 0)` is done in the main loop on each daemon. Add two indexes to drastically reduce the load on the MySQL server.
mariux64 · Jan 10, 2024 · 9c07722 · 9c07722
1 parent b93fece
commit 9c07722
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diff --git a/mysql/create_tables.sql b/mysql/create_tables.sql
@@ -62,7 +62,9 @@ CREATE TABLE IF NOT EXISTS mxq_group (
    dependency_of_group  INT8 UNSIGNED NULL DEFAULT NULL,
 
    INDEX(group_id),
-   INDEX(group_name)
+   INDEX(group_name),
+   INDEX(group_jobs_inq),
+   INDEX(group_jobs_running)
 ) DEFAULT CHARSET=latin1;
 
 CREATE TABLE IF NOT EXISTS mxq_job (

diff --git a/mysql/migrate_018_add_group_indexes.sql b/mysql/migrate_018_add_group_indexes.sql
@@ -0,0 +1,2 @@
+CREATE INDEX group_jobs_inq ON mxq_group(group_jobs_inq);
+CREATE INDEX group_jobs_running ON mxq_group(group_jobs_running);