server: TestAdminAPIEvents takes too long to run in external-process mode #142381
Description
When TestAdminAPIEvents runs in external-process mode, the first test case takes around 40 seconds, while the rest run within the usual time. We need to investigate why this initial warm-up takes so long.
Example:
external-process mode
--- PASS: TestAdminAPIEvents (41.97s)
--- PASS: TestAdminAPIEvents/events?type=drop_database (35.26s)
--- PASS: TestAdminAPIEvents/events?type=create_database (0.00s)
--- PASS: TestAdminAPIEvents/events?type=drop_table (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table (0.00s)
--- PASS: TestAdminAPIEvents/events?type=set_cluster_setting (0.00s)
--- PASS: TestAdminAPIEvents/events?type=set_cluster_setting&limit=0&unredacted_events=true (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table&limit=0 (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table&limit=-1 (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table&limit=2 (0.00s)
--- PASS: TestAdminAPIEvents/events?type=node_join (0.00s)
--- PASS: TestAdminAPIEvents/events?type=node_restart (0.00s)
--- PASS: TestAdminAPIEvents/events (0.00s)
vs
shared-process mode
--- PASS: TestAdminAPIEvents (6.57s)
--- PASS: TestAdminAPIEvents/events?type=drop_database (0.07s)
--- PASS: TestAdminAPIEvents/events?type=create_database (0.00s)
--- PASS: TestAdminAPIEvents/events?type=drop_table (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table (0.00s)
--- PASS: TestAdminAPIEvents/events?type=set_cluster_setting (0.00s)
--- PASS: TestAdminAPIEvents/events?type=set_cluster_setting&limit=0&unredacted_events=true (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table&limit=0 (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table&limit=-1 (0.00s)
--- PASS: TestAdminAPIEvents/events?type=create_table&limit=2 (0.00s)
--- PASS: TestAdminAPIEvents/events?type=node_join (0.00s)
--- PASS: TestAdminAPIEvents/events?type=node_restart (0.00s)
--- PASS: TestAdminAPIEvents/events (0.00s)
Related: #138912
Jira issue: CRDB-48302