synapse takes a long time to restart

[richvdh]

for example:

2020-08-18 17:21:25,829 - root - 296 - WARNING - None - ***** STARTING SERVER *****
2020-08-18 17:21:25,829 - root - 297 - WARNING - None - Server /home/synapse/src/synapse/app/homeserver.py version 1.19.0 (b=HEAD,0cbe4889d)
2020-08-18 17:21:25,829 - root - 298 - INFO - None - Server hostname: matrix.org
2020-08-18 17:21:25,829 - root - 299 - INFO - None - Instance name: master
2020-08-18 17:21:25,829 - synapse.app.homeserver - 375 - INFO - None - Setting up server
2020-08-18 17:21:25,829 - synapse.server - 248 - INFO - None - Setting up.
2020-08-18 17:21:26,221 - synapse.storage.databases - 50 - INFO - None - Preparing database 'master'...
2020-08-18 17:21:51,790 - synapse.storage.prepare_database - 325 - INFO - None - Upgrading schema to v58
2020-08-18 17:21:51,791 - synapse.storage.prepare_database - 402 - INFO - None - Applying schema 58/13remove_presence_allow_inbound.sql
2020-08-18 17:21:57,079 - synapse.storage.databases - 60 - INFO - None - Starting 'main' data store
2020-08-18 17:22:37,987 - synapse.config.appservice - 87 - INFO - None - Loaded application service: ApplicationService: 
....

and then we're off. why did it take over a minute to get going?

[clokep]

I think this is a duplicate of #7968.

[richvdh]

thank you. I could have sworn I'd filed it, but couldn't find it.