Schema cache reload with zero downtime (#1559)

* Improve error messages and comments * Reorder Main.hs functions
2020-07-16 13:39:25 -05:00
parent 6b2767d35c
commit 189847927e
5 changed files with 143 additions and 146 deletions
@@ -251,11 +251,11 @@ checkDbSchemaReload(){
    sleep 0.1 \
    || sleep 1 # fallback: subsecond sleep is not standard and may fail
  done
-  secret="reallyreallyreallyreallyverysafe"
  # add v1 schema to db-schema
  replaceConfigValue "db-schema" "test, v1" ./configs/sigusr2-settings.config
  # reload
  kill -s SIGUSR2 $pgrPID
+  kill -s SIGUSR1 $pgrPID
  httpStatus="$(v1SchemaParentsStatus)"
  if test "$httpStatus" -eq 200
  then