Lower various logging statement levels to clean up example printing (a…

…pache#30782)

* Lower various logging statement levels to clean up example printing

* revert statecache log level change

sdks/python/apache_beam/internal/gcp/auth.py

@@ -131,9 +131,9 @@ def get_service_credentials(cls, pipeline_options):
       # apitools use urllib with the global timeout. Set it to 60 seconds
       # to prevent network related stuckness issues.
       if not socket.getdefaulttimeout():
-        _LOGGER.info("Setting socket default timeout to 60 seconds.")
+        _LOGGER.debug("Setting socket default timeout to 60 seconds.")
         socket.setdefaulttimeout(60)
-      _LOGGER.info(
+      _LOGGER.debug(
           "socket default timeout is %s seconds.", socket.getdefaulttimeout())
 
       cls._credentials = cls._get_service_credentials(pipeline_options)

sdks/python/apache_beam/runners/portability/fn_api_runner/translations.py

@@ -761,10 +761,7 @@ def create_and_optimize_stages(
 
   # Apply each phase in order.
   for phase in phases:
-    _LOGGER.info('%s %s %s', '=' * 20, phase, '=' * 20)
     stages = list(phase(stages, pipeline_context))
-    _LOGGER.debug('%s %s' % (len(stages), [len(s.transforms) for s in stages]))
-    _LOGGER.debug('Stages: %s', [str(s) for s in stages])
 
   # Return the (possibly mutated) context and ordered set of stages.
   return pipeline_context, stages

sdks/python/apache_beam/runners/portability/fn_api_runner/worker_handlers.py

@@ -919,7 +919,7 @@ def get_worker_handlers(
             self.state_servicer,
             self._job_provision_info.for_environment(environment),
             grpc_server)
-        _LOGGER.info(
+        _LOGGER.debug(
             "Created Worker handler %s for environment %s (%s, %r)",
             worker_handler,
             environment_id,