From 61ffaa8137ac962f84a077bb53c4a1b06b21b49b Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <richard@matrix.org>
Date: Wed, 7 Feb 2018 17:34:35 +0000
Subject: [PATCH] bump purge logging to info

this thing takes ages and the only sign of any progress is the logs, so having
some logs is useful.
---
 synapse/storage/events.py | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index 21533970d1..803a4e2477 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -2081,7 +2081,7 @@ class EventsStore(SQLBaseStore):
                 400, "topological_ordering is greater than forward extremeties"
             )
 
-        logger.debug("[purge] looking for events to delete")
+        logger.info("[purge] looking for events to delete")
 
         txn.execute(
             "SELECT event_id, state_key FROM events"
@@ -2102,7 +2102,7 @@ class EventsStore(SQLBaseStore):
         for event_id, state_key in event_rows:
             txn.call_after(self._get_state_group_for_event.invalidate, (event_id,))
 
-        logger.debug("[purge] Finding new backward extremities")
+        logger.info("[purge] Finding new backward extremities")
 
         # We calculate the new entries for the backward extremeties by finding
         # all events that point to events that are to be purged
@@ -2116,7 +2116,7 @@ class EventsStore(SQLBaseStore):
         )
         new_backwards_extrems = txn.fetchall()
 
-        logger.debug("[purge] replacing backward extremities: %r", new_backwards_extrems)
+        logger.info("[purge] replacing backward extremities: %r", new_backwards_extrems)
 
         txn.execute(
             "DELETE FROM event_backward_extremities WHERE room_id = ?",
@@ -2132,7 +2132,7 @@ class EventsStore(SQLBaseStore):
             ]
         )
 
-        logger.debug("[purge] finding redundant state groups")
+        logger.info("[purge] finding redundant state groups")
 
         # Get all state groups that are only referenced by events that are
         # to be deleted.
@@ -2149,15 +2149,15 @@ class EventsStore(SQLBaseStore):
         )
 
         state_rows = txn.fetchall()
-        logger.debug("[purge] found %i redundant state groups", len(state_rows))
+        logger.info("[purge] found %i redundant state groups", len(state_rows))
 
         # make a set of the redundant state groups, so that we can look them up
         # efficiently
         state_groups_to_delete = set([sg for sg, in state_rows])
 
         # Now we get all the state groups that rely on these state groups
-        logger.debug("[purge] finding state groups which depend on redundant"
-                     " state groups")
+        logger.info("[purge] finding state groups which depend on redundant"
+                    " state groups")
         remaining_state_groups = []
         for i in xrange(0, len(state_rows), 100):
             chunk = [sg for sg, in state_rows[i:i + 100]]
@@ -2182,7 +2182,7 @@ class EventsStore(SQLBaseStore):
         # Now we turn the state groups that reference to-be-deleted state
         # groups to non delta versions.
         for sg in remaining_state_groups:
-            logger.debug("[purge] de-delta-ing remaining state group %s", sg)
+            logger.info("[purge] de-delta-ing remaining state group %s", sg)
             curr_state = self._get_state_groups_from_groups_txn(
                 txn, [sg], types=None
             )
@@ -2219,7 +2219,7 @@ class EventsStore(SQLBaseStore):
                 ],
             )
 
-        logger.debug("[purge] removing redundant state groups")
+        logger.info("[purge] removing redundant state groups")
         txn.executemany(
             "DELETE FROM state_groups_state WHERE state_group = ?",
             state_rows
@@ -2230,13 +2230,13 @@ class EventsStore(SQLBaseStore):
         )
 
         # Delete all non-state
-        logger.debug("[purge] removing events from event_to_state_groups")
+        logger.info("[purge] removing events from event_to_state_groups")
         txn.executemany(
             "DELETE FROM event_to_state_groups WHERE event_id = ?",
             [(event_id,) for event_id, _ in event_rows]
         )
 
-        logger.debug("[purge] updating room_depth")
+        logger.info("[purge] updating room_depth")
         txn.execute(
             "UPDATE room_depth SET min_depth = ? WHERE room_id = ?",
             (topological_ordering, room_id,)
@@ -2258,7 +2258,8 @@ class EventsStore(SQLBaseStore):
             "event_signatures",
             "rejections",
         ):
-            logger.debug("[purge] removing remote non-state events from %s", table)
+            logger.info("[purge] removing remote non-state events from %s",
+                        table)
 
             txn.executemany(
                 "DELETE FROM %s WHERE event_id = ?" % (table,),
@@ -2266,7 +2267,7 @@ class EventsStore(SQLBaseStore):
             )
 
         # Mark all state and own events as outliers
-        logger.debug("[purge] marking remaining events as outliers")
+        logger.info("[purge] marking remaining events as outliers")
         txn.executemany(
             "UPDATE events SET outlier = ?"
             " WHERE event_id = ?",