Zero out shard caches on upgrade

The mix of #shard and #ordered_shard records breaks ushards. Different nodes can start returning different results.
apache · Jul 23, 2014 · 5aa38c6f15eb08b98b53c00e398b2f486a825cd6 · 5aa38c6
1 parent d2171e9
commit 5aa38c6f15eb08b98b53c00e398b2f486a825cd6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/mem3_shards.erl b/src/mem3_shards.erl
@@ -193,7 +193,7 @@ terminate(_Reason, #st{changes_pid=Pid}) ->
     ok.
 
 code_change(_OldVsn, St, _Extra) ->
-    {ok, St}.
+    {ok, cache_clear(St)}.
 
 %% internal functions