exchange

commit 03e2aa71bc851239ca51c90ba81135ac54c2d5da
parent 2a9ec82dceec4dba2d7b1a5f7d891abb6d2cd5b9
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sat, 19 Jun 2021 17:29:07 +0200

note on perf

Diffstat:
M
src/exchange/taler-exchange-wirewatch.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/exchange/taler-exchange-wirewatch.c b/src/exchange/taler-exchange-wirewatch.c
@@ -458,6 +458,11 @@ history_cb (void *cls,
   }
 #endif
 
+  /* FIXME-PERFORMANCE: Consider using Postgres multi-valued insert here,
+     for up to 15x speed-up according to
+     https://dba.stackexchange.com/questions/224989/multi-row-insert-vs-transactional-single-row-inserts#225006
+     (Note: this may require changing both the
+     plugin API as well as modifying how this function is called.) */
   qs = db_plugin->reserves_in_insert (db_plugin->cls,
                                       session,
                                       &details->reserve_pub,