services/horizon: Add a brin index on history_trades_60000(timestamp) (…

…#3947) * Add a brin index on history_trades_60000(timestamp) * Update changelog
stellar · Sep 22, 2021 · 337f2ac · 337f2ac
1 parent 633f388
commit 337f2ac
Show file tree

Hide file tree

Showing 3 changed files with 34 additions and 0 deletions.
diff --git a/services/horizon/CHANGELOG.md b/services/horizon/CHANGELOG.md
@@ -3,6 +3,10 @@
 All notable changes to this project will be documented in this
 file. This project adheres to [Semantic Versioning](http://semver.org/).
 
+## Unreleased
+
+* Add an index on trade aggregations, to improve ingestion performance ([3947](https://github.com/stellar/go/pull/3947)).
+
 ## v2.8.2
 **Upgrading to this version from <= v2.8.0 will trigger a state rebuild. During this process (which will take at least 10 minutes), Horizon will not ingest new ledgers.**
 

diff --git a/services/horizon/internal/db2/schema/bindata.go b/services/horizon/internal/db2/schema/bindata.go
diff --git a/services/horizon/internal/db2/schema/migrations/49_add_brin_index_trade_aggregations.sql b/services/horizon/internal/db2/schema/migrations/49_add_brin_index_trade_aggregations.sql
@@ -0,0 +1,7 @@
+-- +migrate Up notransaction
+
+CREATE INDEX CONCURRENTLY IF NOT EXISTS htrd_agg_timestamp_brin ON history_trades_60000 USING brin(timestamp);
+
+-- +migrate Down
+
+DROP INDEX IF EXISTS htrd_agg_timestamp_brin;