Change HSQLDB repository log fsync() interval from 500ms to 5s

QORT · Mar 24, 2020 · 51e59f6 · 51e59f6
1 parent 38394de
commit 51e59f6
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/main/java/org/qortal/repository/hsqldb/HSQLDBDatabaseUpdates.java b/src/main/java/org/qortal/repository/hsqldb/HSQLDBDatabaseUpdates.java
@@ -951,6 +951,11 @@ private static boolean databaseUpdating(Connection connection) throws SQLExcepti
 					stmt.execute("ALTER TABLE RewardShares ALTER COLUMN minter SET NOT NULL");
 					break;
 
+				case 68:
+					// Slow down log fsync() calls from every 500ms to reduce I/O load
+					stmt.execute("SET FILES WRITE DELAY 5"); // only fsync() every 5 seconds
+					break;
+
 				default:
 					// nothing to do
 					return false;