From b7443ee8139fe783427759d8f4b6577774a72f6a Mon Sep 17 00:00:00 2001
From: zml <zml@aoeu.xyz>
Date: Thu, 15 Jan 2015 13:40:00 -0800
Subject: [PATCH] Use a more optimal pool size

---
 .../java/ru/tehkode/permissions/backends/sql/SQLBackend.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/tehkode/permissions/backends/sql/SQLBackend.java b/src/main/java/ru/tehkode/permissions/backends/sql/SQLBackend.java
index 4fc48384b..4a7319518 100644
--- a/src/main/java/ru/tehkode/permissions/backends/sql/SQLBackend.java
+++ b/src/main/java/ru/tehkode/permissions/backends/sql/SQLBackend.java
@@ -94,7 +94,8 @@ public SQLBackend(PermissionManager manager, final ConfigurationSection config)
 		this.ds.setUrl("jdbc:" + dbUri);
 		this.ds.setUsername(dbUser);
 		this.ds.setPassword(dbPassword);
-		this.ds.setMaxActive(20);
+		// https://github.com/brettwooldridge/HikariCP/wiki/About-Pool-Sizing
+		this.ds.setMaxActive((Runtime.getRuntime().availableProcessors() * 2) + 1);
 		this.ds.setMaxWait(200); // 4 ticks
 		this.ds.setValidationQuery("SELECT 1 AS dbcp_validate");
 		this.ds.setTestOnBorrow(true);