From fe299622339016f824abb3a9970ded4cbc63fad8 Mon Sep 17 00:00:00 2001
From: Brett Wooldridge <brett.wooldridge@gmail.com>
Date: Sat, 25 Apr 2020 19:28:12 +0900
Subject: [PATCH] When blocking initialization is specified, use a minimum of
 16 connection creation threads.

---
 src/main/java/com/zaxxer/hikari/pool/HikariPool.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/zaxxer/hikari/pool/HikariPool.java b/src/main/java/com/zaxxer/hikari/pool/HikariPool.java
index e5018114..ae6b902c 100644
--- a/src/main/java/com/zaxxer/hikari/pool/HikariPool.java
+++ b/src/main/java/com/zaxxer/hikari/pool/HikariPool.java
@@ -137,8 +137,8 @@ public final class HikariPool extends PoolBase implements HikariPoolMXBean, IBag
       this.houseKeeperTask = houseKeepingExecutorService.scheduleWithFixedDelay(new HouseKeeper(), 100L, housekeepingPeriodMs, MILLISECONDS);
 
       if (Boolean.getBoolean("com.zaxxer.hikari.blockUntilFilled") && config.getInitializationFailTimeout() > 1) {
-         addConnectionExecutor.setCorePoolSize(Runtime.getRuntime().availableProcessors());
-         addConnectionExecutor.setMaximumPoolSize(Runtime.getRuntime().availableProcessors());
+         addConnectionExecutor.setCorePoolSize(Math.min(16, Runtime.getRuntime().availableProcessors()));
+         addConnectionExecutor.setMaximumPoolSize(Math.min(16, Runtime.getRuntime().availableProcessors()));
 
          final long startTime = currentTime();
          while (elapsedMillis(startTime) < config.getInitializationFailTimeout() && getTotalConnections() < config.getMinimumIdle()) {