diff --git a/documents/Welcome-To-The-Jungle.md b/documents/Welcome-To-The-Jungle.md index 54ee9c2b..f19f0ad6 100644 --- a/documents/Welcome-To-The-Jungle.md +++ b/documents/Welcome-To-The-Jungle.md @@ -1,7 +1,7 @@ Microbenchmarks are great at measuring performance "in the small"; for example, measuring the performance of individual methods. But good results do not necessarily translate into macro-scale performance. Real world access patterns and demand loads often run into deeper, systemic, architectural design issues that cannot be discerned at the micro level. -HikariCP has over 100K users, so from time to time we are approached with challenges encountered "in the wild". Recently, one such challenge led to a deeper investigation: ***Spike Demand***. +HikariCP has over 1 million users, so from time to time we are approached with challenges encountered "in the wild". Recently, one such challenge led to a deeper investigation: ***Spike Demand***. ### The Challenge The user has an environment where connection creation is expensive, on the order of 150ms; and yet queries typically execute in ~2ms. Long connection setup times can be the result of various factors, alone or in combination: DNS resolution times, encrypted connections with strong encryption (2048/4096 bit), external authentication, database server load, etc.