# An update on this week – HipChat Blog

- **期号**: SRE Weekly Issue #16（2016-03-26）
- **作者**: —
- **链接**: https://blog.hipchat.com/2016/03/18/update-this-week/#update

## 简介

Atlassian posted an excellent, high-detail postmortem on last week’s instability.  One of the main causes was an overloaded NAT service in a VPC, compounded by aggressive retries from their client.

## 正文

> ⚠️ 抓取失败：URLError: _ssl.c:1015: The handshake operation timed out