Transaction tracing in complex multi-tier applications

Interesting, it might be worth to do a small wright up on this, but the technique for tracing requests across multiple systems was available for quite some time and is used in various places. But AWS just implemented this on their load balancers only recently: Elastic Load Balancing support for request tracing
This should help in diagnosing various issues with application performance…

Hacked back by WordPress.com?

I’ve blogged 3 days ago about WordPress.com blog being hacked and rogue post appearing in the feed.

The post contained screenshot from my Google Reader page showing that rogue post.

Today I find this screenshot missing on my blog:

Missing screenshot

I do have a backup of the original screenshot, of course. But the the question is why it is missing?
Did WordPress delete it? Do not know, I’ve sent email to support and will post if I receive reply!