O'Reilly logo

Release It! by Michael T. Nygard

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Cracks Propagate

Let’s see how this applies to the grounded airline I investigated before. The airline’s Core Facilities project had not designed its failure modes. The crack started at the improper handling of the SQLException, but it could have been stopped at many other points. Let’s look at some examples, from low-level detail to high-level architecture.

Because the pool was configured to block requesting threads when no resources were available, it eventually tied up all request-handling threads. (This happened independently in each application server instance.) The pool could have been configured to create more connections if it was exhausted. It could also have been configured to block callers for a limited time, instead of blocking ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required