Varnish Cahe v3.01

Varnish Cahe v3.01Varnish cache，或称Varnish，是一个开源、高性能的反向代理服务器（reverse proxy server）。 Varnish目前被用在挪威最大的报社Verdens Gang上。Varnish 3.0.1 正式版发布了，与 3.0 版本比较，改进包括：Objects with grace and keep set were mistakenly seen as candidates for the shortlived storage, but would not be cleaned up quickly, something that manifested as if there was a memory leak. This is now fixed.When multiple clients were waiting for an object, all clients would be woken up when an object became available, leading to stuck threads. This has now been fixedA bug in how XML entities were handled with ESI has been fixedThe documentation has seen numerous updatesvarnishncsa is now more stable and has support for showing arbitrary request and response fields