Linux FUSE Internals for developers

In this post, I will cover FUSE internals for FUSE 2.9.3.Install package fuse and fuse-devel on CentOS.getattr() is a must in a FUSE file-system. Any lame implementation is okay;Just be careful of the file size in stat structure. If you forgot to compile user file system with 64-bit flags on. Otherwise the statst_size is signed…

Google App Engine: Data store with async calls

Google Data Store provides single core CPU  (F class) for applications. Hence heavily multi-threaded applications can't scale enough DataStoreprovidesasync calls for DB access. It has: Async queries Async transactions Async read/writes Documentation is good but lacks clarity on usage and benefits on async calls. It says that async queries can run in parallel after immediately…

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