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Google File System (GFS or GoogleFS, not to be confused with the GFS Linux file system) is a proprietary distributed file system developed by Google to provide efficient, reliable access to data using large clusters of commodity hardware. Google file system was replaced by Colossus in 2010.
CloudStore (KFS, previously Kosmosfs) was Kosmix's C++ implementation of the Google File System. It parallels the Hadoop project, which is implemented in the Java programming language. CloudStore supports incremental scalability, replication, checksumming for data integrity, client side fail-over and access from C++, Java and Python.
Bazel is extensible with the Starlark programming language. [13] Starlark is an embedded language whose syntax is a subset of the Python syntax. However, it doesn't implement many of Python's language features, such as the ability to access the file I/O, in order to avoid extensions that could create side-effects or create build outputs not known to the build system itself.
code.google.com /archive /p /szl / Sawzall is a procedural domain-specific programming language , used by Google to process large numbers of individual log records. Sawzall was first described in 2003, [ 1 ] and the szl runtime was open-sourced in August 2010. [ 2 ]
This makes it possible for multiple users on multiple machines to share files and storage resources. Distributed file systems differ in their performance, mutability of content, handling of concurrent writes, handling of permanent or temporary loss of nodes or storage, and their policy of storing content.
Google has developed Chubby, a lock service for loosely coupled distributed systems. [5] It is designed for coarse-grained locking and also provides a limited but reliable distributed file system. Key parts of Google's infrastructure, including Google File System, Bigtable, and MapReduce, use
For example, the back end of Gmail is written in Java and the back end of Google Search is written in C++. [115] Google has acknowledged that Python has played an important role from the beginning, and that it continues to do so as the system grows and evolves. [116] The software that runs the Google infrastructure includes: [117]
A single-file virtual file system may include all the basic features expected of any file system (virtual or otherwise), but access to the internal structure of these file systems is often limited to programs specifically written to make use of the single-file virtual file system (instead of implementation through a driver allowing universal ...