Apache Mesos 0.23.0 發布，集群管理器
Apache Mesos 是一個集群管理器，提供了有效的、跨分布式應用或框架的資源隔離和共享，可以運行Hadoop、MPI、Hypertable、Spark。
特性：
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Fault-tolerant replicated master using ZooKeeper
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Scalability to 10,000s of nodes
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Isolation between tasks with Linux Containers
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Multi-resource scheduling (memory and CPU aware)
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Java, Python and C++ APIs for developing new parallel applications
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Web UI for viewing cluster state
</li> </ul> Apache Mesos 0.23.0 發布，此版本主要改進：-
[MESOS-692] - Reservations are not reported in master's state.json
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[MESOS-994] - Add an Option<string> os::getenv() to stout
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[MESOS-1733] - Change the stout path utility to declare a single, variadic 'join' function instead of several separate declarations of various discrete arities
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[MESOS-1991] - Remove dynamic allocation from Option
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[MESOS-2023] - mesos-execute should allow setting environment variables
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[MESOS-2050] - Revise Authenticator interface
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[MESOS-2057] - Concurrency control for fetcher cache
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[MESOS-2069] - Basic fetcher cache functionality
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[MESOS-2070] - Implement simple slave recovery behavior for fetcher cache
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[MESOS-2072] - Fetcher cache eviction
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[MESOS-2074] - Fetcher cache test fixture
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[MESOS-2103] - Expose number of processes and threads in a container
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[MESOS-2104] - Correct naming of cgroup memory statistics
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[MESOS-2110] - Configurable Ping Timeouts
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[MESOS-2111] - Add build instructions for OSX in getting started
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[MESOS-2136] - Expose per-cgroup memory pressure
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[MESOS-2155] - Make docker containerizer killing orphan containers optional
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[MESOS-2277] - Document undocumented HTTP endpoints
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[MESOS-2323] - write flags to log at startup
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[MESOS-2332] - Report per-container metrics for network bandwidth throttling
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[MESOS-2333] - Securing Sandboxes via Filebrowser Access Control
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[MESOS-2340] - Add ability to decode JSON serialized MasterInfo from ZK
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[MESOS-2374] - Support relative host paths for container volumes
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[MESOS-2392] - Rate limit slaves removals during master recovery.
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[MESOS-2400] - Improve NsTest.ROOT_setns
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[MESOS-2438] - Improve support for streaming HTTP Responses in libprocess.
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[MESOS-2454] - Add support for /proc/self/mountinfo on Linux
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[MESOS-2461] - Slave should provide details on processes running in its cgroups
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[MESOS-2462] - Add option for Subprocess to set a death signal for the forked child
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[MESOS-2485] - Add ability to distinguish slave removals metrics by reason.
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[MESOS-2507] - Performance issue in the master when a large number of slaves are registering.
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[MESOS-2519] - Log IP addresses from HTTP requests
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[MESOS-2527] - Add default bind to socket
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[MESOS-2528] - Symlink the namespace handle with ContainerID for the port mapping isolator.
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[MESOS-2547] - Cleanup stale bind mounts for port mapping isolator during slave recovery.
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[MESOS-2549] - Remove non-variadic strings::format
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[MESOS-2550] - Mesos doesn't compile with clang 3.6
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[MESOS-2565] - Clean up style and comments in modules.
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[MESOS-2571] - Expose Memory Pressure in MemIsolator
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[MESOS-2573] - Use Memory Test Helper to improve some test code.
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[MESOS-2595] - Create docker executor
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[MESOS-2604] - Upgrade minimum required compilers for MESOS
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[MESOS-2608] - test-framework should support principal only credential
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[MESOS-2609] - Move StatusUpdateStream implementation to a compilation unit
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[MESOS-2620] - Implement a mechanism which allows access control of endpoints
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[MESOS-2624] - "configure" should fail when "patch" is not available.
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[MESOS-2653] - Slave should act on correction events from QoS controller
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[MESOS-2654] - Update FrameworkInfo to opt in to revocable resources
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[MESOS-2666] - use standard compiler detection macros
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[MESOS-2680] - Update modules doc with hook usage example
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[MESOS-2693] - Printing a resource should show information about reservation, disk etc
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[MESOS-2709] - Design Master discovery functionality for HTTP-only clients
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[MESOS-2716] - Add non-const reference version of Option<T>::get.
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[MESOS-2729] - Update DRF sorter to update total resources
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[MESOS-2743] - Include ExecutorInfos for custom executors in master/state.json
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[MESOS-2745] - Add 'Path' to stout's user guide
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[MESOS-2752] - Add HTB queueing discipline wrapper class
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[MESOS-2784] - Added constexpr to C++11 whitelist.
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[MESOS-2793] - Add support for container rootfs to Mesos isolators
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[MESOS-2801] - Remove dynamic allocation from Future<T>
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[MESOS-2804] - Log framework capabilities in the master.
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[MESOS-2805] - Make synchronized as primary form of synchronization.
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[MESOS-2836] - Report per-container metrics for network bandwidth throttling to the slave
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[MESOS-2837] - Decode network statistics from mesos-network-helper
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[MESOS-2870] - Add validation capability to stout Flags
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[MESOS-2888] - Add SSL socket tests
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[MESOS-2928] - Update stout #include headers
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[MESOS-2940] - Reconciliation is expensive for large numbers of tasks.
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[MESOS-2955] - Introduce acceptOffers scheduler driver API for performing operations on Offers
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[MESOS-2957] - Add version to MasterInfo
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[MESOS-2958] - Update Call protobuf to move top level FrameworkInfo inside Subscribe
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[MESOS-2966] - socket::peer() and socket::address() might fail with SSL enabled
</li> </ul>詳細更新內容請看發行說明，現已提供下載：http://archive.apache.org/dist/mesos/0.23.0/mesos-0.23.0.tar.gz。
來自：http://www.oschina.net/news/64789/apache-mesos-0-23-0
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