Hi Vinod, In convert.cpp <https://github.com/apache/mesos/blob/master/src/java/jni/convert.cpp#L153> we compare the major versions of the native library and the jar. This makes upgrading frameworks unnecessarily hard because you would have to deploy Mesos and frameworks in lockstep.
Non-binding -1 😜, as this check isn’t strictly useful - especially given this is probably the last major upgrade where libmesos is even relevant.  Robert > On Jun 1, 2016, at 12:38 AM, Vinod Kone <[email protected]> wrote: > > Hi all, > > Please vote on releasing the following candidate as Apache Mesos 1.0.0. > > > NOTE: The voting period for this release is 3 weeks. Also, we are willing > to make API changes before the final release. So please test it thoroughly. > > > 1.0.0 includes the following features: > > -------------------------------------------------------------------------------- > > * Scheduler and Executor v1 HTTP APIs are now considered stable. > > > > > > * [MESOS-4791] - **Experimental** support for v1 Master and Agent APIs. > These > > APIs let operators and services (monitoring, load balancers) send HTTP > > > requests to '/api/v1' endpoint on master or agent. These APIs look > similar > > to the v1 Scheduler and Executor APIs. > > > > > > * [MESOS-4828] - **Experimental** support for a new `disk/xfs' isolator > > > has been added to isolate disk resources more efficiently. Please refer > to > > docs/mesos-containerizer.md for more details. > > > > > > * [MESOS-4355] - **Experimental** support for Docker volume plugin. We > added a > > new isolator 'docker/volume' which allows users to use external volumes > in > > Mesos containerizer. Currently, the isolator interacts with the Docker > > > volume plugins using a tool called 'dvdcli'. By speaking the Docker > volume > > plugin API, most of the Docker volume plugins are supported. > > > > > > * [MESOS-4641] - **Experimental** A new network isolator, the > > > `network/cni` isolator, has been introduced in the > `MesosContainerizer`. The > > `network/cni` isolator implements the Container Network Interface (CNI) > > > specification proposed by CoreOS. With CNI the `network/cni` isolator > is > > able to allocate a network namespace to Mesos containers and attach the > > > container to different types of IP networks by invoking network drivers > > > called CNI plugins. > > > > > > * [MESOS-2948, MESOS-5403] - The authorizer interface has been refactored > in > > order to decouple the ACLs definition language from the interface. > > > It additionally includes the option of retrieving `ObjectApprover`. An > > > `ObjectApprover` can be used to synchronously check authorizations for > a > > given object and is hence useful when authorizing a large number of > objects > > and/or large objects (which need to be copied using request based > > > authorization). NOTE: This is a **breaking change** for authorizer > modules. > > > > > * [MESOS-4931] - Authorization based HTTP endpoint filtering enables > operators > > to restrict what part of the cluster state a user is authorized to see. > > > Consider for example the `/state` master endpoint: an operator can now > > > authorize users to only see a subset of the running frameworks, tasks, > or > > executors. > > > > > > * [MESOS-4909] - Tasks can now specify a kill policy. They are > best-effort, > > because machine failures or forcible terminations may occur. Currently, > the > > only available kill policy is how long to wait between graceful and > forcible > > task kill. In the future, more policies may be available (e.g. hitting > an > > HTTP endpoint, running a command, etc). Note that it is the executor's > > > responsibility to enforce kill policies. For executor-less > command-based > > tasks, the kill is performed via sending a signal to the task process: > > > SIGTERM for the graceful kill and SIGKILL for the forcible kill. For > docker > > executor-less tasks the grace period is passed to 'docker stop --time'. > This > > feature supersedes the '--docker_stop_timeout', which is now > deprecated. > > > > > * [MESOS-4908] - The task kill policy defined within 'TaskInfo' can now > be > > overridden when the scheduler kills the task. This can be used by > schedulers > > to forcefully kill a task which is already being killed, e.g. if > something > > went wrong during a graceful kill and a forcible kill is desired. Note > that > > it is the executor's responsibility to honor the > 'Event.kill.kill_policy' > > field and override the task's kill policy and kill policy from a > previous > > kill task request. To use this feature, schedulers and executors must > > > support HTTP API; use the '--http_command_executor' agent flag to > ensure > > the agent launches the HTTP API based command executor. > > > > > > * [MESOS-4949] - The executor shutdown grace period can now be configured > in > > `ExecutorInfo`, which overrides the agent flag. When shutting down an > > > executor the agent will wait in a best-effort manner for the grace > period > > specified here before forcibly destroying the container. The executor > must > > not assume that it will always be allotted the full grace period, as > the > > agent may decide to allot a shorter period and failures / forcible > > > terminations may occur. Together with kill policies this gives > frameworks > > flexibility around how to clean up tasks and executors. > > > > > > * [MESOS-3094] - **Experimental** support for launching mesos tasks on > > > Windows. Note that there are no isolation guarantees provided yet. > > > > > > * [MESOS-4090] - The `mesos.native` python module has been split into > two, > > `mesos.executor` and `mesos.scheduler`. This change also removes > > > un-necessary 3rd party dependencies from `mesos.executor` and > > > `mesos.scheduler`. `mesos.native` still exists, combining both modules > for > > backwards compatibility with existing code. > > > > > > * [MESOS-1478] - Phase I of the Slave to Agent rename is complete. To > support > > the rename, new duplicate flags (e.g., --agent_reregister_timeout), new > > > binaries (e.g., mesos-agent) and WebUI sandbox links have been added. > All > > the logging output has been updated to use the term 'agent' now. Flags, > > > binaries and scripts with 'slave' keyword have been deprecated (see > > > "Deprecations section below"). > > > > > > * [MESOS-4312] - **Experimental** support for building and running mesos > on > > IBM PowerPC platform. > > > > > > * [MESOS-4189] - Weights for resource roles can now be configured > dynamically > > via the new '/weights' endpoint on the master. > > > > > > * [MESOS-4424] - **Experimental** limited support for using Nvidia GPU as > a > > resource. This initial support works when there is no container > filesystem > > isolation in use. Improvements to the support to come in future > releases. > > > > > Deprecations: > > > * [MESOS-2281] - Deprecated the plain text format for credentials in > favor of > > the JSON format. > > > > > > * [MESOS-4910] - Deprecate the --docker_stop_timeout agent flag. > > > > > > * [MESOS-5001] - The 'allocator/event_queue_dispatches' metric is now > > > deprecated in favor 'of allocator/mesos/event_queue_dispatches'. > > > > > > * [MESOS-5029] - Deprecated the ExecutorInfo.source field in favor of > > > ExecutorInfo.labels. > > > > > > * [MESOS-3781] - Deprecated flags with keyword 'slave' in favor of > 'agent'. > > > > > * [MESOS-3779] - Deprecated sandbox links with 'slave' keyword in the > WebUI. > > > > > * [MESOS-3784] - Deprecated `slave` subcommand for mesos-cli. > > > > > > * [MESOS-5155] - Deprecated `SET_QUOTA_WITH_ROLE` and > > > `DESTROY_QUOTA_WITH_PRINCIPAL` authorization actions together with the > > > corresponding ACLs in favor of a unified `UPDATE_QUOTA_WITH_ROLE`. This > > > change is applicable to both local authorizer as well as any custom > > > authorizer module. > > > > > > Additional API Changes: > > > * [MESOS-4580] - Returning `202` (Accepted) for /reserve and related > endpoints. > > > > > * [MESOS-4735] - Added 'output_file' field to CommandInfo.URI in > Scheduler API > > and v1 Scheduler HTTP API. > > > > > > * [MESOS-5014] - Changes Call and Event Type enums in scheduler.proto > > from required to optional for the purpose of backwards compatibility. > > > > > > * [MESOS-5015] - Changes Call and Event Type enums in executor.proto > > > from required to optional for the purpose of backwards compatibility. > > > > > > * [MESOS-5029] - Added 'labels' to ExecutorInfo. > > > > > > * [MESOS-5030] - Added non-terminal task metadata to the container > resource > > usage information. > > > > > > * [MESOS-5408] - Deleted the /observe HTTP endpoint. > > > > > > 3rd Party Upgrades: > > > * [MESOS-4805] - Upgraded vendored ry-http-parser-1c3624a to > nodejs/http-parser 2.6.1. > > * [MESOS-4678] - Upgraded vendored protobuf 2.5.0 to 2.6.1. > > > * [MESOS-4803] - Upgraded vendored libev 4.15 to 4.22. > > > * [MESOS-4612] - Upgraded vendored ZooKeeper 3.4.5 to 3.4.8. > > > > > > Binary API Changes: > > > * [MESOS-5055] - Slave/Agent Rename Phase I - Update strings in the log > message > > and standard output. > > > * [MESOS-3782] - Slave/Agent Rename Phase I - Duplicate/Rename binaries. > > > * [MESOS-5057] - Slave/Agent Rename Phase I - Update strings in error > messages and > > other strings. > > > * [MESOS-5230] - Slave/Agent Rename Phase I: Rename > '/include/mesos/slave' folder > > > The CHANGELOG for the release is available at: > > https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=blob_plain;f=CHANGELOG;hb=1.0.0-rc1 > > -------------------------------------------------------------------------------- > > > The candidate for Mesos 1.0.0 release is available at: > > https://dist.apache.org/repos/dist/dev/mesos/1.0.0-rc1/mesos-1.0.0.tar.gz > > > The tag to be voted on is 1.0.0-rc1: > > https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=commit;h=1.0.0-rc1 > > > The MD5 checksum of the tarball can be found at: > > https://dist.apache.org/repos/dist/dev/mesos/1.0.0-rc1/mesos-1.0.0.tar.gz.md5 > > > The signature of the tarball can be found at: > > https://dist.apache.org/repos/dist/dev/mesos/1.0.0-rc1/mesos-1.0.0.tar.gz.asc > > > The PGP key used to sign the release is here: > > https://dist.apache.org/repos/dist/release/mesos/KEYS > > > The JAR is up in Maven in a staging repository here: > > https://repository.apache.org/content/repositories/orgapachemesos-1142 > > > Please vote on releasing this package as Apache Mesos 1.0.0! > > > The vote is open until *Wed Jun 22 12:00 PM PST 2016* and passes if a > majority of at least 3 +1 PMC votes are cast. > > > [ ] +1 Release this package as Apache Mesos 1.0.0 > > [ ] -1 Do not release this package because ... > > > Thanks,
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