Alex Clemmer created MESOS-5932:
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Summary: Replicated log's dependency on leveldb prevents it from
being used on Windows
Key: MESOS-5932
URL: https://issues.apache.org/jira/browse/MESOS-5932
Project: Mesos
Issue Type: Bug
Components: master
Reporter: Alex Clemmer
Assignee: Alex Clemmer
The replicated log (in src/log/) depends on leveldb to store and persist data
in the replicas.
This dependency is well-contained within replica.cpp, but until it is
abstracted out, it nonetheless prevents the master from being built on Windows,
which in turn prevents the agent tests from being built and run on Windows.
Preliminary investigation shows that we will probably want to split this work
into 2 parts:
* Temporarily remove the ability of the master to use the replicated log on
Windows (in master/main.cpp). This should involve 1 conditional where we
instantiate a `Log::Log`. This should be enough for us to light up the agent
tests.
* Add leveldb Windows support to Mesos. This involves: adding CMake files to
build leveldb source, and adding Windows-specific `port_*` files that will map
the platform-specific constructs of leveldb to Windows. We can take hints from
leveldown and other projects, which add their own `port_*` files that suit
their purposes (namely, running leveldb, in node, on Windows). NOTE: the
leveldb community explicitly calls out in its documentation that it is not
interested in non-POSIX changes, so it is likely that this will never be
inducted into the mainline leveldb codebase.
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