Joseph Wu created MESOS-4086:
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Summary: Containerizer logging modularization
Key: MESOS-4086
URL: https://issues.apache.org/jira/browse/MESOS-4086
Project: Mesos
Issue Type: Epic
Components: containerization, modules
Reporter: Joseph Wu
Assignee: Joseph Wu
Executors and tasks are configured (via the various containerizers) to write
their output (stdout/stderr) to files ("stdout" and "stderr") on an agent's
disk.
Unlike Master/Agent logs, executor/task logs are not attached to any formal
logging system, like {{glog}}. As such, there is significant scope for
improvement.
By introducing a module for logging, we can provide a common/programmatic way
to access and manage executor/task logs. Modules could implement additional
sinks for logs, such as:
* to the sandbox (the status quo),
* to syslog,
* to journald
This would also provide the hooks to deal with logging related problems, such
as:
* the (current) lack of log rotation,
* searching through executor/task logs (i.e. via aggregation)
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