Community Contribution License

All community contributions in this pull request are licensed to the project maintainers
under the terms of the Apache 2 license.
By creating this pull request I represent that I have the right to license the
contributions to the project maintainers under the Apache 2 license.

Description

use unixNanoTime instead of time.Time in lockRequestorInfo

Motivation and Context

Bonus: Skip Source and Quorum fields in lockArgs that are
never sent during Unlock() phase.

How to test this PR?

This is mainly a data structure optimization to reduce
the size of the message from a few bytes, while these are
It is probably a bit over the top in general scenarios; there
are precise situations where the amount of locks and unlocks
held at high concurrency can become a problem for map
based lockers when their inherent runtime memory adds
latency.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Unit tests added/updated
• Internal documentation updated
• Create a documentation update request here