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Merge pull request #64969 from mfojtik/volume-01-fix-allocations
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

volume: decrease memory allocations for debugging messages

**What this PR does / why we need it**:

<img width="1769" alt="screen shot 2018-06-11 at 13 15 31" src="https://user-images.githubusercontent.com/44136/41230128-ebf7233c-6d7e-11e8-899d-6251a5fde236.png">

On large clusters, where the glog is not running on V(5) using the format as: `glog.V(5).Infof(fmt.Sprintf(....))` will cause the code inside `Infof()` to be ran and generate a tons of memory allocations even if the output of those messages are not returned to the console...

This patch should reduce those calls and also the string allocations done by message generation.

**Release note**:
```release-note
NONE
```
2018-06-11 22:05:42 -07:00
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README.md

Kubernetes

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Kubernetes is an open source system for managing containerized applications across multiple hosts; providing basic mechanisms for deployment, maintenance, and scaling of applications.

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