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Fetching Statistics from memcached server #39

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@xni xni commented Sep 27, 2015

Hi!

I am very new to Go programming language, but I'd like to implement Statistics (https://cloud.google.com/appengine/docs/go/memcache/reference?csw=1#Statistics) in gomemcache library.

Could you please, take a look on my patch? I will be pleased to fix any problems in it you find.

Thank you in advance.

This is how I use it

func main() {
     ss := new(memcache.ServerList)
     ss.SetServers("127.0.0.1:11211")
     mc := memcache.NewFromSelector(ss)

     srv, _ := ss.PickServer("111")
     stats, err := mc.Stats(srv)
     if err == nil {
         fmt.Println(stats)
     }
}

@xni xni force-pushed the master branch 5 times, most recently from 19603e4 to d2245ca Compare September 27, 2015 22:55
@faabiosr
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Any news about this PR? When the merge will be made?


func parseStatsLine(s []byte, expectedPrefix []byte) (uint64, error) {
if !bytes.HasPrefix(s, expectedPrefix) {
return 0, errors.New("line does not start with exceptedPrefix")
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errors.New allocates each time. I'd make that a global err variable instead.

@@ -171,6 +177,24 @@ type conn struct {
c *Client
}

// Statistics is a record of memcached usage stats.
type Statistics struct {
// Counter of cache hits.
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Write complete sentences.

See https://github.com/golang/go/wiki/CodeReviewComments#comment-sentences

// Hits is ...

(ending in a period)

}


func (c *Client) Stats(addr net.Addr) (*Statistics, error) {
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This lacks comments.

Also, why does it take an Addr? It seems like most people would want aggregated statistics across all nodes for a method named "Stats".

Maybe this should be called "NodeStats".

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@xni
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xni commented Feb 19, 2017

@bradfitz , thanks for your comments, it was very useful. Could you please take a look at my changes again.

@xni
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xni commented Feb 19, 2017

Hi! My commit has a committer email 'stromsund@yandex-team.ru', and I was told that Yandex LLC has a CLA agreement (mostly contributing to the Chromium repository). Could you please check, why I did not pass the CLA check. Thanks!

@bradfitz bradfitz removed the cla: no label Sep 4, 2023
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4 participants