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From "ChiaPing Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-17331) Avoid busy waiting in ThrottledInputStream
Date Sun, 18 Dec 2016 05:47:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ChiaPing Tsai updated HBASE-17331:
----------------------------------
    Attachment: HBASE-17331.v2.patch

v1 takes the suggestion from [~yuzhihong@gmail.com]

> Avoid busy waiting in ThrottledInputStream
> ------------------------------------------
>
>                 Key: HBASE-17331
>                 URL: https://issues.apache.org/jira/browse/HBASE-17331
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: ChiaPing Tsai
>            Assignee: ChiaPing Tsai
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17331.v0.patch, HBASE-17331.v1.patch, HBASE-17331.v2.patch
>
>
> {code:title=ThrottledInputStream.java|borderStyle=solid}
> // We can calculate the precise sleep time instead of busy waiting
>   private void throttle() throws IOException {
>     while (getBytesPerSec() > maxBytesPerSec) {
>       try {
>         Thread.sleep(SLEEP_DURATION_MS);
>         totalSleepTime += SLEEP_DURATION_MS;
>       } catch (InterruptedException e) {
>         throw new IOException("Thread aborted", e);
>       }
>     }
>   }
> {code}



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