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From Yanbo Liang <yanboha...@gmail.com>
Subject Re: The lease hard limit is 1 hour and in another client want to append to a file need to wait for 1 hour?
Date Thu, 18 Oct 2012 09:47:46 GMT
The answer is useful, thanks to all of you.

2012/10/18 Uma Maheswara Rao G <maheswara@huawei.com>

> Hi,
>
>  I am assuming that your actual client crashed. and another Client wants
> to append to same file which not closed by previous client.
>
> Generally we will append to the files which are in closed state. In your
> case file is still in open state.
>  So, you can call explicite recoverLease, so that file will be closed and
> then you can append the file.
> If you call directly append with out explicte receoverLease, it will check
> whether softlimit(1 min) expired.  If soft limit expired, then append call
> it self will trigger the recover lease and append call will get exception
> saying try again later and recovery in progress.
>
> Regards,
> Uma
>
> ________________________________________
> From: Yanbo Liang [yanbohappy@gmail.com]
> Sent: Thursday, October 18, 2012 2:14 PM
> To: hdfs-dev@hadoop.apache.org
> Subject: The lease hard limit is 1 hour and in another client want to
> append to a file need to wait for 1 hour?
>
> The lease hard limit is 1 hour,
> is it means that if one file hold the lease and exit without release it and
> then another file want to append to the same file will to wait for a hour?
>

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