Hi Andy,

The process gets killed- So it stops permanently.

Regards,
Rajiv


On Tue, Feb 4, 2014 at 10:30 AM, Andy Seaborne <[email protected]> wrote:

> On 04/02/14 13:28, Chaudhuri, Rajiv wrote:
>
>> Hi,
>>
>> We are taking Fuseki dataset backup on daily basis and we have configured
>> this backup process at cronjob.
>>
>> When should we take the backup-
>> 1. During off time
>>
>> Or
>>
>> 2. During peak time- Will it cause any issue if we consider the
>> concurrency
>> and data corruption?
>>
>> We have found Fuseki stop responding (with no error log at all) during
>> peak
>> time and during this time our backup process was also triggered.
>>
>> Our data file directory size-
>> 300 MB
>> and backup (nq.gz) file size is 7.6 MB
>>
>>
>> What do you recommend? What is the suitable time to take the backup of
>> Fuseki dataset?
>>
>>
>>
> A backup, if you're calling the Fuseki server backup function, is a
> read-transaction.  A writer can be active at the same time but if there are
> many updates, it accumulates waiting for the DB to become free for the main
> DB files to be updated from the journal.
>
> If you have a frequent update load, then off-peak is better but it should
> all work.
>
> What do you mean by "stop responding" - permanently or for the duration of
> the backup?
>
>         Andy
>
>
>>
>


-- 
Regards,
*Rajiv*

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