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From Alexandre Rafalovitch <>
Subject Re: Solr Data Import Handler
Date Sun, 12 Feb 2017 21:25:39 GMT
They don't have to wait because they are not synchronized on anything
AFAIK. I do believe they need to be registered as different request
handler names in solrconfig.xml

But you need to be careful if they both/all wipe out data before
indexing new one. Those calls could overlap.

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On 12 February 2017 at 16:14, Dave <> wrote:
> That sounds pretty much like a hack. So if two imports happen at the same time they have
to wait for each other?
>> On Feb 12, 2017, at 4:01 PM, Shawn Heisey <> wrote:
>>> On 2/12/2017 10:30 AM, Minh wrote:
>>> Hi everyone,
>>> How can i run multithreads of DIH in a cluster for a collection?
>> The DIH handler is single-threaded.  It used to have a config option for
>> multiple threads, but it was removed since it didn't actually work.
>> If you create multiple DIH handlers and start an import on them all at
>> the same time, then you'll have multiple threads.
>> Thanks,
>> Shawn

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