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Date: Thu, 14 Apr 2011 17:56:25 +0200
Message-ID: <BANLkTik7SKQ_H=yYNZerccxtmBuHbB2_1w@mail.gmail.com>
Subject: Re: Setting the max number of merge threads across IndexWriters
From: Simon Willnauer <simon.willnauer@googlemail.com>
To: dev@lucene.apache.org
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On Thu, Apr 14, 2011 at 5:52 PM, Earwin Burrfoot <earwin@gmail.com> wrote:
> I proposed to decouple MergeScheduler from IW (stop keeping a
> reference to it). Then you can create a single CMS and pass it to all
> your IWs.
Yep that was it... is there an issue for this?

simon
>
> On Thu, Apr 14, 2011 at 19:40, Jason Rutherglen
> <jason.rutherglen@gmail.com> wrote:
>> I think the proposal involved using a ThreadPoolExecutor, which seemed
>> to not quite work as well as what we have. =C2=A0I think it'll be easier=
 to
>> simply pass a global context that keeps a counter of the actively
>> running threads, and pass that into each IW's CMS?
>>
>> On Thu, Apr 14, 2011 at 8:25 AM, Simon Willnauer
>> <simon.willnauer@googlemail.com> wrote:
>>> On Thu, Apr 14, 2011 at 5:20 PM, Jason Rutherglen
>>> <jason.rutherglen@gmail.com> wrote:
>>>> Today the ConcurrentMergeScheduler allows setting the max thread
>>>> count and is bound to a single IndexWriter.
>>>>
>>>> However in the [common] case of multiple IndexWriters running in
>>>> the same process, this disallows one from managing the aggregate
>>>> number of merge threads executing at any given time.
>>>>
>>>> I think this can be fixed, shall I open an issue?
>>>
>>> go ahead! I think I have seen this suggestion somewhere maybe you need
>>> to see if there is one already
>>>
>>> simon
>>>>
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>
>
>
> --
> Kirill Zakharenko/=D0=9A=D0=B8=D1=80=D0=B8=D0=BB=D0=BB =D0=97=D0=B0=D1=85=
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