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From: Hans van Kranenburg <hans@knorrie.org>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>, Qu Wenruo <wqu@suse.com>,
	linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 0/2] Use new incompat feature BG_TREE to hugely reduce mount time
Date: Mon, 25 Feb 2019 14:16:36 +0100
Message-ID: <e2794bf1-4a0c-c9aa-eeb3-843c644dbf59@knorrie.org> (raw)
In-Reply-To: <79f01a1d-97b3-d7c1-91b7-01b7830b3f18@gmx.com>

On 2/25/19 2:10 PM, Qu Wenruo wrote:
> 
> 
> On 2019/2/25 下午9:02, Hans van Kranenburg wrote:
>> Hi Qu,
>>
>> On 1/2/19 6:29 AM, Qu Wenruo wrote:
>>> This patchset can be fetched from:
>>> https://github.com/adam900710/linux/tree/bg_tree
>>> Which is based on v4.20-rc1 tag.
>>>
>>> This patchset will hugely reduce mount time of large fs by putting all
>>> block group items into its own tree.
>>
>> I'm going to test this.
>>
>> Is there some specific command you'd like me to use to produce results
>> for benchmarks?
> 
> Nope. If I provides some commands, those must be super beneficial for
> BG_TREE.

Ah, I meant, to produce output for the mount timings, like your 'ftrace
function graph'.

> So just use whatever you like, near real world use case would be more
> appreciated.

Hans

  reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-02  5:29 Qu Wenruo
2019-01-02  5:29 ` [PATCH 1/2] btrfs: Refactor btrfs_read_block_groups() Qu Wenruo
2019-01-02  5:29 ` [PATCH 2/2] btrfs: Introduce new incompat feature, BG_TREE Qu Wenruo
2019-01-08  7:34 ` [PATCH 0/2] Use new incompat feature BG_TREE to hugely reduce mount time Qu Wenruo
2019-02-25 13:02 ` Hans van Kranenburg
2019-02-25 13:10   ` Qu Wenruo
2019-02-25 13:16     ` Hans van Kranenburg [this message]
2019-02-25 14:46       ` Qu Wenruo

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