From: Loic Dachary <loic@dachary.org>
To: Erwan Velu <evelu@redhat.com>
Cc: Ceph Development <ceph-devel@vger.kernel.org>
Subject: Re: running make check in the cloud, with locally attached SSD
Date: Mon, 2 May 2016 15:30:44 +0200 [thread overview]
Message-ID: <57275684.1010006@dachary.org> (raw)
In-Reply-To: <283381268.85200909.1462193968489.JavaMail.zimbra@redhat.com>
On 02/05/2016 14:59, Erwan Velu wrote:
>>From my last testing, we can also use hg-60 but building in /dev/shm instead of the block storage.
> That usually saves up to 2mn of build time against a regular hg-60.
> The main isse for performance is not really the storage performance but the cpu one.
make all is CPU bound. Fast disk will help make check.
>
> I also noticed that using hg-60 is the most efficient platform as we reach a 93% of perf scalability.
> When running hg-120 we can go faster but the gain is not linear, we only reach 50% of efficiency.
> That said, that's still a "make" (not make check) run in 8 minutes ... which is nice.
>
> ----- Mail original -----
> De: "Loic Dachary" <loic@dachary.org>
> À: "Ceph Development" <ceph-devel@vger.kernel.org>
> Envoyé: Lundi 2 Mai 2016 10:57:23
> Objet: running make check in the cloud, with locally attached SSD
>
> Hi,
>
> A short note to let you know there are new OVH flavors that have locally attached SSD instead of 3-replica network attached RBD devices.
>
> $ openstack flavor list
> +--------------------------------------+----------------+--------+------+-----------+-------+-----------+
> | ID | Name | RAM | Disk | Ephemeral | VCPUs | Is Public |
> +--------------------------------------+----------------+--------+------+-----------+-------+-----------+
> | 0297d7ac-fe6f-4ff1-b6e7-0b8b0908c94f | hg-60 | 60000 | 1600 | 0 | 16 | True |
> | 0417a0e6-f68a-4b8b-a642-ca5ecb9652f7 | win-sp-60 | 60000 | 400 | 0 | 4 | True |
> | 042aefc6-b713-4a7e-ada5-3ff81daa1960 | hg-120-ssd | 120000 | 800 | 0 | 32 | True |
> | 07885848-8831-486d-8525-91484c09cc7e | win-sp-240 | 240000 | 1600 | 0 | 16 | True |
> | 079aa0a2-5e48-4e58-8205-719bc962736e | win-hg-60-ssd | 60000 | 600 | 0 | 16 | True |
> | 164fcc7e-7771-414f-a607-b388cb7b7aa0 | vps-ssd-1 | 2000 | 10 | 0 | 1 | True |
> | 1788102b-ab80-4a0c-b819-541deaca7515 | win-sp-30-ssd | 30000 | 100 | 0 | 2 | True |
> | 1f1efedf-ec91-4a42-acd7-f5cf64b02d3c | hg-120 | 120000 | 1600 | 0 | 32 | True |
> | 23c21ecc-9ee8-4ad3-bd9f-aa17a3faf84e | win-sp-120-ssd | 120000 | 400 | 0 | 8 | True |
> | 24e293ed-bc54-4f26-8fb7-7b9457d08e66 | win-hg-15-ssd | 15000 | 200 | 0 | 4 | True |
> | 325b602f-ecc4-4444-90bd-5a2cf4e0da53 | win-sp-240-ssd | 240000 | 800 | 0 | 16 | True |
> | 377ded36-491f-4ad7-9eb4-876798b2aea9 | win-hg-7 | 7000 | 200 | 0 | 2 | True |
> | 382f2831-4dba-40c4-bb7a-6fadff71c4db | sp-30-ssd | 30000 | 100 | 0 | 2 | True |
> | 3c1d6170-0097-4b5c-a3b3-adff1b7a86e0 | hg-30 | 30000 | 800 | 0 | 8 | True |
> | 5c54dc08-28b9-4860-9f24-a2451b2a28ec | win-hg-30-ssd | 30000 | 400 | 0 | 8 | True |
> | 675558ea-04fe-47a2-83de-40be9b2eacd4 | hg-15 | 15000 | 400 | 0 | 4 | True |
> | 6ab72807-e0a5-4e9f-bbb9-7cbbf0038b26 | hg-30-ssd | 30000 | 400 | 0 | 8 | True |
> | 6e12cae3-0492-483c-aa39-54a0dcaf86dd | win-hg-30 | 30000 | 800 | 0 | 8 | True |
> | 6ead771c-e8b9-424c-afa0-671280416422 | win-hg-7-ssd | 7000 | 100 | 0 | 2 | True |
> | 7568d834-3b16-42ce-a2c1-0654e0781160 | sp-240-ssd | 240000 | 800 | 0 | 16 | True |
> | 7939cc5c-79b1-45c0-be2d-aa935d92faa1 | vps-ssd-2 | 4000 | 20 | 0 | 1 | True |
> | 80d8510a-79cc-4307-8db7-d1965c9e8ddb | sp-60 | 60000 | 400 | 0 | 4 | True |
> | 8be9dc29-3eca-499b-ae2d-e3c99699131a | win-sp-30 | 30000 | 200 | 0 | 2 | True |
> | 97824a8c-e683-49a8-a70a-ead64240395c | sp-120-ssd | 120000 | 400 | 0 | 8 | True |
> | 9831d7f1-3e79-483d-8958-88e3952c7ea2 | hg-60-ssd | 60000 | 600 | 0 | 16 | True |
> | aa753e73-dadb-4528-9c4a-24e36fc41bf4 | win-hg-120-ssd | 120000 | 800 | 0 | 32 | True |
> | ac74cb45-d895-47dd-b9cf-c17778033d83 | sp-120 | 120000 | 800 | 0 | 8 | True |
> | ae900175-72bd-4fbc-8ab2-4673b468aa5b | win-hg-15 | 15000 | 400 | 0 | 4 | True |
> | b1dc776c-b6e3-4a96-b230-850f570db3d5 | hg-7-ssd | 7000 | 100 | 0 | 2 | True |
> | b24df495-10f3-466e-95ab-26f0f6839a2f | sp-60-ssd | 60000 | 200 | 0 | 4 | True |
> | b798e44e-bf71-488c-9335-f20bf5976547 | win-hg-120 | 120000 | 1600 | 0 | 32 | True |
> | d1acf88d-6f55-4c5c-a914-4ecbdbd50d6b | sp-30 | 30000 | 200 | 0 | 2 | True |
> | def75cbd-a4b1-4f82-9152-90c65df9587b | win-hg-60 | 60000 | 1600 | 0 | 16 | True |
> | e43d7458-6b82-4a78-a712-3a4dc6748cf4 | vps-ssd-3 | 8000 | 40 | 0 | 2 | True |
> | ed286e2c-769f-4c47-ac52-b8de7a4891f6 | sp-240 | 240000 | 1600 | 0 | 16 | True |
> | ed835a73-d9a0-43ee-bd89-999c51d8426d | win-sp-60-ssd | 60000 | 200 | 0 | 4 | True |
> | f247dc56-395b-49de-9a62-93ccc4fff4ed | win-sp-120 | 120000 | 800 | 0 | 8 | True |
> | fa3cc551-0358-4170-be64-56ea432b064c | hg-7 | 7000 | 200 | 0 | 2 | True |
> | ff48c2cf-c17f-4682-aaf6-31d66786f808 | hg-15-ssd | 15000 | 200 | 0 | 4 | True |
> +--------------------------------------+----------------+--------+------+-----------+-------+-----------+
>
> For instance hg-60 is the 3 replicas version and hg-60-ssd is the ssd version. The pricing is the same (the web page has not been updated yet but the proprietary OVH web panel shows the per-hour price).
>
> Cheers
>
--
Loïc Dachary, Artisan Logiciel Libre
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prev parent reply other threads:[~2016-05-02 13:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-02 8:57 running make check in the cloud, with locally attached SSD Loic Dachary
2016-05-02 12:59 ` Erwan Velu
2016-05-02 13:30 ` Loic Dachary [this message]
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