From user-return-17969-archive-asf-public=cust-asf.ponee.io@ignite.apache.org Fri Feb 23 11:13:24 2018 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id D5BCE180652 for ; Fri, 23 Feb 2018 11:13:23 +0100 (CET) Received: (qmail 9839 invoked by uid 500); 23 Feb 2018 10:13:22 -0000 Mailing-List: contact user-help@ignite.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@ignite.apache.org Delivered-To: mailing list user@ignite.apache.org Received: (qmail 9829 invoked by uid 99); 23 Feb 2018 10:13:22 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 23 Feb 2018 10:13:22 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 1E4D8C0145 for ; Fri, 23 Feb 2018 10:13:22 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.879 X-Spam-Level: ** X-Spam-Status: No, score=2.879 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_REPLY=1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id rjtBbEYkKgpX for ; Fri, 23 Feb 2018 10:13:20 +0000 (UTC) Received: from mail-lf0-f47.google.com (mail-lf0-f47.google.com [209.85.215.47]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 432B35FAC6 for ; Fri, 23 Feb 2018 10:13:20 +0000 (UTC) Received: by mail-lf0-f47.google.com with SMTP id m69so11609728lfe.8 for ; Fri, 23 Feb 2018 02:13:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=message-id:mime-version:to:from:subject:date:importance:in-reply-to :references; bh=iuLZpjfyavYbxnGl23SRVr58s8JDkEgGT+xIDUnK6+0=; b=rOhDwxWhGiBfoGYFuN5hxhk7BiucIhnXMQOIX/arD66xXoN8/7eI/2IyP6ihYv02nN VVqBoUo2PGxpZ8wV5W4U1fccGxB8U1AyA7QYqjAjDkild43RMsYUNF7a8B49eaH4QvUN 0+bcVtKCzKAbsYtGom2pShqQ7Hgtr4wPpP+jvLJyQsYgme6aYrzUYFLduxVnQXkiMKFs iYYppCCbk2HVV2F8ZrNHAOZgPoougiRpvV0J7KwTWyi6R0/pjj409xS4OoygWWcORuWF mFAJWkY7gxgnOVr35Reyxe7E2BiwVqV6QIZo+8/zoxlYCJgJ+g7PwHqPVp6GxoxSDETl ZFIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:message-id:mime-version:to:from:subject:date :importance:in-reply-to:references; bh=iuLZpjfyavYbxnGl23SRVr58s8JDkEgGT+xIDUnK6+0=; b=cuZ219HkbAvgfOAd9leb4vrA6GLX+hXIsiyenF3EB935ynWm9t/21wH1Va+VRCeqUD M/xrr6kkLRLPlF7hvFjSY2xEH3aYpofv4W60ef149qq1CGunPKtEkEcDff0DNFj+OSnq rN64OUsGS0kxKD1pV3AlCVaTzbJauggfYe1Ub7HY9KdJhIOp4kF9/uf+qpEO6uQPhm85 QLvWRxfrVTLbzGjgglW3dEam13nbkoJeGSm4BH1HJVnt5kFqmXnJc/dRDwdEY1D6zRb4 rEEMuY2I0rrlfoph38dZa4hIaUDDphWIKG/k6a2/4Xf/x6xkMA4ULkrZ+aSv5bDxeCIu Gw7A== X-Gm-Message-State: APf1xPC/uCY1t+QG6y/+E5jOplcs3+1O3EK+IX1qjbbKcjx3QgMmBWXT fU60VIueE9aQGoHNjr1XoqYds6uv X-Google-Smtp-Source: AH8x224RqCbJUUJHExTXOnJGARr5VsruB1fevv8KopDR38KLj1Es8db1mtejEGzND1O3Q73l2NBMfA== X-Received: by 10.25.79.19 with SMTP id d19mr939565lfb.59.1519380799479; Fri, 23 Feb 2018 02:13:19 -0800 (PST) Received: from ?IPv6:::ffff:192.168.0.103? ([93.185.29.152]) by smtp.gmail.com with ESMTPSA id h23sm409699lfj.55.2018.02.23.02.13.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 23 Feb 2018 02:13:18 -0800 (PST) Message-ID: <5a8fe93e.57ca190a.7723a.29b8@mx.google.com> MIME-Version: 1.0 To: "user@ignite.apache.org" From: Stanislav Lukyanov Subject: RE: SSD writes get slower and slower Date: Fri, 23 Feb 2018 13:13:19 +0300 Importance: normal X-Priority: 3 In-Reply-To: <1519376528113-0.post@n6.nabble.com> References: <1519376528113-0.post@n6.nabble.com> Content-Type: multipart/alternative; boundary="_4526A4FC-E7FF-44B3-AFC2-788861166007_" --_4526A4FC-E7FF-44B3-AFC2-788861166007_ Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Hi, Just to confirm =E2=80=93 you=E2=80=99re talking about Ignite=E2=80=99s nat= ive persistence, right? Can you share the code and configs you use in your testing? Thanks, Stan From: VT Sent: 23 =D1=84=D0=B5=D0=B2=D1=80=D0=B0=D0=BB=D1=8F 2018 =D0=B3. 12:02 To: user@ignite.apache.org Subject: SSD writes get slower and slower Hello,=20 I am trying to test use SSD. But as more data are written, the write performance drops significantly. Is there something I can do to solve this problem? Or are there any known issues to this problem that might be fixed in the upcoming versions? The test was done on a single node, locally. The total data size is small, not enough to fill half of SSD. Thanks=10! For example,=20 Loaded 10000 keys 239ms. Loaded 20000 keys 122ms. Loaded 30000 keys 141ms. Loaded 40000 keys 110ms. ... Loaded 8420000 keys 8068ms. Loaded 8430000 keys 201ms. Loaded 8440000 keys 187ms. Loaded 8450000 keys 162ms. Loaded 8460000 keys 182ms. Loaded 8470000 keys 164ms. Loaded 8480000 keys 171ms. Loaded 8490000 keys 8475ms. ... Loaded 84370000 keys 5684ms. Loaded 84380000 keys 4329ms. Loaded 84390000 keys 5191ms. Loaded 84400000 keys 7352ms. Loaded 84410000 keys 11171ms. ... Loaded 99940000 keys 13352ms. Loaded 99950000 keys 28771ms. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/ --_4526A4FC-E7FF-44B3-AFC2-788861166007_ Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset="utf-8"

Hi,

 

<= p class=3DMsoNormal>Just to confirm =E2=80=93 you=E2=80= =99re talking about Ignite=E2=80=99s native persistence, right?<= /span>

 <= /p>

Can you share the code and confi= gs you use in your testing?

 

Thanks,

Stan

 

From: VT
Sent: 2= 3 =D1=84=D0=B5=D0=B2=D1=80=D0=B0=D0=BB=D1=8F 2018 =D0=B3. 12:02
To: <= /b>user@ignite.apache.org
= Subject: SSD writes get slower and slower

 

Hello,

 

I am trying to test use SSD. B= ut as more data are written, the write

performance = drops significantly. Is there something I can do to solve this

problem? Or are there any known issues to this problem that mi= ght be fixed

in the upcoming versions? The test was= done on a single node, locally. The

total data siz= e is small, not enough to fill half of SSD.

&n= bsp;

Thanks!

&nb= sp;

For example,

 

Loaded 10000 keys 239ms.

Loaded 20000 keys 122ms.

Loaded 30000 = keys 141ms.

Loaded 40000 keys 110ms.

 

...

 

Loaded 8420000 keys 8068ms.<= /p>

Loaded 8430000 keys 201ms.

= Loaded 8440000 keys 187ms.

Loaded 8450000 keys 162m= s.

Loaded 8460000 keys 182ms.

Loaded 8470000 keys 164ms.

Loaded 8480000 keys 1= 71ms.

Loaded 8490000 keys 8475ms.

 

...

 

Loaded 84370000 keys 5684ms.

Loaded 84380000 keys 4329ms.

= Loaded 84390000 keys 5191ms.

Loaded 84400000 keys 7= 352ms.

Loaded 84410000 keys 11171ms.

 

...

 

Loaded 99940000 keys 13352ms= .

Loaded 99950000 keys 28771ms.

 

 

 

 

--

Sent from: http://apache-= ignite-users.70518.x6.nabble.com/

 =

= --_4526A4FC-E7FF-44B3-AFC2-788861166007_--