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Thread-Topic: Which version is stable enough for production environment? Thread-Index: AQHSSqsoapVhBdpziEyCnh+QlkiO/aDwxL8fgAAAxgCAAAKxJIAAVtyAgADUrLA= Date: Wed, 30 Nov 2016 20:04:05 +0000 Message-ID: References: , In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [24.6.207.81] x-microsoft-exchange-diagnostics: 1;CO1P100MB0102;7:yn2kanEg+u4u10P9WAos2E3V2UvXYptQFLE5BWLS3j1evshLSnt2QCJP26lxTpFda/UYjwAiABw07N8/5mQiAcGb/WTi8a9FIj/n9d3rVpjbi/P5oI8wy0GJqMTO0APZQcSgJq2ElNVbVKGd2ba7h8ZM7Im1OpzRlbkQlUYHFsw24KSb4dEXh+YQMVfMK6Wqoi+f3Lp8ucZjVURJNtUd2EUGMh/pPIW7qvFpnDqRiYKqvopoixMvG2q6aeDiSZ0Fk6hV5ehQxzlpSrt1Ha4iRPnNo1P/ZjeYe4/jzqZq/qbNlJW5oyxD1h9bn86Xpzo+Ihixz9eaPfayusO25hax+IKTuyoZKn3AsIi+SbEnHY0=;20: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 x-ms-office365-filtering-correlation-id: f066da99-f18d-4057-768a-08d4195c09e6 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(22001);SRVR:CO1P100MB0102; x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:(134217032509453)(125752637963717); x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040375)(2401047)(8121501046)(5005006)(3002001)(10201501046)(6041248)(20161123555025)(20161123560025)(20161123562025)(20161123564025)(6072148);SRVR:CO1P100MB0102;BCL:0;PCL:0;RULEID:;SRVR:CO1P100MB0102; x-forefront-prvs: 0142F22657 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(7916002)(377454003)(189002)(199003)(51874003)(377424004)(81166006)(229853002)(107886002)(19627405001)(1730700003)(80792005)(66066001)(4001150100001)(2351001)(8676002)(101416001)(97736004)(7906003)(6506003)(2501003)(74316002)(93886004)(606004)(3660700001)(450100001)(3900700001)(86362001)(189998001)(38730400001)(39450400002)(39410400001)(16601075003)(3280700002)(7696004)(7846002)(7736002)(110136003)(2950100002)(6916009)(33656002)(92566002)(122556002)(2906002)(54356999)(50986999)(76176999)(5660300001)(2900100001)(6116002)(106116001)(105586002)(68736007)(106356001)(102836003)(3846002)(9686002)(8936002)(81156014);DIR:OUT;SFP:1101;SCL:1;SRVR:CO1P100MB0102;H:CO1P100MB0103.NAMP100.PROD.OUTLOOK.COM;FPR:;SPF:None;PTR:InfoNoRecords;MX:1;A:1;LANG:en; received-spf: None (protection.outlook.com: walmartlabs.com does not designate permitted sender hosts) spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_CO1P100MB010357090071AA9A30A893C2A08C0CO1P100MB0103NAMP_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Nov 2016 20:04:05.6524 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3cbcc3d3-094d-4006-9849-0d11d61f484d X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1P100MB0102 X-OriginatorOrg: walmartlabs.com X-CFilter-Loop: oser500435 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-11-30_15:,, signatures=0 archived-at: Wed, 30 Nov 2016 20:16:20 -0000 --_000_CO1P100MB010357090071AA9A30A893C2A08C0CO1P100MB0103NAMP_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable https://issues.apache.org/jira/browse/CASSANDRA-12728 [CASSANDRA-12728] Handling partially written hint files ... issues.apache.org Cassandra; CASSANDRA-12728; Handling partially written hint files. Agile Bo= ard; Awaiting Feedback; Export https://issues.apache.org/jira/browse/CASSANDRA-12844 Also when i testes some of our write heavy workload Leveled Compaction was = not keeping up.With same system settings 2.1.16 performs better and all lev= els was properly aligned. ________________________________ From: Benjamin Roth Sent: Tuesday, November 29, 2016 11:20:19 PM To: user@cassandra.apache.org Subject: Re: Which version is stable enough for production environment? What are the compaction issues / hint corruprions you encountered? Are ther= e JIRA tickets for it? I am curios cause I use 3.10 (trunk) in production. For anyone who is planning to use MVs: They basically work. We use them in production since some months, BUT (it's= a quite big one) maintainance is a pain. Bootstrapping and repairs may be = - depending on the model, config, amount of data - really, really painful. = I'm currently investigating intensively. 2016-11-30 3:11 GMT+01:00 Harikrishnan Pillai >: 3.0 has "off the heap memtable" impl removed and if you have a requirement = for this,its not available.If you don't have the requirement 3.0.9 can be t= ried out. 3.9 version we did some testing and find lot issues in compaction= ,hint corruption etc. Regards Hari ________________________________ From: Discovery > Sent: Tuesday, November 29, 2016 5:59 PM To: user Subject: Re: Which version is stable enough for production environment? Why version 3.x is not recommended? Thanks. ------------------ Original ------------------ From: "Harikrishnan Pillai";>; Date: Wed, Nov 30, 2016 09:57 AM To: "user">; Subject: Re: Which version is stable enough for production environment? Cassandra 2.1.16 ________________________________ From: Discovery > Sent: Tuesday, November 29, 2016 5:42 PM To: user Subject: Which version is stable enough for production environment? Hi Cassandra Experts, We prepare to deploy Cassandra in production env, but we = can not confirm which version is stable and recommended, could someone in t= his mail list give the suggestion? Thanks in advance! Best Regards Discovery 11/30/2016 -- Benjamin Roth Prokurist Jaumo GmbH * www.jaumo.com Wehrstra?e 46 * 73035 G?ppingen * Germany Phone +49 7161 304880-6 * Fax +49 7161 304880-1 AG Ulm * HRB 731058 * Managing Director: Jens Kammerer --_000_CO1P100MB010357090071AA9A30A893C2A08C0CO1P100MB0103NAMP_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

https://issues.= apache.org/jira/browse/CASSANDRA-12728

issues.apache.org
Cassandra; CASSANDRA-12728; Handling partially written hint files. Agile Bo= ard; Awaiting Feedback; Export
https://issues.apac= he.org/jira/browse/CASSANDRA-12844


Also when i testes some of our write heavy workload Leveled Compaction w= as not keeping up.With same system settings 2.1.16 performs better and all = levels was properly aligned.

From: Benjamin Roth <ben= jamin.roth@jaumo.com>
Sent: Tuesday, November 29, 2016 11:20:19 PM
To: user@cassandra.apache.org
Subject: Re: Which version is stable enough for production environme= nt?
 
What are the compaction issues / hint corruprions you enco= untered? Are there JIRA tickets for it?
I am curios cause I use 3.10 (trunk) in production.

For anyone who is planning to use MVs:
They basically work. We use them in production since some months, BUT = (it's a quite big one) maintainance is a pain. Bootstrapping and repairs ma= y be - depending on the model, config, amount of data - really, really pain= ful. I'm currently investigating intensively.

2016-11-30 3:11 GMT+01:00 Harikrishnan Pilla= i <HPillai@wa= lmartlabs.com>:

3.0 has "off the heap memtable" impl removed and if you have a= requirement for this,its not available.If you don't have the requirement 3= .0.9 can be tried out. 3.9 version we did some testing and find lot issues = in compaction,hint corruption etc.

Regards

Hari



From:= Discovery <wl_428@qq= .com>
Sent: Tuesday, November 29, 2016 5:59 PM
To: user
Subject: Re: Which version is stable enough for production environme= nt?
 
Why version 3.x is not recommended?  Thanks.


= ------------------ Original ------------------
From:  "Harikrishnan Pillai";<HPillai@walmartlabs.com<= /a>>;
Date:  Wed, Nov 30, 2016 09:57 AM
Subject:  Re: Which version is stable enough for productio= n environment?

Cassandra 2.1.16



From:= Discovery <wl_428@qq= .com>
Sent: Tuesday, November 29, 2016 5:42 PM
To: user
Subject: Which version is stable enough for production environment?<= /font>
 
Hi Cassandra Experts,

                  We prep= are to deploy Cassandra in production env, but we can not confirm which ver= sion is stable and recommended, could someone in this mail list give the su= ggestion? Thanks in advance!


Best Regards
Discovery
11/30/2016



--
Benjamin Roth
Prokurist

Jaumo GmbH · www.= jaumo.com
Wehrstraße 46 · 73035 Göppingen · Germany
Phone +49 7161 304880-6 · Fax +49 7161 304880-1
AG Ulm · HRB 731058 · Managing Director: Jens Kammerer
--_000_CO1P100MB010357090071AA9A30A893C2A08C0CO1P100MB0103NAMP_--