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Wed, 17 Jan 2018 20:38:40 +0000 From: Kyrylo Lebediev To: "user@cassandra.apache.org" Subject: Re: question about nodetool decommission Thread-Topic: question about nodetool decommission Thread-Index: AQHTj7QZQip9JFZG7k2WdORSEZGrDqN4g/z+ Date: Wed, 17 Jan 2018 20:38:40 +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: [2620:65:0:aff:1::15] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;VI1PR03MB1230;7:q7aV/azCj3cHP+P7RLVqpOnEB1eOV3hSZg7fSMPrrqAluKwTguzorzBI6y1aDxWi2+4kpdzGNtqVYNqgFquo0prA4N0qb/VU+xAv5u6OOBCsSH9WJw74nvK6XplLLY9AJy8dcSbkrTCxDL9nG1zp1zim3xu4w7E6+T9kC8/lpW/CE/sfOpxVeSM3nIQPe2wGA/VFl4QsdB9woesQjc04oT3NWcj6CJDpLbUjMLpnJKmxraTaCoeLIS3barssBvYN x-ms-exchange-antispam-srfa-diagnostics: SSOS; x-ms-office365-filtering-correlation-id: 338ffd57-b021-4562-5169-08d55dea4af7 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(5600026)(4604075)(3008032)(2017052603307)(7153060)(7193020);SRVR:VI1PR03MB1230; 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received-spf: None (protection.outlook.com: epam.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Kyrylo_Lebediev@epam.com; x-microsoft-antispam-message-info: t+fEDoGUQ2iSdvdoeE2o9Jfi4UEOFLQVMq6iPj9TOqFTcmgfGN693AxrVCphljWkysj8c1YosCpMGXRsXzhBIA== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: multipart/alternative; boundary="_000_VI1PR03MB122985DD00460BFE29D660EEF9E90VI1PR03MB1229eurp_" MIME-Version: 1.0 X-OriginatorOrg: epam.com X-MS-Exchange-CrossTenant-Network-Message-Id: 338ffd57-b021-4562-5169-08d55dea4af7 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jan 2018 20:38:40.2995 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b41b72d0-4e9f-4c26-8a69-f949f367c91d X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR03MB1230 --_000_VI1PR03MB122985DD00460BFE29D660EEF9E90VI1PR03MB1229eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Jerome, I don't know reason for this, but compactions run during 'nodetool decommi= ssion'. What C* version you are working with? What is the reason you're decommissioning the node? Any issues with it? Can you see any errors/warnings in system.log on the node being decommissio= ned? Pending tasks --- you mean output of 'nodetool tpstats'? Could you please send output of 'nodetool netstats' from the node you're tr= ying to evict from the cluster. Regards, Kyrill ________________________________ From: Jerome Basa Sent: Wednesday, January 17, 2018 6:56:10 PM To: user@cassandra.apache.org Subject: question about nodetool decommission hi, am currently decommissioning a node and monitoring it using `nodetool netstats`. i=92ve noticed that it hasn=92t started streaming any data and it=92s doing compaction (like 600+ pending tasks). the node is marked as =93UL=94 when i run `nodetool status`. has anyone seen like this before? am thinking of stopping C* and run `nodetool removenode`. also, can i add a new node to the cluster while one node is marked as =93UL=94 (decommissioning)? thanks regards, -jerome --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscribe@cassandra.apache.org For additional commands, e-mail: user-help@cassandra.apache.org --_000_VI1PR03MB122985DD00460BFE29D660EEF9E90VI1PR03MB1229eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

Hi Jerome,


I don't know reason for this, but compactions run during  'nodetool de= commission'.


What C* version you are working w= ith?

What is the reason you're decommi= ssioning the node? Any issues with it?

Can you see any errors/warnings i= n system.log on the node being decommissioned?

Pending tasks --- you mean output= of 'nodetool tpstats'?

Could you please send output of '= nodetool netstats' from the node you're trying to evict from the cluster.


Regards,

Kyrill

From: Jerome Basa <jerom= ebasa@gmail.com>
Sent: Wednesday, January 17, 2018 6:56:10 PM
To: user@cassandra.apache.org
Subject: question about nodetool decommission
 
hi,

am currently decommissioning a node and monitoring it using `nodetool
netstats`. i=92ve noticed that it hasn=92t started streaming any data and it=92s doing compaction (like 600+ pending tasks). the node is marked a= s
=93UL=94 when i run `nodetool status`.

has anyone seen like this before? am thinking of stopping C* and run
`nodetool removenode`. also, can i add a new node to the cluster while
one node is marked as =93UL=94 (decommissioning)? thanks

regards,
-jerome

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