Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 2608B200CDF for ; Thu, 17 Aug 2017 12:37:34 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 2448A16AA9E; Thu, 17 Aug 2017 10:37:34 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 69B7216AA9A for ; Thu, 17 Aug 2017 12:37:33 +0200 (CEST) Received: (qmail 5758 invoked by uid 500); 17 Aug 2017 10:37:31 -0000 Mailing-List: contact dev-help@ignite.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@ignite.apache.org Delivered-To: mailing list dev@ignite.apache.org Received: (qmail 5746 invoked by uid 99); 17 Aug 2017 10:37:31 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 17 Aug 2017 10:37:31 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 0DD48180582 for ; Thu, 17 Aug 2017 10:37:31 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.379 X-Spam-Level: ** X-Spam-Status: No, score=2.379 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_SORBS_SPAM=0.5, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id kwPBqrXuj9Qh for ; Thu, 17 Aug 2017 10:37:27 +0000 (UTC) Received: from mail-qk0-f170.google.com (mail-qk0-f170.google.com [209.85.220.170]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 29D405F298 for ; Thu, 17 Aug 2017 10:37:27 +0000 (UTC) Received: by mail-qk0-f170.google.com with SMTP id a77so34194385qkb.0 for ; Thu, 17 Aug 2017 03:37:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=ov0OGhSBKGlkLj+MJIpIuuv6B/pmdwoedLwPQnbx520=; b=GP9Y1HF6X8wY382eLj8eamaiU79mkFDg1EdQKghwRM7aScw8c726Hg6vONevhxdYJF K9npjrW3O8nPzJP0CE69qRnbg/4OS7Pl+GZqSHkMTekcVo2zH0oFVLOmb4OR/QaoioCQ AgW+7cJ7F7RwEP2GLUIip4q9ENI/R4vbpoe+a2W1AypzuKpBh9+ubFqRF31XeFAfLZWo cUFwcm7BusEz64vq7f0CFxdnOBkc0hNfJrzjG3MkdNbMwwHXi4gB8xUDRk5yIWTOqiXg 6QbjLdql+vmHIYEao9XZPc0LyjGoSfj91zLxTFHVWllzIAHVytjZwkgBiMt4S7gRHKaQ ngwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=ov0OGhSBKGlkLj+MJIpIuuv6B/pmdwoedLwPQnbx520=; b=qwfZyuGA9DRtX36nKMlwWpGlzo6gzjXklAjRA1/5CnQ7DkJSLwI7U3RrPs1A+jdv5m X2FqJC1albbwyXczHJPrOV5Ca0I2gsew2q9hqVrCdFDZl6ziXl8Wu3Zd7vwW5TZE4SCu tOxfhxtwHZS6matKzCCCQHgF0LVrw2dXdbHA8WBSxJgFYpVIljl4ZZMU2ElznlkvrjyX b8RC1va5wUkydAM2Qpr1toF0H87cJQlPs5ENFnpOcPhytsQHKTpCUpTyJylL7rSSSxy7 S+KOswWI8AHwzsxuLcF93KFzBzAK23wXsRd4VwDfR5cmwTUv+9eitWKrycteOMe7njiU b0EQ== X-Gm-Message-State: AHYfb5jF+kxEHisxoiRlunM7KVK3D3LvIH/c3YoNy+DQluEtS7hWF4vs e6NFoibO8Z9fprxe1uyPc1Q5+kpasg== X-Received: by 10.55.163.212 with SMTP id m203mr6258223qke.332.1502966241316; Thu, 17 Aug 2017 03:37:21 -0700 (PDT) MIME-Version: 1.0 From: ALEKSEY KUZNETSOV Date: Thu, 17 Aug 2017 10:37:10 +0000 Message-ID: Subject: The reason behind locking backup copy To: "dev@ignite.apache.org" Content-Type: multipart/alternative; boundary="94eb2c070692ec5c9b0556f098f8" archived-at: Thu, 17 Aug 2017 10:37:34 -0000 --94eb2c070692ec5c9b0556f098f8 Content-Type: text/plain; charset="UTF-8" Hi, Igntrs! Consider primary node P, backup node B for some key1. When we create lock on this key (at primary node) : IgniteCache primaryCache = primaryIgnite.cache(DEFAULT_CACHE_NAME); primaryCache.lock("key1").lock() After lock acquired on primary node, the GridCacheMvccCandidate would be created on backup node . What is the point of creating candidate on backup node ? I cannot find any reason for this. -- *Best Regards,* *Kuznetsov Aleksey* --94eb2c070692ec5c9b0556f098f8--