From user-return-19183-archive-asf-public=cust-asf.ponee.io@ignite.apache.org Tue May 8 10:52:12 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 EEAF1180674 for ; Tue, 8 May 2018 10:52:11 +0200 (CEST) Received: (qmail 92875 invoked by uid 500); 8 May 2018 08:52:09 -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 92865 invoked by uid 99); 8 May 2018 08:52:09 -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; Tue, 08 May 2018 08:52:09 +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 BC18BC0286 for ; Tue, 8 May 2018 08:52:08 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 0.918 X-Spam-Level: X-Spam-Status: No, score=0.918 tagged_above=-999 required=6.31 tests=[RCVD_IN_DNSWL_NONE=-0.0001, SPF_FAIL=0.919, SPF_HELO_PASS=-0.001] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id MJNoTbBMbBM0 for ; Tue, 8 May 2018 08:52:06 +0000 (UTC) Received: from n6.nabble.com (n6.nabble.com [162.255.23.37]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 362E05F178 for ; Tue, 8 May 2018 08:52:06 +0000 (UTC) Received: from n6.nabble.com (localhost [127.0.0.1]) by n6.nabble.com (Postfix) with ESMTP id A7A667107B9C for ; Tue, 8 May 2018 01:52:05 -0700 (MST) Date: Tue, 8 May 2018 01:52:05 -0700 (MST) From: sangjiaqin To: user@ignite.apache.org Message-ID: <1525769525684-0.post@n6.nabble.com> Subject: How to synchronize the WAL recovery data with 3rd Party Persistence(e.g SQL Database) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi, I both use WAL(Write-Ahead Log) and Database persistence in the Ignite. If a node is crashed and recovered from WAL, how to find out which data has been persisted to database before and which one hasn't been? And what's the best to synchronize the WAL data with Database? -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/