From dev-return-5708-archive-asf-public=cust-asf.ponee.io@servicecomb.apache.org Mon Dec 24 08:55:34 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 DFB7F180660 for ; Mon, 24 Dec 2018 08:55:33 +0100 (CET) Received: (qmail 84985 invoked by uid 500); 24 Dec 2018 07:55:33 -0000 Mailing-List: contact dev-help@servicecomb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@servicecomb.apache.org Delivered-To: mailing list dev@servicecomb.apache.org Received: (qmail 84973 invoked by uid 99); 24 Dec 2018 07:55:32 -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; Mon, 24 Dec 2018 07:55:32 +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 D6C0C180C9E for ; Mon, 24 Dec 2018 07:55:31 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.048 X-Spam-Level: ** X-Spam-Status: No, score=2.048 tagged_above=-999 required=6.31 tests=[DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, HTML_MESSAGE=2, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (1024-bit key) header.d=126.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id Qm6n6VUOv0CZ for ; Mon, 24 Dec 2018 07:55:30 +0000 (UTC) Received: from m50-110.126.com (m50-110.126.com [123.125.50.110]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id D36195FAF1 for ; Mon, 24 Dec 2018 07:55:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=126.com; s=s110527; h=From:Mime-Version:Subject:Message-Id:Date; bh=LRQV0 jeNOZm3S9DAJFbdFUuoS4u4Gt8w96H00ltbBZ0=; b=Wfv3Lw3Z2kfU6Cu/N+eNT xN02LRUZILLOTrDwsDE93W260Bo7wxYspmAKAVZiP4kKXk8Hm5aPhbopimnQx8ci eOmz6ymR52Ftn5/mzbB5/qc38eH2PDfws8YhV5QyRXfE99tHmm19FqvBcBFr9u+E puNEty40MZS/uaA41hMt+s= Received: from [10.13.117.52] (unknown [111.200.23.34]) by smtp4 (Coremail) with SMTP id jdKowACnrjLTkCBcTd4dAQ--.177S3; Mon, 24 Dec 2018 15:55:21 +0800 (CST) From: zhaojun Content-Type: multipart/alternative; boundary="Apple-Mail=_34C6ECCB-FEF7-404F-ABD2-11DB5A6BBD83" Mime-Version: 1.0 (Mac OS X Mail 12.0 \(3445.100.39\)) Subject: [DISCUSS]The rest of TCC work we should complete Message-Id: Date: Mon, 24 Dec 2018 15:54:57 +0800 To: "dev@servicecomb.apache.org" X-Mailer: Apple Mail (2.3445.100.39) X-CM-TRANSID:jdKowACnrjLTkCBcTd4dAQ--.177S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrZr4kAF4DWw1kJr48ZF15twb_yoW3Grc_Wa yrXayDKrsxXFs3W3ZxursrWrWSkw4jqr1DA3s0qFWxGFnrt3Z8JayDWrZxua98Xw4UKw1r WF9Fkw1FyF929jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRiCJm5UUUUU== X-Originating-IP: [111.200.23.34] X-CM-SenderInfo: p2kd0ypxqyjqqrswhudrp/1tbi6wcnMFpD7UpN6AAAsg --Apple-Mail=_34C6ECCB-FEF7-404F-ABD2-11DB5A6BBD83 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi, all I just list some TCC work we should do within service-comb-pack in my = side,=20 And we should make a priority level for these task to make sure we can = publish TCC for lately. 1. try to write event log in omega side to make time-out mechanism = lightweight Actually we haven=E2=80=99t persistence compensation method = parameters in alpha, if omega crashed compensation could=E2=80=99t = invoke correctly. 2. Introduce zk or Etcd to make alpha and omega scale-out dynamically Now ,we just config alpha IP address in property file, also we = can=E2=80=99t make alpha do compensation concurrently. =20 3. do Grpc perforamnce tunning, try to write all transition log = asynchronous. Any thoughts? ------------------ Zhao Jun Apache Sharding-Sphere & ServiceComb --Apple-Mail=_34C6ECCB-FEF7-404F-ABD2-11DB5A6BBD83--