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 5592F200CF0 for ; Thu, 7 Sep 2017 10:56:38 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 542AA1609DB; Thu, 7 Sep 2017 08:56:38 +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 C28C91609BF for ; Thu, 7 Sep 2017 10:56:37 +0200 (CEST) Received: (qmail 52685 invoked by uid 500); 7 Sep 2017 08:56:36 -0000 Mailing-List: contact dev-help@kylin.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@kylin.apache.org Delivered-To: mailing list dev@kylin.apache.org Received: (qmail 52674 invoked by uid 99); 7 Sep 2017 08:56:36 -0000 Received: from mail-relay.apache.org (HELO mail-relay.apache.org) (140.211.11.15) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 07 Sep 2017 08:56:36 +0000 Received: from mail-io0-f175.google.com (mail-io0-f175.google.com [209.85.223.175]) by mail-relay.apache.org (ASF Mail Server at mail-relay.apache.org) with ESMTPSA id 54B9D1A00C5 for ; Thu, 7 Sep 2017 08:56:36 +0000 (UTC) Received: by mail-io0-f175.google.com with SMTP id y123so2749777iod.0 for ; Thu, 07 Sep 2017 01:56:35 -0700 (PDT) X-Gm-Message-State: AHPjjUhHaBJG40sZ5DxKUdx+EoqIlRakH0GURdfO2PEidGIhB7j/a+AE GblKyenz/37K4lY3/XvWXrOfElwl9Q== X-Google-Smtp-Source: AOwi7QCzKTnU1ArfEdangkZZcbfOEqpXk6MrWokPm5njXvXzzgYQBluNqOLOA3CiBC1IOg3FoVVXtu4T9YmrdXAlHyY= X-Received: by 10.107.137.74 with SMTP id l71mr40767iod.186.1504774594999; Thu, 07 Sep 2017 01:56:34 -0700 (PDT) MIME-Version: 1.0 Received: by 10.50.25.131 with HTTP; Thu, 7 Sep 2017 01:56:14 -0700 (PDT) In-Reply-To: References: From: Billy Liu Date: Thu, 7 Sep 2017 16:56:14 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Does the dimension table exist in memory all the time? To: dev Content-Type: multipart/alternative; boundary="001a113ebb9633bd68055895a3fd" archived-at: Thu, 07 Sep 2017 08:56:38 -0000 --001a113ebb9633bd68055895a3fd Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable please check https://issues.apache.org/jira/browse/KYLIN-1843 2017-09-07 15:56 GMT+08:00 =E5=91=A8=E6=B9=98=E4=BC=A6 : > I have some questions about dimension table: > 1.I know that when you send a query request to kylin, kylin loads the > dimension table into memory.But i want to know when the query is finished= , > will this dimension table be freed from memory? > 2.If the dimension tables is not been freed from memory,when there is > another query,will the same dimension table be loaded into memory again? > 3.If those dimensions which in dimension table was normal dimensions(not > derived dimension),will the dimension table be loaded into memory? > --001a113ebb9633bd68055895a3fd--