Return-Path: X-Original-To: apmail-incubator-drill-dev-archive@minotaur.apache.org Delivered-To: apmail-incubator-drill-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 586C5CD14 for ; Mon, 24 Nov 2014 05:37:13 +0000 (UTC) Received: (qmail 19691 invoked by uid 500); 24 Nov 2014 05:37:12 -0000 Delivered-To: apmail-incubator-drill-dev-archive@incubator.apache.org Received: (qmail 19642 invoked by uid 500); 24 Nov 2014 05:37:12 -0000 Mailing-List: contact drill-dev-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: drill-dev@incubator.apache.org Delivered-To: mailing list drill-dev@incubator.apache.org Received: (qmail 19628 invoked by uid 99); 24 Nov 2014 05:37:12 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 24 Nov 2014 05:37:12 +0000 Date: Mon, 24 Nov 2014 05:37:12 +0000 (UTC) From: "Jacques Nadeau (JIRA)" To: drill-dev@incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (DRILL-1774) Improve JSON Performance MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Jacques Nadeau created DRILL-1774: ------------------------------------- Summary: Improve JSON Performance Key: DRILL-1774 URL: https://issues.apache.org/jira/browse/DRILL-1774 Project: Apache Drill Issue Type: Bug Reporter: Jacques Nadeau Assignee: Jacques Nadeau There are multiple reasons that JSON performance is subpar. We need to update the reader to do the following: - Avoid double reading (for rewinding) - Take advantage of Jackson interning/hashing of field names. - Improve field selection behavior. (avoid object creation and multiple traversals) - Support filter pushdown -- This message was sent by Atlassian JIRA (v6.3.4#6332)