Return-Path: X-Original-To: apmail-couchdb-user-archive@www.apache.org Delivered-To: apmail-couchdb-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 3D4F19C76 for ; Mon, 12 Dec 2011 09:30:54 +0000 (UTC) Received: (qmail 50753 invoked by uid 500); 12 Dec 2011 09:30:52 -0000 Delivered-To: apmail-couchdb-user-archive@couchdb.apache.org Received: (qmail 50707 invoked by uid 500); 12 Dec 2011 09:30:51 -0000 Mailing-List: contact user-help@couchdb.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@couchdb.apache.org Delivered-To: mailing list user@couchdb.apache.org Received: (qmail 50699 invoked by uid 99); 12 Dec 2011 09:30:51 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 12 Dec 2011 09:30:51 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: local policy) Received: from [217.11.58.35] (HELO mx1.b1-systems.de) (217.11.58.35) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 12 Dec 2011 09:30:42 +0000 Received: from [192.168.155.45] (unknown [155.56.40.13]) by mx1.b1-systems.de (Postfix) with ESMTPSA id 8E5494075 for ; Mon, 12 Dec 2011 10:30:20 +0100 (CET) Message-ID: <4EE5D6F7.3080102@b1-systems.de> Date: Mon, 12 Dec 2011 11:27:03 +0100 From: Roman Geber User-Agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20111124 Thunderbird/8.0 MIME-Version: 1.0 To: user@couchdb.apache.org Subject: Re: Question on what is CouchDB's strength References: In-Reply-To: X-Enigmail-Version: 1.3.3 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig83601C266BBE6EF4FC89D0F5" X-Virus-Checked: Checked by ClamAV on apache.org --------------enig83601C266BBE6EF4FC89D0F5 Content-Type: multipart/mixed; boundary="------------000906030207040707070405" This is a multi-part message in MIME format. --------------000906030207040707070405 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, for me one of the greatest strength is its capability to store the apps used to work with your data. Couchapps take some getting used to, but they are very convineint and fully integrated. I wrote a blog post about couchdb's features and linked some of the resources I use a lot here: http://romangeber.com/2011/11/18/couchdb-roundup/ cu Roman On 12/12/2011 02:41 AM, jack chrispoo wrote: > Hi all, >=20 > I am new to CouchDB. I and my friends have been evaluating several > datastores including Cassandra, HBase, MongoDB, CouchDB in terms of upd= ate, > read, insert, scan throughput and latency. In our tests CouchDB perform= s > worst in all tests. I once read about some saying that because CouchDB = is > written in Erlang, throughput and lantency is not CouchDB's strength. S= o > can someone tell me some advantages of CouchDB compared to other > datastores? I did look into views, but it seems that other datastores h= ave > similar funtionalities - MongoDB can also execute javascript to generat= e > result, HBase has filter. So what exactly is CouchDB's strength? >=20 > I'll be grateful to any comments, Thanks, >=20 > jack >=20 --------------000906030207040707070405 Content-Type: application/pgp-keys; name="0x5D7E8C43.asc" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="0x5D7E8C43.asc" -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.4.11 (GNU/Linux) mQINBE4QJJQBEADwjYFB541dlM7XA3jfPTY3YrFG5oLvNsGv9K1iWfWeQSCQz+My A2LhJL7L6yILO/5sT6AbaMl5JCxa6mx9e2spz1T+k50NH6xBim9zu64hP03s3VDT TALUB0H88RCEHQcadt2Bj4J0zy+u0zCLq7BTh7mbIko+nzikRhZzTF1C/UaIM2BC pMd6M4VDAWp619ajjjyNFZk6XyBCHU11lOY/8CVfIoIHzo4XqyaKvEy1yhudt9Wt Q10+BYeLwovlRxWC37/B21y/yASymfi21HUvrvhdVd+r/XQiYSDKvipafAnmvKiC QVhL6mTjGtqTjZyfABEr8rCX2JeLqhW+4YpXF9yga10Fey1GW7Q50aIa3wckqPXJ W91h/F55bSv7nBid+lsoS4YshIJJeceEuYHUa12UXEN6/A+jRCaonstWuLppyQp5 9s0eHFMxZaJzUJRooYi7FPGIolaKCJufyx35R5QeWPRcsrNXtxLT3JOlQR8t+L8u CtJyP6T0zlhJ9cGrNKXCPivK+ZdQQSnxd+Qi7nfuAZvdT9K4lyrP2abDcysRqbB6 54xDbg2MO/3hjEHOA8VLH58A7Ual29/l27+3MNoai4uNxBvzU1IRG8Ha+KrA8jSN nE5qomI1kOi7pnUMChBUNKyO77iK/FizQHqHy6fvLckgrk6hd/3QKBIpJQARAQAB tDNSb21hbiBHZWJlciAoQjEgU3lzdGVtcyBHbWJIKSA8Z2ViZXJAYjEtc3lzdGVt cy5kZT6JAj4EEwECACgFAk4QJJQCGwMFCQDun4AGCwkIBwMCBhUIAgkKCwQWAgMB Ah4BAheAAAoJELy9qA5dfoxDynwP/0k69q4VSp82Q77pkQx3HQt1iQ8KQn50qBBW LaXKe9bAKEf/Rs64YA9akuvikk/wLV3ASUxX9FAfYPTgnALFcb9vKpgx9eheNyHD r9VsqNzGpk08N01Uj5eVG/Yn+riVvfLTiHGdiJDxLJ2dpTiE4z6wC0WQ1TzlVPNv rSmEe7XghfF39+p6f6CYro1ONjjBK5FklgqUYGhCO9SRSoEGmYYdpcTBGmt8TeCv bUuyQPmE1mnl6LqFr5p/pitBCq+FVG+qyYdWpTVLvKBiSF08S8gEaATA6euJOG3F G166nAzwTbzhwXYoAEmbsO2upU+aBEJQo9fixtIx/CXbYGT+SFvkhYFo+5z46lVB fRyR5MMOVBxBjeyl1vgO8fifWf8aWea25aMOFPvUYlMpCrQXW0VlYV9/LKTBaogh 2nvZYUmdlXjhoDDm7iHyDlbIcJHsueom7n0OqGRAAGmP6uSINcmZVrzTFBxzact9 OoWz1EH9j2D5lGncBNN27UvV2ZHswbl9LtABK3bwzlUJxCQPi/AfEEbfOL7/Tuql Ux5kmg2hfxJzmFC/9i1XkdXIx/qct2taVglsoO6/AVV3JCoGivVERJd4lOpgqi7G WIWFET15OolLsvI6uYqPUwwEr8X8KSqsybC81JYWWA1sGW5Ej/aga0x1qYdsXu5+ rMpNZXnCuQINBE4QJJQBEADJqoPCY4h3T+SppxLkFOdkJi1ZCvXP/G0oZ2VgEvEi b4gyVlktKgWRyCqdSEcCHWocoSMFaWtoN8Ad+dvbVc5AAymLzHcqk65W83S4JaNK y4Yc7ss+D4CVywIcN2h5KIykWaGMh/NbYB865x/9E/NNaVLtZmrRm/A6F9So6dO3 zh03NMQg8JyZU8i+IsRpGuuPz+G/FDiXnAvuDycrKTL7USZtn/H9y/mv9uDtivPv f5VHKgMpFfgnHmSer9yIyQMmDhybGJY+5f9JkIq60PjT+lkamCkvKbcCz7d43uQW GGfU+ELsADSaZmi9aPYdMZVL38W1RD7+JxbQMTFwfTX+LeXfhLj+CNYEqoYCmxqU 6hlvm2euzaI7TYR/yNwoDVtiMb7dOyFq5Tyal8RgZI5uipyMmbHNWmZB5JkxkNoM 5ed+hAqYxuGrWxMOC93AhovCfJNjxxVu2/aLmn1sj/28sdnVVwuOK30Ewa6u34Jf h7zImFn8NmYMi0cK/qtsL/iucoREb61iIdUAPJuuFhRO3H7s5mXl2vqAOU9vB8Qv OgkiZipnMNp/XnFjI3W47UtcTO68q/n+XxycsSpIWfgPeuZXOwtuyiMUvSdzWAfh XNE/SlbGnPAtYydMBHAFgsR2CPb4uhKRfY8n0El/8LjX92RywJrOM/5nBIh7PTlJ 0QARAQABiQIlBBgBAgAPBQJOECSUAhsMBQkA7p+AAAoJELy9qA5dfoxDH30QAO/y Djm05IkP/ni9DOanOd453bv2qY+HHvvXDqkfT8UW6F+8JwrSXEoyrhuxgWGMYhNQ Sn1a/1OpgukEln25v1q48FiEfTJHE44KAv+GyuC09OSs7dnr7cMwYHPNSmESc/HR gzwSR8M6Gjwbzlpwbe3bJGMQ0lsmW0sO+v4haghJQUjJqgYEwaWYSo9h8VT0xAoE +3rD0gXQZtnZGrO3FTGrNfOvPbL5PNfxMGKeD0gID9Ww1+g7cMDDUxEgUG1b+Q7h NTdJ3zxfYne07obTCyaKsuX8dhuyo+OzN8AWr9l8uwsHkKmnaQsi55aa4dLLZ3VS Bo8Dq91VoJNG+a8t1nC2qq56VQ2HO1se5SF3r0xXVpPAGAGBrVcfTUhUK/tZn+tU yJ/HPnXce8X6RUXHvut5NUVb1BAvjiWEehomVL+A9K9dSJ7OY0YGOqX/a0vqLb7u 2huKKqSxG1GwNThpQcgTlU6DLpK2f0A+7eXK/Kl1xhbZumzDOUPtQDZH7sdmzcz5 yuPLcaScOblQVchfiUEgzBvCbu50BIdBQai73L+glAA3UrVEOiSOUBkChE9LFiKf OkyEfHx2IbFWmkFR7crYprEoHysuJFk1lEGq53GgUyZH7mKiouIXDV56BHviSinT X+byZ6o72eIeW3kdsiVtdzjcJK8aMEHGtkA6YnHh =3DdtjR -----END PGP PUBLIC KEY BLOCK----- --------------000906030207040707070405-- --------------enig83601C266BBE6EF4FC89D0F5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJO5db3AAoJELy9qA5dfoxD1H8P/RSLkTbUH2IE+12f3zp2abWn 3/YELc78MkEHKNzuvNXH5KLx0QGhSb7hdFExUDptITdMub/v84kxQx3Nnisj14gc zlQUPEZEMOggkAAtuj2mj15f2n6tNoWBw4vlGqsjAjYIM0JJOcoX0WO0F9Ba6n+2 sHiDompb0Iyfp4LzYT/7ctb6r11NwuoUEuObmXxexwTh3bsw6FmegTFl9TGO0AYS +oGlg0Lm3VTTjd3Atxqn/jMU7MjJibzTY8hqg0tpqeiNEP1P4UWvUVlYNuLpoYTC 7xOzepIZmiiwoajnOjaqfd7gmTECvpxZQtyLt5a4c236153PLTJlcPFsgMIDUzxZ uAQfoLk+JarteZADU6RAwaHPUk/4jBM3EsdCjcB+vi/P5/iMtG3wCj2ws8tjZDNb LfN1qXZV5TGVhDf0tXL82q5xGzjpCLd/ZBVtLv4WF030pU8HoEhWjrjfR1W1B8dH 9HagBzTTJI+cCoIbWhYCuMbSsfZocSerT/0ak7nXXzeS/5LkBt/0GIAXCD0gkdaE BC+VCZ49kXREKHo4uVSISKJBSA5W0lj3UTJA6jMiSWBnhl0D1r/Wcq6fd+/T0lOD y0MkRhXVTjKShqNIxNaB8yCVzm0rdR+pvwiYaxnALu+h29jcui3MQatWFfiuRrZB SDH0ny/bcpOlWgUrpUBQ =3ghf -----END PGP SIGNATURE----- --------------enig83601C266BBE6EF4FC89D0F5--