From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 80C3A89F for ; Thu, 22 Oct 2015 21:56:30 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com [209.85.212.178]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C7F11166 for ; Thu, 22 Oct 2015 21:56:29 +0000 (UTC) Received: by wicfx6 with SMTP id fx6so7383957wic.1 for ; Thu, 22 Oct 2015 14:56:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :content-type; bh=C3f/CP2OC18Lftjfrp/nBTWodIxkFLvm8qPpEouaTys=; b=izUUkp0d2+p21riR+xGtmSbmgckcm22ibx4IN6HaNvV5+4mDurO7bLwWn70fMkK3Z5 DoE2PBhPvBxOtEKvtx61sNIpEvIb7I5DS+vT9+To5XQ6jy+6oEo6JgG8g98PMlEswrpX aks73oDADgcd+ydak/QXoLyAsLEvAdDAYbdj1Lkg8oCJxH3hIehCXNPXusvlJ8QDX2FU jyCrtoGlB8zWAbAXCBgXnzPHTSQca8dVYOYInxaItmQmCVr6zKMbvwuGBOS0ev9I0Xfk X4MjSS5PAyLnSK69/Lk6qtn60pXw1txhaMsrx9++IuMXjXQGZ6boAh309StZ4wiULWpX JkDw== X-Received: by 10.28.131.84 with SMTP id f81mr36719wmd.57.1445550988436; Thu, 22 Oct 2015 14:56:28 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: =?UTF-8?B?Sm9zZXBoIEdsZWFzb24g4pGI?= Date: Thu, 22 Oct 2015 21:56:18 +0000 Message-ID: To: Jeff Garzik , Bitcoin development mailing list Content-Type: multipart/alternative; boundary=001a11443d1c2bacbe0522b89116 X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org X-Mailman-Approved-At: Thu, 22 Oct 2015 22:41:32 +0000 Subject: Re: [bitcoin-dev] [patch] Switching Bitcoin Core to sqlite db X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Development Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Oct 2015 21:56:30 -0000 --001a11443d1c2bacbe0522b89116 Content-Type: text/plain; charset=UTF-8 I have done a lot of recent work on local key value stores, mostly for a java electrum server I am working on. I'd suggest considering LMDB. One downside is that it is memory mapped so 32-bit systems that need over 2gb of storage are right out. Other than that, it is quite fast and seems reliable in my testing. On Thu, Oct 22, 2015 at 2:37 PM Jeff Garzik via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > Here is the beginnings of an implementation to replace leveldb with > sqlite: https://github.com/jgarzik/bitcoin/tree/2015_sqlite > > It builds, but still needs work before passing tests. > > It was noted that leveldb is unmaintained, and this is part of researching > alternatives that are maintained and reliable. > > > _______________________________________________ > bitcoin-dev mailing list > bitcoin-dev@lists.linuxfoundation.org > https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev > --001a11443d1c2bacbe0522b89116 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I have done a lot of recent work on local key value stores= , mostly for a java electrum server I am working on.

I&#= 39;d suggest considering LMDB.=C2=A0 One downside is that it is memory mapp= ed so 32-bit systems that need over 2gb of storage are right out.=C2=A0 Oth= er than that, it is quite fast and seems reliable in my testing.
=

On Thu, Oct= 22, 2015 at 2:37 PM Jeff Garzik via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
It was noted that leveldb is unmaintained, and this is part= of researching alternatives that are maintained and reliable.

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bitcoin-dev mailing list
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