[Date Prev][Date Next]
[Chronological]
[Thread]
[Top]
RE: optimal mdb flags
- To: "'Quanah Gibson-Mount'" <quanah@zimbra.com>, <openldap-technical@openldap.org>
- Subject: RE: optimal mdb flags
- From: "Paul B. Henson" <henson@acm.org>
- Date: Wed, 8 Jan 2014 16:35:49 -0800
- Content-language: en-us
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:references:in-reply-to:subject:date:message-id :mime-version:content-type:content-transfer-encoding:thread-index :content-language; bh=gUWSxORSUN25z1JKBnAQRd/xxjMca+B/7CeUF7Uz4XE=; b=r85u2tdfyVY2FJyjjBwlg4xJyUjjWxDv+oad5Myg/j81XM6H1Hwir8t2G9vin7hBN2 T7xah25S1IHi37LoVX6DoJkR0CPCMervJMb2AO1GKtU0fV5oIkE+vvg7JZ9YzAlckNaR 4TVsU4iJ8A6QsxE+w192sJTw+dULPnBoMW2PwDs8+6KIipmKXvAihfNsjC3CJdGMV1cj SzqtKilhGap1g4dkvIaCZwezAGeeO9490AbnQsPJiEaDdraEtH3o5eC97eIz+yeUjPC6 lkF1OfTxVA9tV9hXCHZl8BvRR5Cwn+pX8JVmfQgtQ2NO5O1EE2J9ERBLZO6EPMX0LiuD bYMg==
- In-reply-to: <7D463FD024096E08037E477F@[192.168.1.2]>
- References: <015401cf0c1f$d7377890$85a669b0$@acm.org> <7D463FD024096E08037E477F@[192.168.1.2]>
- Thread-index: AQJoXDwCJO2Qt9Cv4bGuI7rE7rYCnQGVHci2mTxDaXA=
> From: Quanah Gibson-Mount [mailto:quanah@zimbra.com]
> Sent: Wednesday, January 08, 2014 8:22 AM
>
> I use writemap and nometasync. I've never encountered corruption because
> of using writemap.
Excellent. Do you use nometasync because otherwise the performance isn't
good enough for your use case? Or just because you like better performance
in general, and the risk of one lost transaction seems a reasonable
trade-off? Do you need a checkpoint directive with nometasync?
Thanks.