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Merge pull request #55 from klutchell/use-libevent

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Use libevent to allow file descriptors above 1024
This commit is contained in:
Kyle Harding
2022-03-17 12:06:29 -04:00
committed by GitHub
parent dc86ab4b5d e448fe9f2e
commit 812ba11b37
2 changed files with 43 additions and 0 deletions
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0001-package-unbound-use-system-libevent.patch
+30
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@@ -0,0 +1,30 @@
From bf8694f6b0b1234fa7cb59611ee66d15000bd5a5 Mon Sep 17 00:00:00 2001
From: Kyle Harding <kyle@balena.io>
Date: Thu, 17 Mar 2022 09:26:31 -0400
Subject: [PATCH 1/1] package/unbound: use system libevent
The file descriptor limit when using the builtin mini-event
cannot handle more than 1024 file descriptors.
https://unbound.docs.nlnetlabs.nl/en/latest/topics/performance.html?highlight=libevent#using-libevent
Signed-off-by: Kyle Harding <kyle@balena.io>
---
package/unbound/unbound.mk | 1 +
1 file changed, 1 insertion(+)
diff --git a/package/unbound/unbound.mk b/package/unbound/unbound.mk
index 1e6e0d99d7..782ed2b049 100644
--- a/package/unbound/unbound.mk
+++ b/package/unbound/unbound.mk
@@ -17,6 +17,7 @@ UNBOUND_CONF_OPTS = \
--with-pidfile=/var/run/unbound.pid \
--with-rootkey-file=/etc/unbound/root.key \
--enable-tfo-server \
+ --with-libevent=$(STAGING_DIR)/usr \
--with-libexpat=$(STAGING_DIR)/usr \
--with-ssl=$(STAGING_DIR)/usr
--
2.30.2
rootfs_overlay/etc/unbound/unbound.conf
+13
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@@ -113,4 +113,17 @@ server:
# have write permission.
auto-trust-anchor-file: /etc/unbound/root.key
# Number of ports to open. This number of file descriptors can be opened per thread.
# Must be at least 1. Default depends on compile options. Larger numbers need extra
# resources from the operating system. For performance a very large value is best,
# use libevent to make this possible.
outgoing-range: 8192
# The number of queries that every thread will service simultaneously. If more queries
# arrive that need servicing, and no queries can be jostled out (see jostle-timeout),
# then the queries are dropped. This forces the client to resend after a timeout;
# allowing the server time to work on the existing queries. Default depends on
# compile options, 512 or 1024.
num-queries-per-thread: 4096
include: /etc/unbound/a-records.conf