** Changed in: pcre3 (Ubuntu)
Assignee: (unassigned) => jayanth (krugar-kali)
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https://bugs.launchpad.net/bugs/1285097
Title:
PCRE JIT doesn't work on trusty
Status in pcre3 package in Ubuntu:
Confirmed
Bug description:
Hello!
I'm trying to utilize PCRE JIT on latest ubuntu trusty. Haproxy and
nginx compile fine with PCRE JIT support, however JIT support doesn't
work.
Haproxy 1.5-dev22:
--- snip ---
HA-Proxy version 1.5-dev22-snapshot-20140225 2014/02/03
Copyright 2000-2014 Willy Tarreau <w...@1wt.eu>
Build options :
TARGET = linux2628
CPU = generic
CC = gcc
CFLAGS = -O3 -pipe -fomit-frame-pointer -funroll-loops -g
OPTIONS = USE_LINUX_SPLICE=1 USE_CTTPROXY=1 USE_LINUX_TPROXY=1
USE_LIBCRYPT=1 USE_GETADDRINFO=1 USE_ZLIB=1 USE_CPU_AFFINITY=1 USE_REGPARM=1
USE_OPENSSL=1 USE_STATIC_PCRE=1 USE_PCRE_JIT=1 USE_TFO=1
Default settings :
maxconn = 2000, bufsize = 16384, maxrewrite = 8192, maxpollevents = 200
Encrypted password support via crypt(3): yes
Built with zlib version : 1.2.8
Compression algorithms supported : identity, deflate, gzip
Built with OpenSSL version : OpenSSL 1.0.1f 6 Jan 2014
Running on OpenSSL version : OpenSSL 1.0.1f 6 Jan 2014
OpenSSL library supports TLS extensions : yes
OpenSSL library supports SNI : yes
OpenSSL library supports prefer-server-ciphers : yes
Built with PCRE version : 8.31 2012-07-06
PCRE library supports JIT : no (libpcre build without JIT?)
Built with transparent proxy support using: CTTPROXY IP_TRANSPARENT
IPV6_TRANSPARENT IP_FREEBIND
--- snip ---
Nginx 1.5.10:
--- snip ---
nginx: [warn] PCRE library does not support JIT in
/etc/nginx/extra/nginx-main.conf:23
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
--- snip ---
I think that PCRE jit can have serious performance advantage with
software that can utilize it (heavy loaded nginx/haproxy instances
with lots of pcre rules).
For performance comparisions see:
http://sljit.sourceforge.net/regex_perf.html
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