PHP client needs fastlz compression to be compatible with legacy memcached clients

Matt Ingenthron added a comment - 16/Nov/12 9:46 PM Packages are being uploaded to the site right now. Web page update to follow. Release notes will go up on Monday.

Tim Smith added a comment - 16/Nov/12 6:02 PM I've confirmed it to work (using the current 1.0.x branch from github.com/couchbase/php-ext-couchbase). I had to create a fake /usr/lib64/libvbucket.la to get it to compile: http://www.couchbase.com/issues/browse/CCBC-127 I noticed that compress.c has this redundant (unused) definition:  92 /* headers which claim an uncompressed size above this figure are bad */  93 #define DECOMP_SANITY_LIMIT 0x40000000 And this inaccurate comment: 172 /** 173 * sanity check, don't allocate over a GB, we should make this number 174 * smaller though 175 */ Obviously minor cleanup stuff, nothing significant that I can spot. Would be great to get a 1.0.x package built and available for download with this (and other critical fixes, like PCBC-75 ) available to customers. Is there an ETA on when that can be done? Tim

Trond Norbye added a comment - 16/Nov/12 6:51 AM For 1.0.x: http://review.couchbase.org/#/c/22590/

Tim Smith added a comment - 15/Nov/12 12:32 PM More detail. I was personally unable to get the build of the latest PHP code to work with the beta2 release. I was hitting the error that is reported on http://www.couchbase.com/issues/browse/CCBC-126 : Warning: Couchbase::__construct() [couchbase.--construct]: failed to create IO instance in /usr/share/nginx/html/cb.php on line 18 Building from sources let me get past that and actually test the build that the customer was trying. And following from that was a need to deal with LD_LIBRARY_PATH and symlink hacks. A backport of the fastlz compression fix to 1.0.x, with an official release of that, would be best for this particular user's needs. Can we get an ETA on when that will be available? Thanks, Tim

Matt Ingenthron added a comment - 14/Nov/12 3:43 PM Trond: can you take care of backporting this to 1.0.x please?

Matt Ingenthron added a comment - 12/Nov/12 3:40 PM Awaiting verification fix from customer.

Mark Nunberg added a comment - 07/Nov/12 4:05 PM - edited http://review.couchbase.org/#/c/22340/ (1.1)

Mark Nunberg added a comment - 07/Nov/12 3:33 PM Awaiting approval on http://review.couchbase.com/22340 The is fixed in the code. Still needs backport to 1.0.x Assigning back to you

Matt Ingenthron added a comment - 07/Nov/12 3:22 PM Mark: Please determine if this issue is still valid and help me triage it into the appropriate release. I've assigned it to you for triage, not necessarily to fix it.

Mark Nunberg added a comment - 06/Nov/12 8:44 PM Note this is for the 1.1-dp php-ext branch. I've yet to backport this to the 1.0 branch

Mark Nunberg added a comment - 06/Nov/12 8:43 PM A binary is attached. It's not compiled against the exact same version of php, but the zend api versions remain the same. If the binary release doesn't work, I'd be happy to walk someone through building it from source (it's a very simple process -- much simpler than getting this binary built).

Mark Nunberg added a comment - 02/Nov/12 2:41 PM Fixes for this are in progress. http://review.couchbase.org/#/c/20604/ (in progress) fixes some of the crazy allocation attempts you've seen. As for fastlz support, it shouldn't be too difficult to add it on.

Tim Smith added a comment - 02/Nov/12 2:11 PM By the way, in order to compile with fastlz support, the following patch is needed: diff --git a/couchbase.c b/couchbase.c index 240ba3e..f4c14e5 100644 --- a/couchbase.c +++ b/couchbase.c @@ -41,6 +41,8 @@  #include <libcouchbase/couchbase.h>  #include "php_couchbase.h"  #ifdef HAVE_COMPRESSION_FASTLZ +# include "fastlz.h" +/* Any other code that uses fastlz_* should only include the header */  # include "fastlz.c"  #endif  #ifdef HAVE_COMPRESSION_ZLIB diff --git a/views.c b/views.c index 395cc2b..e818473 100644 --- a/views.c +++ b/views.c @@ -19,7 +19,7 @@  #include <libcouchbase/couchbase.h>  #include "php_couchbase.h"  #ifdef HAVE_COMPRESSION_FASTLZ -# include "fastlz.c" +# include "fastlz.h"  #endif  #ifdef HAVE_COMPRESSION_ZLIB  # include "zlib.h" Otherwise linking couchbase.so fails because the fastlz functions are defined in more than one place.

Tim Smith added a comment - 02/Nov/12 2:08 PM It doesn't work even when the extension is compiled to use fastlz compression. I recompiled php-ext-couchbase from git with current libcouchbase code, and configured to include fastlz support. I set couchbase.compressor=fastlz in php.ini. And the couchbase.compression_threshold is at 2000, same as the memcached extension setting. Excerpt of phpinfo() for the couchbase extension: couchbase support enabled version 1.1.0-dp5 json support yes fastlz support yes zlib support yes Directive Local Value Master Value couchbase.compression_factor 1.3 1.3 couchbase.compression_threshold 2000 2000 couchbase.compressor fastlz fastlz couchbase.serializer php php The same test case fails in the same way: Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 7598212603105511377 bytes) in /usr/share/nginx/html/cb.php on line 35

Tim Smith added a comment - 01/Nov/12 4:04 PM phpinfo() PHP Version => 5.3.15 System => Linux localhost.localdomain 2.6.18-308.16.1.el5 #1 SMP Tue Oct 2 22:01:43 EDT 2012 x86_64 Build Date => Jul 20 2012 13:07:19 Configure Command => './configure' '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu' '--target=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--cache-file=../config.cache' '--with-libdir=lib64' '--with-config-file-path=/etc' '--with-config-file-scan-dir=/etc/php.d' '--disable-debug' '--with-pic' '--disable-rpath' '--without-pear' '--with-bz2' '--with-exec-dir=/usr/bin' '--with-freetype-dir=/usr' '--with-png-dir=/usr' '--with-xpm-dir=/usr' 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