From 6f1822e5f1eaafd8bc46e999de730c1fcca77f3a Mon Sep 17 00:00:00 2001 From: Alexander Kanavin Date: Thu, 1 Feb 2018 20:01:53 +0200 Subject: rpm: add a patch to help with Docker performance issues Signed-off-by: Alexander Kanavin Signed-off-by: Ross Burton --- ...FD_CLOEXEC-on-opened-files-before-exec-fr.patch | 49 ++++++++++++++++++++++ meta/recipes-devtools/rpm/rpm_4.14.1.bb | 1 + 2 files changed, 50 insertions(+) create mode 100644 meta/recipes-devtools/rpm/files/0001-Revert-Set-FD_CLOEXEC-on-opened-files-before-exec-fr.patch diff --git a/meta/recipes-devtools/rpm/files/0001-Revert-Set-FD_CLOEXEC-on-opened-files-before-exec-fr.patch b/meta/recipes-devtools/rpm/files/0001-Revert-Set-FD_CLOEXEC-on-opened-files-before-exec-fr.patch new file mode 100644 index 0000000000..4651409a65 --- /dev/null +++ b/meta/recipes-devtools/rpm/files/0001-Revert-Set-FD_CLOEXEC-on-opened-files-before-exec-fr.patch @@ -0,0 +1,49 @@ +From 982e47df7b82c5ffe3c414cf5641f08dba0f0e64 Mon Sep 17 00:00:00 2001 +From: Alexander Kanavin +Date: Fri, 26 Jan 2018 16:32:04 +0200 +Subject: [PATCH] Revert "Set FD_CLOEXEC on opened files before exec from lua + script is called" + +This reverts commit 7a7c31f551ff167f8718aea6d5048f6288d60205. +The reason is that when _SC_OPEN_MAX is much higher than the usual 1024 +(for example inside docker), the performance drops sharply. + +Upstream has been notified: +https://bugzilla.redhat.com/show_bug.cgi?id=1537564 + +Upstream-Status: Inappropriate [upstream needs to come up with a better fix] +Signed-off-by: Alexander Kanavin +--- + luaext/lposix.c | 12 ------------ + 1 file changed, 12 deletions(-) + +diff --git a/luaext/lposix.c b/luaext/lposix.c +index 0a7c26c71..c578c5a11 100644 +--- a/luaext/lposix.c ++++ b/luaext/lposix.c +@@ -335,22 +335,10 @@ static int Pexec(lua_State *L) /** exec(path,[args]) */ + const char *path = luaL_checkstring(L, 1); + int i,n=lua_gettop(L); + char **argv; +- int flag, fdno, open_max; + + if (!have_forked) + return luaL_error(L, "exec not permitted in this context"); + +- open_max = sysconf(_SC_OPEN_MAX); +- if (open_max == -1) { +- open_max = 1024; +- } +- for (fdno = 3; fdno < open_max; fdno++) { +- flag = fcntl(fdno, F_GETFD); +- if (flag == -1 || (flag & FD_CLOEXEC)) +- continue; +- fcntl(fdno, F_SETFD, FD_CLOEXEC); +- } +- + argv = malloc((n+1)*sizeof(char*)); + if (argv==NULL) return luaL_error(L,"not enough memory"); + argv[0] = (char*)path; +-- +2.15.1 + diff --git a/meta/recipes-devtools/rpm/rpm_4.14.1.bb b/meta/recipes-devtools/rpm/rpm_4.14.1.bb index d75902788e..7b8ea46a75 100644 --- a/meta/recipes-devtools/rpm/rpm_4.14.1.bb +++ b/meta/recipes-devtools/rpm/rpm_4.14.1.bb @@ -39,6 +39,7 @@ SRC_URI = "git://github.com/rpm-software-management/rpm;branch=rpm-4.14.x \ file://0003-rpmstrpool.c-make-operations-over-string-pools-threa.patch \ file://0004-build-pack.c-remove-static-local-variables-from-buil.patch \ file://0001-perl-disable-auto-reqs.patch \ + file://0001-Revert-Set-FD_CLOEXEC-on-opened-files-before-exec-fr.patch \ " PE = "1" -- cgit 1.2.3-korg