From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 30 May 2008 13:27:26 +0400 From: Alexey Tourbin To: ALT Linux Team development discussions Message-ID: <20080530092725.GT7996@solemn.turbinal> Mail-Followup-To: ALT Linux Team development discussions References: <20080529123846.GM7996@solemn.turbinal> <6062a6e60805290628v27e2692fn59c55aa116740a6f@mail.gmail.com> <20080529183744.GA14334@wo.int.altlinux.org> <20080529213114.GR7996@solemn.turbinal> <20080529215609.GA20209@wo.int.altlinux.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="JNs4m2JFMNhdiK2v" Content-Disposition: inline In-Reply-To: <20080529215609.GA20209@wo.int.altlinux.org> Subject: Re: [devel] rpm: rsyncable deflate vs LZMA X-BeenThere: devel@lists.altlinux.org X-Mailman-Version: 2.1.10b3 Precedence: list Reply-To: ALT Linux Team development discussions List-Id: ALT Linux Team development discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 May 2008 09:24:04 -0000 Archived-At: List-Archive: List-Post: --JNs4m2JFMNhdiK2v Content-Type: multipart/mixed; boundary="8KmZJhJMEENkOiL3" Content-Disposition: inline --8KmZJhJMEENkOiL3 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 30, 2008 at 01:56:10AM +0400, Dmitry V. Levin wrote: > On Fri, May 30, 2008 at 01:31:14AM +0400, Alexey Tourbin wrote: > [...] > > =F5 =CD=C5=CE=D1 =C5=D3=D4=D8 =C9=C4=C5=D1. =E4=CC=D1 =D7=D9=C2=CF=D2= =C1 =D4=CF=DE=C5=CB =D3=C9=CE=C8=D2=CF=CE=C9=DA=C1=C3=C9=C9 (gzflush) =CD= =CF=D6=CE=CF > > =C9=D3=D0=CF=CC=D8=DA=CF=D7=C1=D4=D8 =CE=C5 =D4=CF=CC=D8=CB=CF "=D3=CC= =C5=D0=CF=CA" rsync hint, =CE=CF =C9 cpio hint -- =CB=C1=CB > > =D4=CF=CC=D8=CB=CF =CD=D9 =D7=C9=C4=C9=CD cpio magic "070707", =CD=D9 = =DA=CE=C1=C5=CD, =DE=D4=CF =DE=C5=D2=C5=DA =CE=C5=D3=CB=CF=CC=D8=CB=CF > > =C2=C1=CA=D4=CF=D7 =C2=D5=C4=C5=D4 mtime =C9 =D0=CF=D4=CF=CD =D0=CF=CA= =C4=A3=D4 =C9=CD=D1 =C9 =D3=CF=C4=C5=D2=D6=C9=CD=CF=C5 =C6=C1=CA=CC=C1. = =F4=CF =C5=D3=D4=D8 > > sync =CD=CF=D6=CE=CF =C4=C5=CC=C1=D4=D8 =D7 =CD=C5=D3=D4=C5 =CF=CB=CF= =CE=DE=C1=CE=C9=D1 =CF=DE=C5=D2=C5=C4=CE=CF=C7=CF cpio header. >=20 > =FC=D4=CF =DA=C1=CD=C5=D4=CE=CF =D3=CE=C9=DA=C9=D4 =D3=D4=C5=D0=C5=CE=D8 = =D3=D6=C1=D4=C9=D1, =CB=CF=C7=C4=C1 =D7 =C1=D2=C8=C9=D7=C5 =CD=CE=CF=C7=CF = =CD=C1=CC=C5=CE=D8=CB=C9=C8 =C6=C1=CA=CC=CF=D7? =ED=CF=D6=CE=CF =CF=C3=C5=CE=C9=D4=D8 =C4=C5=C7=D2=C1=C4=C1=C3=C9=C0 =D3=D6= =C1=D4=C9=D1 =CF=D4 =D5=CD=C5=CE=D8=DB=C5=CE=C9=D1 deflate =C2=CC=CF=CB=C1. $ rpm2cpio /ALT/Sisyphus/files/x86_64/RPMS/glibc-core-2.5.1-alt5.x86_64.rpm= |gzip -9 |wc -c 1488757 $ gcc -DBUFSIZE=3D$((8*1024)) gztest.c -lz $ rpm2cpio /ALT/Sisyphus/files/x86_64/RPMS/glibc-core-2.5.1-alt5.x86_64.rpm= |./a.out |wc -c=20 1488040 $ gcc -DBUFSIZE=3D$((4*1024)) gztest.c -lz $ rpm2cpio /ALT/Sisyphus/files/x86_64/RPMS/glibc-core-2.5.1-alt5.x86_64.rpm= |./a.out |wc -c 1506758 $ gcc -DBUFSIZE=3D$((2*1024)) gztest.c -lz $ rpm2cpio /ALT/Sisyphus/files/x86_64/RPMS/glibc-core-2.5.1-alt5.x86_64.rpm= |./a.out |wc -c 1544170 $ gcc -DBUFSIZE=3D$((1*1024)) gztest.c -lz $ rpm2cpio /ALT/Sisyphus/files/x86_64/RPMS/glibc-core-2.5.1-alt5.x86_64.rpm= |./a.out |wc -c 1598928 $=20 =FA=C4=C5=D3=D8 deflate =C2=CC=CF=CB =D3=CF=DA=C4=C1=A3=D4=D3=D1 =CE=C1 =CB= =C1=D6=C4=D9=C5 8K, 4K, 2K, 1K =D7=C8=CF=C4=CE=CF=C7=CF =D0=CF=D4=CF=CB=C1. =F0=CF=D4=C5=D2=C9 =D3=CF=D3=D4=C1=D7=CC=D1=C0=D4 0%, 1.2%, 3.7%, 7.4%. = =EE=C1 =C4=C1=CE=CE=D9=C8, =CB=CF=D4=CF=D2=D9=C5 =D3=D6=C9=CD=C1=C0=D4=D3=D1 =CC=D5=DE=DB=C5, =D0=CF=D4=C5=D2=C9 =CD=CF=C7=D5=D4 =C2=D9=D4=D8 =D7=D9=DB= =C5. --8KmZJhJMEENkOiL3 Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="gztest.c" #include #include #include #ifndef BUFSIZE #define BUFSIZE BUFSIZ #endif int main() { char buf[BUFSIZE]; gzFile gz = gzdopen(fileno(stdout), "w9"); assert(gz); int n; while ((n = fread(buf, 1, sizeof(buf), stdin))) { int m = gzwrite(gz, buf, n); assert(n == m); gzflush(gz, Z_SYNC_FLUSH); } gzclose(gz); return 0; } --8KmZJhJMEENkOiL3-- --JNs4m2JFMNhdiK2v Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkg/yH0ACgkQfBKgtDjnu0YAigCg0ayy0IhZPAv/bzKbDNAXeznJ MiIAniK3mw1CQTUt9MyKoZIxPe4JssXH =fmAx -----END PGP SIGNATURE----- --JNs4m2JFMNhdiK2v--