Toolserver-announce May 2010

toolserver-announce@lists.wikimedia.org

2 participants
16 discussions

s3/s4/s6 fast server
by River Tarnell 11 May '10

11 May '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, We have now re-added hyacinth as the s3/s4/s6 fast server. We will monitor its performance over the next few days. - river. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (HP-UX) iEYEARECAAYFAkvpa8oACgkQIXd7fCuc5vIlVACgrIQTZMMgBCDSJxRWK7QUFk39 2GYAnRgHwa5rcpXlCJEik28r3h6DmR0n =gZFC -----END PGP SIGNATURE-----

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wolfsbane (web server) maintenance Wednesday night UTC
by River Tarnell 07 May '10

07 May '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, On Wednesday night (or possibly Thursday morning) UTC, we will do some maintenance on wolfsbane, the web server. This will at least involve a reboot (5-10 minutes downtime). There may be some additional interruption for network configuration changes, but I'll try to keep that to a minimum. - river. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (HP-UX) iEYEARECAAYFAkvhWmQACgkQIXd7fCuc5vJgGACeIF8OfkiNo9zHesY2BJzkYlDJ cVMAn2v50Dpm1LYwJKCeDeumskO4e2LV =KJvy -----END PGP SIGNATURE-----

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Maintenance on user databases, now
by River Tarnell 06 May '10

06 May '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I am about to move user databases (sql) from zedler to adenia. This will involve a few hours read-ony time while the data is copied. Sorry for the short notice for this maintenance. - river. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (HP-UX) iEYEARECAAYFAkviE7EACgkQIXd7fCuc5vL0XACfQL14ccrxavqft8WFBPk+d3GV 08IAn12eeuL8bTRtkflRxX+K5HZSDQWC =tFCr -----END PGP SIGNATURE-----

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Move tools off cassini
by River Tarnell 06 May '10

06 May '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, Anyone who has OSM tools running on cassini should now start moving them to the normal Toolserver and accessing the database and renderd on sql-mapnik (ptolemy). We will be repurposing cassini once all tools have moved. - river. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (HP-UX) iEYEARECAAYFAkvZ2GgACgkQIXd7fCuc5vKj/wCeMBBU2v+xnFS754tBE2UANdZU UQsAnRQQLe5hWg41RK6Y0Iqrg/Fy0ikd =koHo -----END PGP SIGNATURE-----

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Intention to add multiple web servers; some tools may need changing
by River Tarnell 05 May '10

05 May '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, In the near future we plan to add an additional web server to the Toolserver. This will provide redundancy if either server fails, as well as increasing capacity. Each server will be identically configured (with the same OS, software, etc.), and HTTP requests will be distributed evenly between the systems. Some tools may require changes to function correctly in this environment: * Any tool which stores data on a local disk (e.g. /tmp or /var/tmp) and expects to retrieve the data in a different request may find the data is not present if the subsequent request runs on a different web server. To fix this, such data should be stored in a location accessible from all systems (e.g. $HOME). * Web frameworks supporting HTTP sessions often use local storage for session data. This will not work over multiple servers, for the same reason as local files. To fix this, configure your framework to store session data in $HOME or a MySQL database instead of local files. (No changes are needed for PHP, which is already configured this way.) * Tools which expect server-specific details (e.g. hostname or IP address) to remain the same will not work. This is always a bad idea, but will now not work at all. * Tools which require some kind of separate daemon will need to start the daemon on both systems, or communicate with the daemon over the network. * Initially, there will be independent access and error logs for each system. To ease debugging of scripts, it will be possible to use a URL like <http://wolfsbane.toolserver.org/~jsmith/mytool/> to force the request to a particular system. However, such URLs should not be used for any other purpose, since server names can change at any time, which would break the URLs. In the future, we hope to have unified logs for all web servers. We plan to have the additional web server operational within the next week or two. - river. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (HP-UX) iEYEARECAAYFAkvhHYgACgkQIXd7fCuc5vJNWwCff61+e57wgUfu1qr2DTBvLSF7 gtsAnRi2o0Fz7hlLCwNchPDhWqLWBkhS =3a/4 -----END PGP SIGNATURE-----

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Fast servers for s3/s4/s6, s2/s5
by River Tarnell 02 May '10

02 May '10

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, We are about to enable fast servers for s3/s4/s6 (on hyacinth) and s2/s5 (on yarrow). These work the same as the fast servers for s1; just connect to sql-sX-fast, or XXwiki-p.fastdb.toolserver.org to use them. This will also provide redundant access to the wiki databases (but not user databases) when the primary database is offline. - river. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (HP-UX) iEYEARECAAYFAkvbK28ACgkQIXd7fCuc5vJK4gCfVOw2gDq1wJd1XRJtsKRKQEO4 DzUAoIn03cy78eRYt1X80sRQDp15+s9H =CX4L -----END PGP SIGNATURE-----

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Toolserver-announce May 2010