Fwd: [pgsql-jobs] PostgrSQL DBA (Stanford, California)

Has anyone contacted Dr. Scherrer about doing a case study of this?

Begin forwarded message:

> From: Keh-Cheng Chu <kehcheng(at)sun(dot)Stanford(dot)EDU>
> Date: July 30, 2009 6:34:40 PM CDT
> To: pgsql-jobs(at)postgresql(dot)org
> Subject: [pgsql-jobs] PostgrSQL DBA (Stanford, California)
>
> PostgreSQL DBA
>
> The Hansen Experimental Physics Lab (HEPL) at Stanford University is
> developing the Joint Science Operations Center (JSOC) to support two
> key instruments on the upcoming NASA Solar Dynamics Observatory (SDO)
> mission. Launch of SDO is expected within the next 18 months and may
> be as soon as 6 months. The JSOC team has implemented a data
> management
> system based on the PostgreSQL database system to support
> management of
> an expected flow of several hundred million records per year. The
> JSOC
> system comprises a Database Record Management System (DRMS) containing
> image metadata and a Storage Unit Management System (SUMS) containing
> up to 1 PB/year of solar image data. DRMS, in turn, comprises a C
> "wrapper" library that interfaces with a PostgreSQL server and
> database.
> The library communicates with the server via libpq function calls.
> C and FORTRAN "modules" making use of the services provided by the
> DRMS library store and retrieve data from the PostgreSQL database and
> from SUMS via file pointers stored in the database. Finally, scripts
> of various languages run these modules by submitting batch jobs to a
> queuing system that operates on a data cluster.
>
> For the final development stage prior to the launch of SDO the JSOC
> team
> seeks a consultant/contractor who can who can perform a variety of
> PostgreSQL
> design and DBA tasks; the level of effort is expected to be
> variable as
> needed with the primary effort near the beginning and a supporting
> role
> for up to a year. The successful candidate will be fluent in
> PostgreSQL
> backup, recovery, software installation and update/upgrade,
> performance,
> and security. She or he will have thorough knowledge of the tools
> available
> to perform such PSQL administrative tasks. A very good understanding
> of database design principles and how they can be used to enhance an
> existing database configuration is highly desirable. The candidate
> must
> have experience configuring hardware/software, and PostgreSQL server
> and clients so that the database performs optimally in our
> environment.
>
> The JSOC team makes use of various technologies to duplicate database
> information. It uses Slony-I, combined with administrative scripts,
> to replicate database information to offsite locations. And it uses
> Unix snapshots and log shipping of write-ahead-logs to make regular
> database checkpoints and maintain standby machines. The successful
> candidate must be knowledgeable with these and related technologies,
> and must be capable of designing and implementing such backup,
> recovery,
> and transfer procedures. The candidate should also be well-versed
> in associated tasks, such as managing fail over between standbys and
> database vacuuming, in the face of continual user queries.
>
> The JSOC Database Developer will assist in the identification of
> performance bottlenecks. This includes analysis of table design/
> relations
> and database configuration. But it also includes tracking down errant
> queries to specific processes. As most SQL queries of the PostgreSQL
> databases will be generated by the DRMS library (C code), knowledge
> of C
> and ability to rapidly master the JSOC interface between C and
> PostgreSQL
> is also essential.
>
> As the team works exclusively in Unix environments (mostly Linux), the
> successful candidate will be a competent Unix user, and fluent with C,
> shell scripting, Perl scripting, etc.
>
> The JSOC Database Developer will document operating procedures and
> plans.
> The JSOC Database Developer will also train other staff members in the
> maintenance and troubleshooting of the functioning system.
> Accordingly,
> effective communication skills are a must, including communication of
> topics of a technical nature.
>
>
> Qualifications:
> * MS Degree or equivalent experience in Computer Science or related
> field.
> * 3+ years experience working with PostgreSQL including Slony-I
> experience
> * 3+ years experience administering databases
> * Proficiency in SQL programming, and some experience with PL/pgSQL.
> * Experience with PostgreSQL's libpq is highly desirable.
> * 3+ years experience with C programming in a UNIX/Linux environment.
> * Proficiency with shell scripting languages and Perl.
> * Ability to come up to speed on a fairly mature database
> configuration in
> a timely manner.
> * Strong technical and troubleshooting skills.
> * Ability to work independently.
>
>
> Please email your resume to pscherrer(at)solar(dot)stanford(dot)edu
>
> Philip H. Scherrer
> Professor of Physics, Stanford University
>
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