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> Subject: [PERFORM] What is best way to stream terabytes of > data into postgresql? > > Preferably via JDBC, but by C/C++ if necessary. > > Streaming being the operative word. > > Tips appreciated. > Hi, We granted our Java Loader to the Bizgres Open Source, http://www.bizgres.org/assets/BZ_userguide.htm#50413574_pgfId-110126 You can load from STDIN instead of a file, as long as you prepend the stream with the Loader Control file, for example: for name in customer orders lineitem partsupp supplier part;do;cat TPCH_load_100gb_${name}.ctl /mnt/<remote-host>/TPCH-Data/${name}.tbl.* | loader.sh -h localhost -p 10001 -d tpch -t -u mpp; done You can also run the loader from a remote host as well, with the "-h" <host> being the target system with the Postgres database. If you have terabytes of data, you might want to set a batch size (-b switch) to commit occasionally. Feel free to contact me directly if you have questions. Thanks, Frank Frank Wosczyna Systems Engineer Greenplum / Bizgres MPP www.greenplum.com ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
