You can try tweaking the value of the config item mapred.child.java.opts. For instance, if you want the child JVM to have a heap size of 512 MB, set the value of the config item to -Xmx512m.
-----Original Message----- From: Mathijs Homminga [mailto:[EMAIL PROTECTED] Sent: Monday, May 14, 2007 4:29 PM To: [email protected] Subject: child JVM heap space Hi all, How can I increase the maximum heap space of the child JVM's spawned by the task tracker? (I get 'java.lang.OutOfMemoryError: Java heap space' errors in my map tasks) Thanks! Mathijs Homminga -- Knowlogy Helperpark 290 C 9723 ZA Groningen [EMAIL PROTECTED] +31 (0)6 15312977 http://www.knowlogy.nl
