[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-205) Out of Memory on copy of large indexes by JMS

Out of Memory on copy of large indexes by JMS --------------------------------------------- Key: HSEARCH-205 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-205 Project: Hibernate Search Issue Type: Bug Components: directory provider Reporter: Sanne Grinovero When using FSMasterDirectoryProvider Hibernate Search uses java.nio.channels.FileChannel to make a copy of the index, but each File needs to reserve an amout of RAM equals to the current block size; it is currently set to "whole file", so for big indexes it could cause Out of Memory errors. The file should be transfered splitting it in minor fixed blocks. http://forum.hibernate.org/viewtopic.php?t=987323