[ https://issues.jboss.org/browse/ISPN-9778?page=com.atlassian.jira.plugin.... ] William Burns updated ISPN-9778: -------------------------------- Description: The EmbeddedXid and XidImpl classes show up on profiler for allocating byte[] in a local environment. 1. We should be able to remove the branch byte[] completely as well as its accompanying AtomicInteger and just return an empty byte[] that is cached (ie. Util.EMPTY_BYTE_ARRAY). 2. We can use the byte[] that is provided from the create method directly in XidImpl, which would reduce our allocation to just the 1 byte\[24\] for embedded or byte\[32\] for remote. -3. We can return the byte[] directly for getGlobalTransactionId without copying.- was: The EmbeddedXid and XidImpl classes show up on profiler for allocating byte[] in a local environment. 1. We should be able to remove the branch byte[] completely as well as its accompanying AtomicInteger and just return an empty byte[] that is cached (ie. Util.EMPTY_BYTE_ARRAY). 2. We can use the byte[] that is provided from the create method directly in XidImpl, which would reduce our allocation to just the 1 byte[24] for embedded or byte[32] for remote. 3. We can return the byte[] directly for getGlobalTransactionId without copying. -- This message was sent by Atlassian Jira (v7.12.1#712002)