root@ip-172-31-6-112:/var/pentaho/biserver-ce# ./start-pentaho.sh
WARNING: Using java from path
DEBUG: PENTAHOJAVAHOME=
DEBUG: _PENTAHOJAVA=java
Using CATALINABASE: /var/pentaho/biserver-ce/tomcat
Using CATALINAHOME: /var/pentaho/biserver-ce/tomcat
Using CATALINATMPDIR: /var/pentaho/biserver-ce/tomcat/temp
Using JREHOME: /usr
Using CLASSPATH: /var/pentaho/biserver-ce/tomcat/bin/bootstrap.jar:/var/pentaho/biserver-ce/tomcat/bin/tomcat-juli.jar
Tomcat started.

tomcat logs file also add

OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000006c0000000, 1431699456, 0) failed; error='Cannot allocate memory' (errno=12)

There is insufficient memory for the Java Runtime Environment to continue.

Native memory allocation (mmap) failed to map 1431699456 bytes for committing reserved memory.

An error report file with more information is saved as:

/var/pentaho/biserver-ce/tomcat/bin/hserrpid19303.log

OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000006c0000000, 1431699456, 0) failed; error='Cannot allocate memory' (errno=12)

There is insufficient memory for the Java Runtime Environment to continue.

Native memory allocation (mmap) failed to map 1431699456 bytes for committing reserved memory.

An error report file with more information is saved as:

/var/pentaho/biserver-ce/tomcat/bin/hserrpid26047.log

OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000006c0000000, 1431699456, 0) failed; error='Cannot allocate memory' (errno=12)

There is insufficient memory for the Java Runtime Environment to continue.

Native memory allocation (mmap) failed to map 1431699456 bytes for committing reserved memory.

An error report file with more information is saved as:

/var/pentaho/biserver-ce/tomcat/bin/hserrpid2029.log

OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000006c0000000, 1431699456, 0) failed; error='Cannot allocate memory' (errno=12)

There is insufficient memory for the Java Runtime Environment to continue.

Native memory allocation (mmap) failed to map 1431699456 bytes for committing reserved memory.

An error report file with more information is saved as:

/var/pentaho/biserver-ce/tomcat/bin/hserrpid2147.log