Heap size Not tally

[wangqinghuan (Wang)]

@skyluke.1987

initial heap size [2147483648] not equal to maximum heap size

Initial heap size not equal to maximum heap size

I'm trying to start elasticsearch v5 alpha 2 on an AWS EC2 instance with 8GB memory, and keep getting this error on startup: initial heap size [268435456] not equal to maximum heap size [1073741824] Then elasticsearch fails to start. I've tried setting the ES_HEAP_SIZE environment variable, and I've tried launching elasticsearch with -Xmx4g -Xms4g, and still get the same error. What is the correct way to set the heap size?