Example script to demonstrate the per item expire issue.

expire_test.bro

@load base/frameworks/communication

redef exit_only_after_terminate = T;
redef table_expire_interval = 1sec;

global start_time: time;

function time_past(): interval
	{
	return network_time() - start_time;
	}

function expire_nums(tbl: table[count] of string, idx: count): interval
	{
	print fmt("Expired Num: %s --> %s at %s", idx, tbl[idx], time_past());
	return 23sec;
	}

global nums: table[count] of string &read_expire=0sec &expire_func=expire_nums;
global step: count;

event test()
	{
	++step;
	print fmt("Step: %s at %s", step, time_past());

	if ( step == 3 )
		{
		print fmt("Accessed %s -> %s", 2, nums[2]);
		print fmt("Accessed %s -> %s", 3, nums[3]);
		}

	if ( step < 6 )
		schedule 5sec { test() };
	else
		terminate();
	}


event bro_init() &priority=-10
	{
	step = 0;
	start_time = network_time();

	nums[0] = "zero";
	nums[1] = "one";
	nums[2] = "two";
	nums[3] = "three";

	schedule 0sec { test() };
	}