Eviction/chunk lru

[2a46m4]

No description provided.

[johnramsden]

Right now I'm hitting an assertion:

ZNCache/src/cachemap.c

Line 140 in 04a939c

assert(res->value.location.id == data_id);

[johnramsden]

I don't think this is sufficient. We need to do something like this

ZNCache/src/zncache.c

Lines 211 to 237 in 04a939c

	read_workload(int fd, uint32_t *buffer, size_t size) {
	size_t total_bytes_read = 0;
	while (total_bytes_read < size) {
	errno = 0;
	ssize_t bytes_read = read(fd, buffer + total_bytes_read, size - total_bytes_read);
	if (bytes_read < 0) {
	if (errno == EINTR) {
	// Interrupted
	continue;
	}
	fprintf(stderr, "Couldn't read the file: '%s'\n", strerror(errno));
	return 1;
	}
	if (bytes_read == 0) {
	break;
	}
	total_bytes_read += bytes_read;
	}
	if (total_bytes_read != size) {
	fprintf(stderr, "Couldn't read the file fully, read %zu bytes out of %zu\n", total_bytes_read, size);
	return 1;
	}
	return 0;
	}

. It's not guaranteed to always return all of the bytes and you might need to do further calls

[johnramsden]

Always zero for some reason