Function hashed_name

populate-bucket/populate_bucket.cc:144–153

Prepend a hash to an object name for better performance in GCS.

/// Prepend a hash to an object name for better performance in GCS.
std::string hashed_name(bool use_hash_prefix, std::string object_name) {
  if (not use_hash_prefix) return std::move(object_name);

  // Just use the last 32-bits of the hash
  auto const hash = crc32c::Crc32c(object_name);

  char buf[16];
  std::snprintf(buf, sizeof(buf), "%08x_", hash);
  return buf + object_name;
}

struct work_item {
  std::string bucket;