Make gray peer selection uniform

Prevents the system from always picking the gray peers with the most
recent last_seen.
This commit is contained in:
Miguel Herranz 2017-02-28 17:39:39 +01:00
parent f3be9991d7
commit 1a7e18bfdf
1 changed files with 8 additions and 1 deletions

View File

@ -1023,7 +1023,14 @@ namespace nodetool
while(rand_count < (max_random_index+1)*3 && try_count < 10 && !m_net_server.is_stop_signal_sent())
{
++rand_count;
size_t random_index = get_random_index_with_fixed_probability(max_random_index);
size_t random_index;
if (use_white_list) {
random_index = get_random_index_with_fixed_probability(max_random_index);
} else {
random_index = crypto::rand<size_t>() % m_peerlist.get_gray_peers_count();
}
CHECK_AND_ASSERT_MES(random_index < local_peers_count, false, "random_starter_index < peers_local.size() failed!!");
if(tried_peers.count(random_index))