System.out.println("Removing " + diff + " aliases to get to the start amount of " + BASE_ALIAS_COUNT + " aliases");
List<AliasMetaData> aliases= client.admin().indices().prepareGetAliases("*")
.addIndices(INDEX_NAME)
.execute().actionGet().getAliases().get(INDEX_NAME);
for (int i = 0; i <= diff; i++) {
builder.removeAlias(INDEX_NAME, aliases.get(i).alias());
if (i % 1000 == 0) {
builder.execute().actionGet();
builder = client.admin().indices().prepareAliases();
}
}