76b9e4f4f4
these unused includes were identified by clangd. see https://clangd.llvm.org/guides/include-cleaner#unused-include-warning for more details on the "Unused include" warning. Signed-off-by: Kefu Chai <kefu.chai@scylladb.com> Closes scylladb/scylladb#16914
46 lines
954 B
C++
46 lines
954 B
C++
/*
|
|
*
|
|
* Modified by ScyllaDB
|
|
* Copyright (C) 2015-present ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: (AGPL-3.0-or-later and Apache-2.0)
|
|
*/
|
|
|
|
#pragma once
|
|
#include "snitch_base.hh"
|
|
|
|
namespace locator {
|
|
|
|
/**
|
|
* A simple endpoint snitch implementation that treats Strategy order as
|
|
* proximity, allowing non-read-repaired reads to prefer a single endpoint,
|
|
* which improves cache locality.
|
|
*/
|
|
struct simple_snitch : public snitch_base {
|
|
simple_snitch(const snitch_config& cfg)
|
|
: snitch_base(cfg)
|
|
{
|
|
_my_dc = get_datacenter();
|
|
_my_rack = get_rack();
|
|
|
|
// This snitch is ready on creation
|
|
set_snitch_ready();
|
|
}
|
|
|
|
virtual sstring get_rack() const override {
|
|
return "rack1";
|
|
}
|
|
|
|
virtual sstring get_datacenter() const override {
|
|
return "datacenter1";
|
|
}
|
|
|
|
virtual sstring get_name() const override {
|
|
return "org.apache.cassandra.locator.SimpleSnitch";
|
|
}
|
|
};
|
|
|
|
}
|