Reduces view_schema_test runtime to 5 seconds, from 53 seconds on an NVMe disk with write-back cache, and forever on a spinning disk. Message-Id: <20170716081653.10018-1-avi@scylladb.com>
59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <boost/filesystem.hpp>
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#pragma once
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// Creates a new empty directory with arbitrary name, which will be removed
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// automatically when tmpdir object goes out of scope.
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struct tmpdir {
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tmpdir() {
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char tmp[] = "/tmp/tmpdir_XXXXXX";
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auto * dir = ::mkdtemp(tmp);
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if (dir == NULL) {
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throw std::runtime_error("Could not create temp dir");
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}
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path = dir;
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//std::cout << path << std::endl;
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}
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tmpdir(tmpdir&& v)
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: path(std::move(v.path)) {
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assert(v.path.empty());
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}
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tmpdir(const tmpdir&) = delete;
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~tmpdir() {
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if (!path.empty()) {
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boost::filesystem::remove_all(path.c_str());
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}
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}
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tmpdir & operator=(tmpdir&& v) {
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if (&v != this) {
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this->~tmpdir();
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new (this) tmpdir(std::move(v));
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}
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return *this;
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}
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tmpdir & operator=(const tmpdir&) = delete;
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sstring path;
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};
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