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feat(BRM,oids): add a tool to reclaim OID space parts. (#3524)

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* feat(BRM,oids): add a tool to reclaim OID space parts.


---------

Co-authored-by: = <=>
Co-authored-by: Leonid Fedorov <leonid.fedorov@mariadb.com>
Co-authored-by: Leonid Fedorov <79837786+mariadb-LeonidFedorov@users.noreply.github.com>
This commit is contained in:
drrtuy
2025-05-23 02:53:09 +01:00
committed by GitHub
parent 14ac14b35d
commit 806c3abc78
3 changed files with 80 additions and 0 deletions
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1
debian/mariadb-plugin-columnstore.install vendored
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@ -38,6 +38,7 @@ usr/bin/mcs-stop-controllernode.sh
usr/bin/mcs-load-brm-from-file
usr/bin/mcs-load-em
usr/bin/mcs-shmem-locks
usr/bin/mcs-oid-client
usr/bin/mcsGetConfig
usr/bin/mcsSetConfig
usr/bin/mycnfUpgrade

13
versioning/BRM/CMakeLists.txt
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@ -182,3 +182,16 @@ install(
DESTINATION ${ENGINE_BINDIR}
COMPONENT columnstore-engine
)
add_executable(mcs-oid-client oid-client.cpp)
target_link_libraries(
mcs-oid-client
${ENGINE_LDFLAGS}
${ENGINE_WRITE_LIBS}
boost_program_options
)
install(TARGETS mcs-oid-client
DESTINATION ${ENGINE_BINDIR}
COMPONENT columnstore-engine
)

66
versioning/BRM/oid-client.cpp Normal file
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@ -0,0 +1,66 @@
/* Copyright (C) 2016-2025 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
#include <iostream>
#include "dbrm.h"
#include <boost/program_options.hpp>
namespace po = boost::program_options;
template <class T>
void check_value(const boost::program_options::variables_map& vm, const std::string& opt1, T lower_bound,
T upper_bound)
{
auto value = vm[opt1].as<T>();
if (value < lower_bound || value >= upper_bound)
{
throw std::logic_error(std::string("Option '") + opt1 + "' is out of range.: " + std::to_string(value));
}
}
int main(int argc, char** argv)
{
po::options_description desc(
"A tool to reclaim OID space. It needs controllernode to be online to operate ");
uint32_t lowerOid;
uint32_t upperOid;
desc.add_options()("help", "produce help message")
("lower-oid,l", po::value<uint32_t>(&lowerOid)->required(), "lower oid that can not be lower 3000")
("upper-oid,u", po::value<uint32_t>(&upperOid)->required(), "lower oid that can not be bigger 16 * 1024 ^ 2");
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
if (argc == 1 || vm.count("help"))
{
cout << desc << "\n";
return 1;
}
uint32_t bitMapSize = 8 * 2 * 1024 * 1024;
check_value<int>(vm, "lower-oid", 3000, bitMapSize-1);
check_value<int>(vm, "upper-oid", lowerOid, bitMapSize);
po::notify(vm);
BRM::DBRM brm;
std::cout << "OID space size before reclaim: " << brm.oidm_size() << std::endl;
brm.returnOIDs(lowerOid, upperOid);
std::cout << "OID space size after reclaim:" << brm.oidm_size() << std::endl;
return 0;
}