database/mariadb-columnstore-engine
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feat(MCOL-6082): Multiple readers of dbroots using OamCache logic

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This patch introduces centralized logic of selecting what dbroot is
accessible in PrimProc on what node. The logic is in OamCache for time
being and can be moved later.
This commit is contained in:
Serguey Zefirov
2025-07-10 11:31:32 +00:00
parent 2753743762
commit 5aa2a824c2
33 changed files with 232 additions and 194 deletions
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5
dbcon/mysql/is_columnstore_files.cpp
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@ -33,6 +33,7 @@
#include "we_brm.h"
#include "bytestream.h"
#include "liboamcpp.h"
#include "oamcache.h"
#include "messagequeue.h"
#include "messagequeuepool.h"
#include "we_messages.h"
@ -119,7 +120,7 @@ static int generate_result(BRM::OID_t oid, BRM::DBRM* emp, TABLE* table, THD* th
off_t compressedFileSize = 0;
we_config.initConfigCache();
messageqcpp::MessageQueueClient* msgQueueClient;
oam::Oam oam_instance;
oam::OamCache* oamcache = oam::OamCache::makeOamCache();
int pmId = 0;
int rc;
@ -141,7 +142,7 @@ static int generate_result(BRM::OID_t oid, BRM::DBRM* emp, TABLE* table, THD* th
try
{
oam_instance.getDbrootPmConfig(iter->dbRoot, pmId);
pmId = oamcache->getOwnerPM(iter->dbRoot);
}
catch (std::runtime_error&)
{