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[FEAT MERGE] ELR & WeakRead feature enhancement

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obdev
2022-12-27 05:08:57 +00:00
committed by ob-robot
parent 9f3038df4f
commit 5aed6bd3d8
61 changed files with 1664 additions and 142 deletions
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14
src/sql/das/ob_das_location_router.cpp
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@ -20,12 +20,14 @@
#include "share/schema/ob_multi_version_schema_service.h"
#include "share/schema/ob_schema_utils.h"
#include "sql/das/ob_das_utils.h"
#include "storage/tx/wrs/ob_black_list.h"
namespace oceanbase
{
using namespace common;
using namespace share;
using namespace share::schema;
using namespace transaction;
namespace sql
{
OB_SERIALIZE_MEMBER(DASRelatedTabletMap::MapEntry,
@ -630,14 +632,24 @@ int ObDASLocationRouter::nonblock_get_readable_replica(const uint64_t tenant_id,
}
if (OB_UNLIKELY(tablet_loc.need_refresh_)){
ObAddr strong_leader;
ObBLKey bl_key;
bool in_black_list = true;
for (int64_t i = 0; OB_SUCC(ret) && !is_found && i < ls_loc.get_replica_locations().count(); ++i) {
const ObLSReplicaLocation &tmp_replica_loc = ls_loc.get_replica_locations().at(i);
if (tmp_replica_loc.is_strong_leader()) {
//in version 4.0, if das task in retry, we force to choose the leader replica
strong_leader = tmp_replica_loc.get_server();
} else if (OB_SUCC(bl_key.init(tmp_replica_loc.get_server(), tenant_id, tablet_loc.ls_id_))
&& OB_SUCC(ObBLService::get_instance().check_in_black_list(bl_key, in_black_list))
&& !in_black_list) {
tablet_loc.server_ = tmp_replica_loc.get_server();
is_found = true;
}
}
if (!is_found && strong_leader.is_valid()) {
tablet_loc.server_ = strong_leader;
is_found = true;
}
}
for (int64_t i = 0; OB_SUCC(ret) && !is_found && i < ls_loc.get_replica_locations().count(); ++i) {