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adaptation interface get_valid_sts_after

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This commit is contained in:
obdev
2023-02-15 11:15:12 +00:00
committed by ob-robot
parent f161cc3bcf
commit fa2b614483
4 changed files with 39 additions and 36 deletions
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12
src/rootserver/ob_tenant_info_loader.cpp
View File

@ -137,25 +137,25 @@ void ObTenantInfoLoader::run2()
}
}
int ObTenantInfoLoader::get_valid_sts_after(const int64_t specified_time, share::SCN &standby_scn)
int ObTenantInfoLoader::get_valid_sts_after(const int64_t specified_time_us, share::SCN &standby_scn)
{
int ret = OB_SUCCESS;
standby_scn.set_min();
share::ObAllTenantInfo tenant_info;
int64_t refresh_time_us = OB_INVALID_TIMESTAMP;
if (OB_INVALID_TIMESTAMP == specified_time) {
if (OB_INVALID_TIMESTAMP == specified_time_us) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", KR(ret), K(specified_time));
LOG_WARN("invalid argument", KR(ret), K(specified_time_us));
} else if (OB_FAIL(tenant_info_cache_.get_tenant_info(tenant_info, refresh_time_us))) {
if (OB_NEED_WAIT == ret) {
LOG_TRACE("tenant info cache is not refreshed, need wait", KR(ret));
} else {
LOG_WARN("failed to get tenant info", KR(ret));
}
} else if (refresh_time_us < specified_time) {
} else if (refresh_time_us < specified_time_us) {
ret = OB_NEED_WAIT;
LOG_TRACE("tenant info cache is old, need wait", KR(ret), K(refresh_time_us), K(specified_time), K(tenant_info));
LOG_TRACE("tenant info cache is old, need wait", KR(ret), K(refresh_time_us), K(specified_time_us), K(tenant_info));
wakeup();
} else if (!tenant_info.is_sts_ready()) {
ret = OB_NEED_WAIT;
@ -166,7 +166,7 @@ int ObTenantInfoLoader::get_valid_sts_after(const int64_t specified_time, share:
const int64_t PRINT_INTERVAL = 3 * 1000 * 1000L;
if (REACH_TIME_INTERVAL(PRINT_INTERVAL)) {
LOG_INFO("get_valid_sts_after", KR(ret), K(specified_time), K(refresh_time_us), K(tenant_info));
LOG_INFO("get_valid_sts_after", KR(ret), K(specified_time_us), K(refresh_time_us), K(tenant_info));
}
return ret;

2
src/rootserver/ob_tenant_info_loader.h
View File

@ -89,7 +89,7 @@ public:
* 2. tenant info cache is old, need wait
* 3. sts can not work for current tenant status
*/
int get_valid_sts_after(const int64_t specified_time, share::SCN &standby_scn);
int get_valid_sts_after(const int64_t specified_time_us, share::SCN &standby_scn);
int refresh_tenant_info();
private:

57
src/storage/tx/ob_standby_timestamp_service.cpp
View File

@ -101,6 +101,7 @@ void ObStandbyTimestampService::destroy()
//TODO(SCN):zhaoxing last_id should be uint64_t
last_id_ = OB_INVALID_VERSION;
epoch_ = OB_INVALID_TIMESTAMP;
switch_to_leader_ts_ = OB_INVALID_TIMESTAMP;
TG_DESTROY(tg_id_);
rpc_.destroy();
TRANS_LOG(INFO, "standby timestamp service destroy", K_(tenant_id));
@ -109,23 +110,22 @@ void ObStandbyTimestampService::destroy()
int ObStandbyTimestampService::query_and_update_last_id()
{
int ret = OB_SUCCESS;
share::ObAllTenantInfo tenant_info;
if (OB_FAIL(MTL(rootserver::ObTenantInfoLoader *)->get_tenant_info(tenant_info))) {
if (REACH_TIME_INTERVAL(3 * 1000 * 1000)) {
TRANS_LOG(WARN, "failed to get tenant info", K(ret), K(tenant_info));
}
} else if (OB_UNLIKELY(!tenant_info.is_valid())) {
ret = OB_ERR_UNEXPECTED;
TRANS_LOG(WARN, "invalid tenant info", K(ret), K(tenant_info));
} else if (!tenant_info.is_primary()) {
if (last_id_ > 0 && (tenant_info.get_standby_scn().get_val_for_gts() < last_id_)) {
TRANS_LOG(ERROR, "snapshot rolls back ", K(tenant_info), K_(last_id));
} else {
inc_update(&last_id_, (int64_t)tenant_info.get_standby_scn().get_val_for_gts());
}
} else {
SCN standby_scn;
int64_t switch_to_leader_ts = ATOMIC_LOAD(&switch_to_leader_ts_);
int64_t query_ts = OB_INVALID_TIMESTAMP != switch_to_leader_ts ? switch_to_leader_ts : 0;
if (OB_FAIL(MTL(rootserver::ObTenantInfoLoader *)->get_valid_sts_after(query_ts, standby_scn))) {
if (print_error_log_interval_.reach()) {
TRANS_LOG(INFO, "tenant role isn't standby", K(ret), K(tenant_info));
TRANS_LOG(INFO, "tenant info is invalid", K(ret), K(query_ts), K(standby_scn), KPC(this));
}
} else if (!standby_scn.is_valid()) {
ret = OB_INVALID_ARGUMENT;
TRANS_LOG(WARN, "invalid argument", K(ret), K(query_ts), K(standby_scn), KPC(this));
} else {
if (last_id_ > 0 && (standby_scn.get_val_for_gts() < last_id_)) {
TRANS_LOG(ERROR, "snapshot rolls back ", K_(switch_to_leader_ts), K(standby_scn), K_(last_id));
} else {
inc_update(&last_id_, (int64_t)standby_scn.get_val_for_gts());
ATOMIC_BCAS(&switch_to_leader_ts_, switch_to_leader_ts, OB_INVALID_TIMESTAMP);
}
}
if (print_id_log_interval_.reach()) {
@ -174,17 +174,13 @@ void ObStandbyTimestampService::switch_to_follower_forcedly()
int ObStandbyTimestampService::resume_leader()
{
int ret = OB_SUCCESS;
if (OB_FAIL(query_and_update_last_id())) {
TRANS_LOG(WARN, "query and update last id fail", KR(ret));
} else {
int64_t type = MTL(ObTimestampAccess *)->get_service_type();
if (ObTimestampAccess::ServiceType::FOLLOWER == type) {
MTL(ObTimestampAccess *)->set_service_type(ObTimestampAccess::ServiceType::STS_LEADER);
}
TRANS_LOG(INFO, "ObStandbyTimestampService resume leader success", K(type), "service_type", MTL(ObTimestampAccess *)->get_service_type(), KPC(this));
int64_t type = MTL(ObTimestampAccess *)->get_service_type();
if (ObTimestampAccess::ServiceType::FOLLOWER == type) {
MTL(ObTimestampAccess *)->set_service_type(ObTimestampAccess::ServiceType::STS_LEADER);
}
return ret;
(void)query_and_update_last_id();
TRANS_LOG(INFO, "ObStandbyTimestampService resume leader success", K(type), "service_type", MTL(ObTimestampAccess *)->get_service_type(), KPC(this));
return OB_SUCCESS;
}
int ObStandbyTimestampService::switch_to_leader()
@ -194,14 +190,14 @@ int ObStandbyTimestampService::switch_to_leader()
int64_t tmp_epoch = OB_INVALID_TIMESTAMP;
if (OB_FAIL(MTL(logservice::ObLogService *)->get_palf_role(share::GTS_LS, role, tmp_epoch))) {
TRANS_LOG(WARN, "get ObStandbyTimestampService role fail", KR(ret));
} else if (OB_FAIL(query_and_update_last_id())) {
TRANS_LOG(WARN, "query and update last id fail", KR(ret));
} else {
ATOMIC_STORE(&switch_to_leader_ts_, ObTimeUtility::current_time());
epoch_ = tmp_epoch;
int64_t type = MTL(ObTimestampAccess *)->get_service_type();
if (ObTimestampAccess::ServiceType::FOLLOWER == type) {
MTL(ObTimestampAccess *)->set_service_type(ObTimestampAccess::ServiceType::STS_LEADER);
}
(void)query_and_update_last_id();
TRANS_LOG(INFO, "ObStandbyTimestampService switch to leader success", K(type), "service_type", MTL(ObTimestampAccess *)->get_service_type(), KPC(this));
}
return ret;
@ -279,6 +275,11 @@ int ObStandbyTimestampService::get_number(int64_t &gts)
if (EXECUTE_COUNT_PER_SEC(10)) {
TRANS_LOG(WARN, "ObStandbyTimestampService is not leader", K(ret), KPC(this));
}
} else if (OB_INVALID_TIMESTAMP != ATOMIC_LOAD(&switch_to_leader_ts_)) {
ret = OB_GTS_NOT_READY;
if (EXECUTE_COUNT_PER_SEC(10)) {
TRANS_LOG(WARN, "ObStandbyTimestampService is not serving", K(ret), KPC(this));
}
} else {
gts = ATOMIC_LOAD(&last_id_);
if (OB_INVALID_VERSION == gts) {

4
src/storage/tx/ob_standby_timestamp_service.h
View File

@ -47,6 +47,7 @@ class ObStandbyTimestampService : public logservice::ObIRoleChangeSubHandler, pu
public:
ObStandbyTimestampService() : inited_(false), last_id_(OB_INVALID_VERSION), tenant_id_(OB_INVALID_ID),
epoch_(OB_INVALID_TIMESTAMP), tg_id_(-1),
switch_to_leader_ts_(OB_INVALID_TIMESTAMP),
print_error_log_interval_(3 * 1000 * 1000),
print_id_log_interval_(3 * 1000 * 1000) {}
virtual ~ObStandbyTimestampService() { destroy(); }
@ -69,7 +70,7 @@ public:
int check_leader(bool &leader);
int get_number(int64_t &gts);
int64_t get_last_id() const { return last_id_; }
TO_STRING_KV(K_(inited), K_(last_id), K_(tenant_id), K_(epoch), K_(self));
TO_STRING_KV(K_(inited), K_(last_id), K_(tenant_id), K_(epoch), K_(self), K_(switch_to_leader_ts));
private:
int query_and_update_last_id();
int handle_local_request_(const ObGtsRequest &request, obrpc::ObGtsRpcResult &result);
@ -81,6 +82,7 @@ private:
int tg_id_;
ObGtsResponseRpc rpc_;
common::ObAddr self_;
int64_t switch_to_leader_ts_;
common::ObTimeInterval print_error_log_interval_;
common::ObTimeInterval print_id_log_interval_;
};