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[CP] switchover to standby timeout

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This commit is contained in:
linqiucen
2023-11-29 10:11:42 +00:00
committed by ob-robot
parent b03a138f0a
commit 9caad1da27
6 changed files with 84 additions and 69 deletions
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57
src/share/ob_share_util.cpp
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@ -22,7 +22,6 @@
#endif
#include "lib/mysqlclient/ob_isql_client.h"
#include "observer/omt/ob_tenant_config_mgr.h" // ObTenantConfigGuard
#include "storage/ls/ob_ls.h" //ObLS
namespace oceanbase
{
@ -447,61 +446,5 @@ bool ObShareUtil::is_tenant_enable_transfer(const uint64_t tenant_id)
return bret;
}
ERRSIM_POINT_DEF(ERRSIM_USER_LS_SYNC_SCN);
int ObShareUtil::wait_user_ls_sync_scn_locally(const share::SCN &sys_ls_target_scn, storage::ObLS &ls)
{
int ret = OB_SUCCESS;
logservice::ObLogHandler *log_handler = ls.get_log_handler();
transaction::ObKeepAliveLSHandler *keep_alive_handler = ls.get_keep_alive_ls_handler();
ObLSID ls_id = ls.get_ls_id();
uint64_t tenant_id = ls.get_tenant_id();
ObTimeoutCtx ctx;
if (OB_ISNULL(keep_alive_handler) || OB_ISNULL(log_handler )) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("keep_alive_ls_handler or log_handler is null", KR(ret), K(ls_id),
KP(keep_alive_handler), KP(log_handler));
} else if (OB_UNLIKELY(!sys_ls_target_scn.is_valid_and_not_min())) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid sys_ls_target_scn", KR(ret), K(sys_ls_target_scn));
} else if (OB_FAIL(ObShareUtil::set_default_timeout_ctx(ctx, GCONF.rpc_timeout))) {
LOG_WARN("fail to set timeout", KR(ret));
} else {
bool need_retry = true;
share::SCN curr_end_scn;
curr_end_scn.set_min();
(void) keep_alive_handler->set_sys_ls_end_scn(sys_ls_target_scn);
do {
if (OB_UNLIKELY(ctx.is_timeouted())) {
ret = OB_TIMEOUT;
need_retry = false;
LOG_WARN("ctx timeout", KR(ret), K(ctx));
} else {
if (OB_FAIL(log_handler->get_end_scn(curr_end_scn))) {
LOG_WARN("fail to get ls end scn", KR(ret), K(ls_id));
} else {
// switchover to standby timeout
curr_end_scn = ERRSIM_USER_LS_SYNC_SCN ? SCN::scn_dec(sys_ls_target_scn) : curr_end_scn;
LOG_TRACE("wait curr_end_scn >= sys_ls_target_scn", K(curr_end_scn), K(sys_ls_target_scn),
"is_errsim_opened", ERRSIM_USER_LS_SYNC_SCN ? true : false);
}
if (OB_SUCC(ret) && curr_end_scn >= sys_ls_target_scn) {
LOG_INFO("current user ls end scn >= sys ls target scn now", K(curr_end_scn),
K(sys_ls_target_scn), "is_errsim_opened", ERRSIM_USER_LS_SYNC_SCN ? true : false,
K(tenant_id), K(ls_id));
need_retry = false;
}
}
if (need_retry) {
ob_usleep(50 * 1000); // wait 50ms
}
} while (need_retry && OB_SUCC(ret));
if (OB_UNLIKELY(need_retry && OB_SUCC(ret))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("the wait loop should not be terminated", KR(ret), K(curr_end_scn), K(sys_ls_target_scn));
}
}
return ret;
}
} //end namespace share
} //end namespace oceanbase