gavinchou commented on code in PR #56061:
URL: https://github.com/apache/doris/pull/56061#discussion_r2349522776
##########
cloud/src/meta-service/meta_service.cpp:
##########
@@ -731,6 +731,31 @@ void internal_create_tablet(const CreateTabletsRequest*
request, MetaServiceCode
std::string key;
std::string val;
meta_tablet_key(key_info, &key);
+
+ err = txn->get(key, &val);
+ TEST_SYNC_POINT_CALLBACK("meta_service_test:get_meta_tablet_key_error",
&err);
+ if (err == TxnErrorCode::TXN_OK) {
+ doris::TabletMetaCloudPB exists_tablet_meta;
+ if (!exists_tablet_meta.ParseFromString(val)) {
+ code = MetaServiceCode::PROTOBUF_SERIALIZE_ERR;
+ msg = fmt::format("malformed tablet meta, unable to initialize,
key={}", hex(key));
+ return;
+ }
+ if (exists_tablet_meta.tablet_id() == tablet_meta.tablet_id() &&
+ exists_tablet_meta.schema_version() ==
tablet_meta.schema_version()) {
+ // idempotent
+ code = MetaServiceCode::OK;
+ msg = fmt::format("tablet already exists, tablet_id={}
schema_version={} key={}",
+ tablet_id, tablet_meta.schema_version(),
hex(key));
+ LOG(WARNING) << msg;
+ return;
+ }
+ }
+ if (err != TxnErrorCode::TXN_KEY_NOT_FOUND) {
+ code = cast_as<ErrCategory::READ>(err);
+ msg = "failed to get tablet key, key=" + hex(key);
Review Comment:
also LOG this unexpected error
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