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new cd6e38b6d41 [Improvement](Cloud) Avoid unnecessary RPC to meta service
for watershed txn id. (#37204)
cd6e38b6d41 is described below
commit cd6e38b6d4134001dd58363f64679fb5a57a68a5
Author: Shuo Wang <wangshuo...@gmail.com>
AuthorDate: Thu Jul 11 12:03:06 2024 +0800
[Improvement](Cloud) Avoid unnecessary RPC to meta service for watershed
txn id. (#37204)
This PR proposed to reduce the number of RPC from FE to meta service for
next txn ID when register watershed txn ID.
---
.../src/main/java/org/apache/doris/cloud/catalog/CloudUpgradeMgr.java | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudUpgradeMgr.java
b/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudUpgradeMgr.java
index 58ae0256cd0..5f2a80274e5 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudUpgradeMgr.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/cloud/catalog/CloudUpgradeMgr.java
@@ -115,8 +115,9 @@ public class CloudUpgradeMgr extends MasterDaemon {
public void registerWaterShedTxnId(long be) throws UserException {
LinkedBlockingQueue<DbWithWaterTxn> txnIds = new
LinkedBlockingQueue<>();
List<Long> dbids = Env.getCurrentInternalCatalog().getDbIds();
+ Long nextTransactionId =
Env.getCurrentGlobalTransactionMgr().getNextTransactionId();
for (long dbid : dbids) {
- txnIds.offer(new DbWithWaterTxn(dbid,
Env.getCurrentGlobalTransactionMgr().getNextTransactionId()));
+ txnIds.offer(new DbWithWaterTxn(dbid, nextTransactionId));
}
txnBePairList.offer(new DbWithWaterTxnInBe(txnIds, be));
LOG.info("register watershedtxnid {} for BE {}", txnIds.stream()
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