OneSizeFitsQuorum commented on code in PR #14910:
URL: https://github.com/apache/iotdb/pull/14910#discussion_r1964634025
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iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/manager/load/balancer/RouteBalancer.java:
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@@ -283,9 +298,46 @@ private void invalidateSchemaCacheOfOldLeaders(
.sendAsyncRequest(invalidateSchemaCacheRequestHandler);
}
+ private void flushOldLeaderIfIoTV2() {
+ if (!IS_ENABLE_AUTO_LEADER_BALANCE_FOR_DATA_REGION
+ || !Objects.equals(
+ DATA_REGION_CONSENSUS_PROTOCOL_CLASS,
ConsensusFactory.IOT_CONSENSUS_V2)) {
+ return;
+ }
+
+ BiConsumer<Integer, TConsensusGroupId> consumer =
+ (oldLeaderId, regionGroupId) -> {
+ TDataNodeConfiguration configuration =
+ getNodeManager().getRegisteredDataNode(oldLeaderId);
+ Map<Integer, TDataNodeLocation> oldLeaderDataNodeLocation = new
HashMap<>();
+ oldLeaderDataNodeLocation.put(
+ configuration.getLocation().dataNodeId,
configuration.getLocation());
+
+ TFlushReq flushReq = new TFlushReq();
+
flushReq.setRegionIds(Collections.singletonList(String.valueOf(regionGroupId.getId())));
+ // Do our best to flush. If flush failed, never retry
+ TSStatus result = configManager.flushOnSpecificDN(flushReq,
oldLeaderDataNodeLocation);
Review Comment:
merge all flush request for one node?
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