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HBASE-29735 Fix miscalculated timeoutInSeconds when using MoveWithAck #7519

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HBASE-29735 Fix miscalculated timeoutInSeconds when using MoveWithAck #7519

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89124e9
HBASE-29735 Fix miscalculated timeoutInSeconds when using MoveWithAck
Nov 27, 2025
ae470c1
HBASE-29735 Fix formatting of RegionMover.java per Spotless
jcongithub Dec 6, 2025
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17 changes: 15 additions & 2 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/util/RegionMover.java
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,7 @@ public class RegionMover extends AbstractHBaseTool implements Closeable {
private Connection conn;
private Admin admin;
private RackManager rackManager;
private int maxRetries;

private RegionMover(RegionMoverBuilder builder) throws IOException {
this.hostname = builder.hostname;
Expand Down Expand Up @@ -146,6 +147,8 @@ private RegionMover(RegionMoverBuilder builder) throws IOException {
// provided as @InterfaceAudience.Private and it is commented that this is just
// to be used by unit test.
rackManager = builder.rackManager == null ? new RackManager(conf) : builder.rackManager;
this.maxRetries = admin.getConfiguration().getInt(RegionMover.MOVE_RETRIES_MAX_KEY,
RegionMover.DEFAULT_MOVE_RETRIES_MAX);
}

private RegionMover() {
Expand Down Expand Up @@ -396,8 +399,13 @@ private void loadRegions(List<RegionInfo> regionsToMove) throws Exception {
}

moveRegionsPool.shutdown();
// Calculate timeout based on acknowledge mode. In ack mode, account for retry attempts since
// MoveWithAck retries failed moves up to MOVE_RETRIES_MAX_KEY times. In no-ack mode, each
// region move is attempted only once. Timeout = regions * wait_per_region * retries
int retries = (ack) ? maxRetries : 1;
long timeoutInSeconds = regionsToMove.size()
* admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);
* admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX) * retries;

waitMoveTasksToFinish(moveRegionsPool, taskList, timeoutInSeconds);
}

Expand Down Expand Up @@ -682,8 +690,13 @@ private void submitRegionMovesWhileUnloading(ServerName server, List<ServerName>
serverIndex = (serverIndex + 1) % regionServers.size();
}
moveRegionsPool.shutdown();
// Calculate timeout based on acknowledge mode. In ack mode, account for retry attempts since
// MoveWithAck retries failed moves up to MOVE_RETRIES_MAX_KEY times. In no-ack mode, each
// region move is attempted only once. Timeout = regions * wait_per_region * retries
int retries = (ack || forceMoveRegionByAck) ? maxRetries : 1;
long timeoutInSeconds = regionsToMove.size()
* admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX);
* admin.getConfiguration().getLong(MOVE_WAIT_MAX_KEY, DEFAULT_MOVE_WAIT_MAX) * retries;

waitMoveTasksToFinish(moveRegionsPool, taskList, timeoutInSeconds);
}

Expand Down