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HDDS-3498. Shutdown datanode if address is already in use #7256

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merged 17 commits into from
Oct 4, 2024
Merged

HDDS-3498. Shutdown datanode if address is already in use #7256

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7d3ccfe
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
c9e88a2
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
9fd9d99
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
20f4470
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
4d16aa7
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
71588eb
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
58741b5
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
6017207
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
29400e5
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
164f1c0
Merge pull request #2 from Daniilchik/HDDS-3498-1
Daniilchik Oct 2, 2024
83fbbbe
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 2, 2024
4a46f4d
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 3, 2024
4b4a582
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 3, 2024
6253cb1
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 3, 2024
d9536ab
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 3, 2024
3bb033d
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 4, 2024
0ac758e
HDDS-3498. Shutdown datanode if address is already in use
Daniilchik Oct 4, 2024
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15 changes: 10 additions & 5 deletions ...main/java/org/apache/hadoop/ozone/container/common/statemachine/EndpointStateMachine.java
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Original file line number Diff line number Diff line change
Expand Up @@ -234,12 +234,17 @@ public void logIfNeeded(Exception ex) {
}

if (missCounter == 0) {
long missedDurationSeconds = TimeUnit.MILLISECONDS.toSeconds(
this.getMissedCount() * getScmHeartbeatInterval(this.conf)
);
LOG.warn(
"Unable to communicate to {} server at {} for past {} seconds.",
serverName,
getAddress().getHostString() + ":" + getAddress().getPort(),
TimeUnit.MILLISECONDS.toSeconds(this.getMissedCount() *
getScmHeartbeatInterval(this.conf)), ex);
"Unable to communicate to {} server at {}:{} for past {} seconds.",
serverName,
address.getAddress(),
address.getPort(),
missedDurationSeconds,
ex
);
}

if (LOG.isTraceEnabled()) {
Expand Down
3 changes: 2 additions & 1 deletion ...in/java/org/apache/hadoop/ozone/container/common/states/endpoint/VersionEndpointTask.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
package org.apache.hadoop.ozone.container.common.states.endpoint;

import java.io.IOException;
import java.net.BindException;
import java.util.concurrent.Callable;

import org.apache.hadoop.hdds.conf.ConfigurationSource;
Expand Down Expand Up @@ -104,7 +105,7 @@ public EndpointStateMachine.EndPointStates call() throws Exception {
LOG.debug("Cannot execute GetVersion task as endpoint state machine " +
"is in {} state", rpcEndPoint.getState());
}
} catch (DiskOutOfSpaceException ex) {
} catch (DiskOutOfSpaceException | BindException ex) {
rpcEndPoint.setState(EndpointStateMachine.EndPointStates.SHUTDOWN);
} catch (IOException ex) {
rpcEndPoint.logIfNeeded(ex);
Expand Down
12 changes: 11 additions & 1 deletion ...ain/java/org/apache/hadoop/ozone/container/common/transport/server/XceiverServerGrpc.java
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Expand Up @@ -19,6 +19,7 @@
package org.apache.hadoop.ozone.container.common.transport.server;

import java.io.IOException;
import java.net.BindException;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
Expand Down Expand Up @@ -185,7 +186,16 @@ public HddsProtos.ReplicationType getServerType() {
@Override
public void start() throws IOException {
if (!isStarted) {
server.start();
try {
server.start();
} catch (IOException e) {
LOG.error("Error while starting the server", e);
if (e.getMessage().contains("Failed to bind to address")) {
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@ivanzlenko ivanzlenko Oct 2, 2024 •
edited
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Do we have any actual reason to start a service if we can't start a server? Shouldn't we just handle all IOException like that?

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If we will handle all IOException like that we will end up with shutting down datanodes due to any network failures.

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Can we identify how actual retryable exceptions looks like? Is netty throwing specifically only IOExceptions here?

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Actually it is better just handle correctly server.start part and shutdown everything here cause we can't start server. There is no point to live afterwards.

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Discussed it with Daniil - we need to return to this code at some point in time to refactor it.

throw new BindException(e.getMessage());
} else {
throw e;
}
}
int realPort = server.getPort();

if (port == 0) {
Expand Down