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Status file path should not be required in configuration #28

Merged
merged 1 commit into from
Sep 22, 2016
Merged

Status file path should not be required in configuration #28

merged 1 commit into from
Sep 22, 2016

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merlimat
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Motivation

Status file for external health-check monitoring should not be required in configuration.

Modifications

Remove the requirement for the field to be set in broker.conf

@yahoocla
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@merlimat merlimat added this to the 1.15 milestone Sep 20, 2016
@merlimat merlimat mentioned this pull request Sep 20, 2016
Merged
@merlimat merlimat merged commit afc771b into apache:master Sep 22, 2016
sijie added a commit to sijie/pulsar that referenced this pull request Mar 4, 2018
@sijie
Use the thread context classloader for loading functions (apache#28)
13bbbf7
@EugenDueck EugenDueck mentioned this pull request Jan 28, 2020
Closed
massakam pushed a commit to massakam/pulsar that referenced this pull request Aug 6, 2020
@nkurihar
Merge pull request apache#28 from hrsakai/vulnerability
f220013 
Upgrade js-yaml to fix security vulnerability
hangc0276 pushed a commit to hangc0276/pulsar that referenced this pull request May 26, 2021
@sijie @jiazhai
Complete the implementation of GroupCoordinator (apache#28)
5cdac96 
* Complete implememtation of group coordinator

* Complete the implementation of GroupCoordinator
@xiaotongwang1 xiaotongwang1 mentioned this pull request Aug 4, 2021
Closed
aloyszhang pushed a commit to aloyszhang/pulsar that referenced this pull request Aug 5, 2022
@dockerzhang
apache#28 update version to 2.8.1.2
35ed12b
codelipenghui added a commit to codelipenghui/incubator-pulsar that referenced this pull request Sep 30, 2022
@codelipenghui
[fix][broker] Fix the broker shutdown issue after Zookeeper node crashed
7c4b8c4 
### Motivation

[fix][broker] Fix the broker shutdown issue after the Zookeeper node crashed

### Motivation

The broker was shutdown unexpectedly after the Zookeeper node crashed. I have a test to kill the zookeeper node periodically, sometimes the following logs will appear

```
Sep 30 12:21:33 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:33,214+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 22.245 seconds
Sep 30 12:21:35 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:35,214+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 20.245 seconds
Sep 30 12:21:37 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:37,214+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 18.244 seconds
Sep 30 12:21:37 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:37,523+0000 [pulsar-web-36-43] INFO  org.eclipse.jetty.server.RequestLog - 10.0.0.54 - - [30/Sep/2022:12:21:37 +0000] "GET /metrics HTTP/1.1" 302 0 "-" "Prometheus/2.31.1" 0
Sep 30 12:21:37 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:37,526+0000 [prometheus-stats-37-1] INFO  org.eclipse.jetty.server.RequestLog - 10.0.0.54 - - [30/Sep/2022:12:21:37 +0000] "GET /metrics/ HTTP/1.1" 200 21383 "http://10.0.0.160:8080/metrics" "Prometheus/2.31.1" 2
Sep 30 12:21:39 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:39,214+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 16.244 seconds
Sep 30 12:21:41 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:41,214+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 14.244 seconds
Sep 30 12:21:43 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:43,215+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 12.244 seconds
Sep 30 12:21:45 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:45,215+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 10.243 seconds
Sep 30 12:21:47 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:47,215+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 8.243 seconds
Sep 30 12:21:47 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:47,523+0000 [pulsar-web-36-43] INFO  org.eclipse.jetty.server.RequestLog - 10.0.0.54 - - [30/Sep/2022:12:21:47 +0000] "GET /metrics HTTP/1.1" 302 0 "-" "Prometheus/2.31.1" 0
Sep 30 12:21:47 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:47,526+0000 [prometheus-stats-37-1] INFO  org.eclipse.jetty.server.RequestLog - 10.0.0.54 - - [30/Sep/2022:12:21:47 +0000] "GET /metrics/ HTTP/1.1" 200 21383 "http://10.0.0.160:8080/metrics" "Prometheus/2.31.1" 2
Sep 30 12:21:49 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:49,215+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 6.243 seconds
Sep 30 12:21:51 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:51,216+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 4.243 seconds
Sep 30 12:21:53 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:53,216+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 2.243 seconds
Sep 30 12:21:55 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:55,216+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper client is disconnected. Waiting to reconnect, time remaining = 0.242 seconds
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,216+0000 [metadata-store-zk-session-watcher-7-1] ERROR org.apache.pulsar.metadata.impl.ZKSessionWatcher - ZooKeeper session reconnection timeout. Notifying session is lost.
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,216+0000 [metadata-store-zk-session-watcher-7-1] INFO  org.apache.pulsar.broker.PulsarService - Received metadata service session event: SessionLost
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,216+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.broker.PulsarService - The session with metadata service was lost. Shutting down.
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,216+0000 [metadata-store-zk-session-watcher-7-1] INFO  org.apache.pulsar.broker.PulsarService - Invoking Pulsar service immediate shutdown
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,323+0000 [metadata-store-zk-session-watcher-7-1] INFO  org.apache.zookeeper.ZooKeeper - Session: 0xcc55e0015 closed
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,324+0000 [metadata-store-zk-session-watcher-7-1] WARN  org.apache.pulsar.broker.PulsarService - Failed to close metadata service session: null
Sep 30 12:21:57 ip-10-0-0-160.us-west-2.compute.internal pulsar[21529]: 2022-09-30T12:21:57,324+0000 [metadata-store-zk-session-watcher-7-1] INFO  org.apache.pulsar.PulsarBrokerStarter - Halting broker process with code -1
```

Then I try to make the thread dump when the broker performing the `Waiting to reconnect`

```
```
"main-EventThread" apache#27 daemon prio=5 os_prio=0 cpu=126.35ms elapsed=1369.57s tid=0x00007f453d65d1a0 nid=0x1c3df waiting for monitor entry  [0x00007f429da8a000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at org.apache.pulsar.metadata.impl.ZKSessionWatcher.process(ZKSessionWatcher.java:123)
    - waiting to lock <0x0000100007c41a30> (a org.apache.pulsar.metadata.impl.ZKSessionWatcher)
    at org.apache.pulsar.metadata.impl.ZKMetadataStore.lambda$null$0(ZKMetadataStore.java:78)
    at org.apache.pulsar.metadata.impl.ZKMetadataStore$$Lambda$546/0x000000080111e888.accept(Unknown Source)
    at java.util.Optional.ifPresent([email protected]/Optional.java:178)
    at org.apache.pulsar.metadata.impl.ZKMetadataStore.lambda$new$1(ZKMetadataStore.java:78)
    at org.apache.pulsar.metadata.impl.ZKMetadataStore$$Lambda$124/0x0000000800e29478.process(Unknown Source)
    at org.apache.bookkeeper.zookeeper.ZooKeeperWatcherBase.notifyEvent(ZooKeeperWatcherBase.java:180)
    at org.apache.bookkeeper.zookeeper.ZooKeeperWatcherBase.process(ZooKeeperWatcherBase.java:146)
    at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:588)
    at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:563)

   Locked ownable synchronizers:
    - None

"metadata-store-zk-session-watcher-7-1" apache#28 prio=5 os_prio=0 cpu=36.92ms elapsed=1369.54s tid=0x00007f453d665b60 nid=0x1c3e0 waiting on condition  [0x00007f429d786000]
   java.lang.Thread.State: TIMED_WAITING (parking)
    at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
    - parking to wait for  <0x0000100029e10418> (a java.util.concurrent.CompletableFuture$Signaller)
    at java.util.concurrent.locks.LockSupport.parkNanos([email protected]/LockSupport.java:252)
    at java.util.concurrent.CompletableFuture$Signaller.block([email protected]/CompletableFuture.java:1866)
    at java.util.concurrent.ForkJoinPool.unmanagedBlock([email protected]/ForkJoinPool.java:3463)
    at java.util.concurrent.ForkJoinPool.managedBlock([email protected]/ForkJoinPool.java:3434)
    at java.util.concurrent.CompletableFuture.timedGet([email protected]/CompletableFuture.java:1939)
    at java.util.concurrent.CompletableFuture.get([email protected]/CompletableFuture.java:2095)
    at org.apache.pulsar.metadata.impl.ZKSessionWatcher.checkConnectionStatus(ZKSessionWatcher.java:107)
    - locked <0x0000100007c41a30> (a org.apache.pulsar.metadata.impl.ZKSessionWatcher)
    at org.apache.pulsar.metadata.impl.ZKSessionWatcher$$Lambda$129/0x0000000800e36598.run(Unknown Source)
    at org.apache.pulsar.common.util.Runnables$CatchingAndLoggingRunnable.run(Runnables.java:53)
    at java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:539)
    at java.util.concurrent.FutureTask.runAndReset([email protected]/FutureTask.java:305)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run([email protected]/ScheduledThreadPoolExecutor.java:305)
    at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
    at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
    at java.lang.Thread.run([email protected]/Unknown Source)
```

It's a deadlock issue happened on the broker side.

### Modification

As apache#17638, process the session event in separated thread to avoid the deadlock

### Verification

The test continues running 6 hours, I don't see the issue happens again. Without this fix, the problem will happen in 10 min during the
test.
@codelipenghui codelipenghui mentioned this pull request Sep 30, 2022
Closed
12 tasks
dragonls pushed a commit to dragonls/pulsar that referenced this pull request Oct 21, 2022
add non-persistent topic metrics (apache#28)
1e502e7 
Signed-off-by: druidliu <[email protected]>
dragonls pushed a commit to dragonls/pulsar that referenced this pull request Oct 21, 2022
add test cases (apache#28)
2163dab
@tisonkun tisonkun mentioned this pull request Nov 4, 2022
Closed
2 tasks
@ZHr-UChiHa ZHr-UChiHa mentioned this pull request Jun 3, 2023
Open
2 tasks
tisonkun pushed a commit to tisonkun/pulsar that referenced this pull request Jul 12, 2023
@reswqa
[FLINK-31048][Connector/Pulsar] Fix incorrect java doc in PulsarSourc…
fb98096 
…e and PulsarSourceBuilder.

This closes apache#28
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@rdhabalia rdhabalia rdhabalia approved these changes

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@merlimat @yahoocla @rdhabalia