From d532cb0e10cbb12ec4e1ac86022559e838e0bd73 Mon Sep 17 00:00:00 2001
From: zeekling <lingzhaohui@zeekling.cn>
Date: Mon, 21 Aug 2023 00:00:53 +0800
Subject: [PATCH 1/3] =?UTF-8?q?checkpoint=E7=9B=B8=E5=85=B3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 basic/checkpoint.md | 76 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 basic/checkpoint.md

diff --git a/basic/checkpoint.md b/basic/checkpoint.md
new file mode 100644
index 0000000..ccb149a
--- /dev/null
+++ b/basic/checkpoint.md
@@ -0,0 +1,76 @@
+
+# 常见报错
+
+## The maximum number of queued checkpoint requests exceeded 
+
+未完成的Checkpoint排队超过了1000个。需要查看作业是否存在被压等。一般情况下作业被压会导致checkpoint失败。
+
+
+## Periodic checkpoint scheduler is shut down 
+
+
+
+## The minimum time between checkpoints is still pending 
+
+
+## Not all required tasks are currently running 
+
+
+## An Exception occurred while triggering the checkpoint. 
+
+
+## Asynchronous task checkpoint failed.
+
+
+## The checkpoint was aborted due to exception of other subtasks sharing the ChannelState file 
+
+
+## Checkpoint expired before completing 
+
+
+## Checkpoint has been subsumed
+
+
+## Checkpoint was declined
+
+
+## Checkpoint was declined (tasks not ready) 
+
+
+## Checkpoint was declined (task is closing) 
+
+
+## Checkpoint was canceled because a barrier from newer checkpoint was received
+
+
+## Task received cancellation from one of its inputs 
+
+
+## Checkpoint was declined because one input stream is finished 
+
+
+## CheckpointCoordinator shutdown 
+
+
+## Checkpoint Coordinator is suspending 
+
+
+## FailoverRegion is restarting 
+
+
+## Task has failed 
+
+
+## Task local checkpoint failure 
+
+
+## Unknown task for the checkpoint to notify 
+
+
+## Failure to finalize checkpoint 
+
+
+## Trigger checkpoint failure 
+
+
+
-- 
2.45.2


From 2c717c8768d9778417ce176b034453b444a8424c Mon Sep 17 00:00:00 2001
From: zeekling <lingzhaohui@zeekling.cn>
Date: Fri, 25 Aug 2023 23:43:08 +0800
Subject: [PATCH 2/3] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E7=9B=AE=E5=BD=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 basic/README.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/basic/README.md b/basic/README.md
index d56ee3a..d8f9ad3 100644
--- a/basic/README.md
+++ b/basic/README.md
@@ -7,6 +7,7 @@
 - [slot相关](./slot相关.md)
 - [Flink基本架构](./Flink基本架构.md)
 - [旁路输出](./旁路输出.md)
-
-
+- [BlobServer](./blobServer.md)
+- [广播](./broadcast.md)
+- [Checkpoint](./checkpoint.md)
 
-- 
2.45.2


From 274f00381257692f62a501b9526c6c864849499c Mon Sep 17 00:00:00 2001
From: zeekling <lingzhaohui@zeekling.cn>
Date: Sat, 26 Aug 2023 00:11:18 +0800
Subject: [PATCH 3/3] =?UTF-8?q?checkpoint=E7=9B=B8=E5=85=B3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 basic/checkpoint.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/basic/checkpoint.md b/basic/checkpoint.md
index ccb149a..a17bb24 100644
--- a/basic/checkpoint.md
+++ b/basic/checkpoint.md
@@ -15,6 +15,9 @@
 
 ## Not all required tasks are currently running 
 
+部分算子任务已经完成，但是如果在维表join场景下，flink 1.13版本之前可能无法恢复checkpoint 
+
+
 
 ## An Exception occurred while triggering the checkpoint. 
 
-- 
2.45.2