提交 c88d6c8e 编写于 作者: L Lisa Owen 提交者: David Yozie

Docs: minor resource group doc updates (#3566)

上级 f6fbfb09
......@@ -529,14 +529,16 @@ gpstart
</topic>
<topic id="topic27" xml:lang="en">
<title id="iz153732">Canceling a Queued Transaction in a Resource Group</title>
<title id="iz153732">Cancelling a Running or Queued Transaction in a Resource Group</title>
<body>
<p>There may be cases when you want to cancel a queued transaction in a resource group. For
<p>There may be cases when you want to cancel a running or queued transaction in a
resource group. For
example, you may want to remove a query that is waiting in the resource group queue but
has not yet been executed. Or, you may want to stop a running query that is taking too
long to execute, or one that is sitting idle in a transaction and taking up resource group
transaction slots that are needed by other users.</p>
<p>To cancel a queued transaction, you must first determine the process id (pid) associated
<p>To cancel a running or queued transaction, you must first determine the process
id (pid) associated
with the transaction. Once you have obtained the process id, you can invoke
<codeph>pg_cancel_backend()</codeph> to end that process, as shown below.</p>
<p>For example, to view the process information associated with all statements currently
......
......@@ -23,7 +23,7 @@ MEMORY_LIMIT=<varname>integer</varname>
and CPU limits for the role when resource groups are enabled.</p>
<p>You must have <codeph>SUPERUSER</codeph> privileges to create a resource group. The maximum number of resource groups allowed in your Greenplum Database cluster is 100.</p>
<p>Greenplum Database pre-defines two default resource groups: <codeph>admin_group</codeph>
and <codeph>default_group</codeph>. These group names are reserved.</p>
and <codeph>default_group</codeph>. These group names, as well as the group name <codeph>none</codeph>, are reserved.</p>
<p>
To set appropriate limits for resource groups, the Greenplum Database administrator must
be familiar with the queries typically executed on the system, as well as the users/roles executing those queries.</p>
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册