44 lines
1.4 KiB
Markdown
44 lines
1.4 KiB
Markdown
---
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{
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"title": "SHOW FRONTENDS",
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"language": "en"
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}
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---
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<!--
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Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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# SHOW FRONTENDS
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## Description
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This statement is used to view FE nodes
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Grammar:
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SHOW FRONTENDS;
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Explain:
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1. name denotes the name of the FE node in bdbje.
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2. Join is true to indicate that the node has joined the cluster. But it doesn't mean that it's still in the cluster (it may be out of touch)
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3. Alive indicates whether the node survives.
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4. Replayed Journal Id represents the maximum metadata log ID that the node has currently replayed.
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5. LastHeartbeat is the latest heartbeat.
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6. IsHelper indicates whether the node is a helper node in bdbje.
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7. ErrMsg is used to display error messages when the heartbeat fails.
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## keyword
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SHOW, FRONTENDS
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