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HBASE-17522 Handle JVM throwing runtime exceptions when we ask for de…
…tails on heap usage the same as a correctly returned 'undefined'. Signed-off-by: Michael Stack <stack@apache.org>
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hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/FlushType.java
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/** | |||
* | |||
* Licensed to the Apache Software Foundation (ASF) under one | |||
* or more contributor license agreements. See the NOTICE file | |||
* distributed with this work for additional information | |||
* regarding copyright ownership. The ASF licenses this file | |||
* to you under the Apache License, Version 2.0 (the | |||
* "License"); you may not use this file except in compliance | |||
* with the License. You may obtain a copy of the License at | |||
* | |||
* http://www.apache.org/licenses/LICENSE-2.0 | |||
* | |||
* Unless required by applicable law or agreed to in writing, software | |||
* distributed under the License is distributed on an "AS IS" BASIS, | |||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||
* See the License for the specific language governing permissions and | |||
* limitations under the License. | |||
*/ | |||
package org.apache.hadoop.hbase.regionserver; | |||
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import org.apache.hadoop.hbase.classification.InterfaceAudience; | |||
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/** | |||
* Reasons we flush. | |||
* @see MemStoreFlusher | |||
* @see FlushRequester | |||
*/ | |||
@InterfaceAudience.Private | |||
enum FlushType { | |||
NORMAL, | |||
ABOVE_ONHEAP_LOWER_MARK, /* happens due to lower mark breach of onheap memstore settings | |||
An offheap memstore can even breach the onheap_lower_mark*/ | |||
ABOVE_ONHEAP_HIGHER_MARK,/* happens due to higher mark breach of onheap memstore settings | |||
An offheap memstore can even breach the onheap_higher_mark*/ | |||
ABOVE_OFFHEAP_LOWER_MARK,/* happens due to lower mark breach of offheap memstore settings*/ | |||
ABOVE_OFFHEAP_HIGHER_MARK;/*/* happens due to higer mark breach of offheap memstore settings*/ | |||
} |
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