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Add stats for metastore partition cache
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57 changes: 57 additions & 0 deletions
57
...e-metastore/src/main/java/com/facebook/presto/hive/metastore/HiveMetastoreCacheStats.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.hive.metastore; | ||
|
|
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| import com.google.common.cache.LoadingCache; | ||
| import org.weakref.jmx.Managed; | ||
|
|
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| public class HiveMetastoreCacheStats | ||
| implements MetastoreCacheStats | ||
| { | ||
| private LoadingCache<?, ?> partitionCache; | ||
|
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| @Override | ||
| public void setPartitionCache(LoadingCache<?, ?> partitionCache) | ||
| { | ||
| this.partitionCache = partitionCache; | ||
| } | ||
|
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| @Managed | ||
| @Override | ||
| public long getPartitionCacheHit() | ||
| { | ||
| return partitionCache.stats().hitCount(); | ||
| } | ||
|
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| @Managed | ||
| @Override | ||
| public long getPartitionCacheMiss() | ||
| { | ||
| return partitionCache.stats().missCount(); | ||
| } | ||
|
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| @Managed | ||
| @Override | ||
| public long getPartitionCacheEviction() | ||
| { | ||
| return partitionCache.stats().evictionCount(); | ||
| } | ||
|
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| @Managed | ||
| @Override | ||
| public long getPartitionCacheSize() | ||
| { | ||
| return partitionCache.size(); | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
...-hive-metastore/src/main/java/com/facebook/presto/hive/metastore/MetastoreCacheStats.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.hive.metastore; | ||
|
|
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| import com.google.common.cache.LoadingCache; | ||
|
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| public interface MetastoreCacheStats | ||
| { | ||
| void setPartitionCache(LoadingCache<?, ?> partitionCache); | ||
|
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| long getPartitionCacheHit(); | ||
|
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| long getPartitionCacheMiss(); | ||
|
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| long getPartitionCacheEviction(); | ||
|
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| long getPartitionCacheSize(); | ||
| } |
46 changes: 46 additions & 0 deletions
46
...e-metastore/src/main/java/com/facebook/presto/hive/metastore/NoopMetastoreCacheStats.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * Licensed 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 com.facebook.presto.hive.metastore; | ||
|
|
||
| import com.google.common.cache.LoadingCache; | ||
|
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| public class NoopMetastoreCacheStats | ||
| implements MetastoreCacheStats | ||
| { | ||
| public static final NoopMetastoreCacheStats NOOP_METASTORE_CACHE_STATS = new NoopMetastoreCacheStats(); | ||
|
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| public void setPartitionCache(LoadingCache<?, ?> partitionCache) | ||
| { | ||
| } | ||
|
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| public long getPartitionCacheHit() | ||
| { | ||
| return 0; | ||
| } | ||
|
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| public long getPartitionCacheMiss() | ||
| { | ||
| return 0; | ||
| } | ||
|
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| public long getPartitionCacheEviction() | ||
| { | ||
| return 0; | ||
| } | ||
|
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| public long getPartitionCacheSize() | ||
| { | ||
| return 0; | ||
| } | ||
| } |
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