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Logging about page cache warmup start and completion.
Add info log messages about page cache warmer start and completion. Also, include a number of loaded pages and duration into completion message.
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57 changes: 57 additions & 0 deletions
57
.../src/main/java/org/neo4j/kernel/impl/pagecache/monitor/PageCacheWarmerLoggingMonitor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright (c) 2002-2018 "Neo4j," | ||
| * Neo4j Sweden AB [http://neo4j.com] | ||
| * | ||
| * This file is part of Neo4j Enterprise Edition. The included source | ||
| * code can be redistributed and/or modified under the terms of the | ||
| * GNU AFFERO GENERAL PUBLIC LICENSE Version 3 | ||
| * (http://www.fsf.org/licensing/licenses/agpl-3.0.html) with the | ||
| * Commons Clause, as found in the associated LICENSE.txt file. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * Neo4j object code can be licensed independently from the source | ||
| * under separate terms from the AGPL. Inquiries can be directed to: | ||
| * licensing@neo4j.com | ||
| * | ||
| * More information is also available at: | ||
| * https://neo4j.com/licensing/ | ||
| */ | ||
| package org.neo4j.kernel.impl.pagecache.monitor; | ||
|
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| import org.neo4j.logging.Log; | ||
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| import static java.lang.System.currentTimeMillis; | ||
| import static org.neo4j.helpers.Format.duration; | ||
|
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| public class PageCacheWarmerLoggingMonitor extends PageCacheWarmerMonitorAdapter | ||
| { | ||
| private final Log log; | ||
| private long warmupStartMillis; | ||
|
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| public PageCacheWarmerLoggingMonitor( Log log ) | ||
| { | ||
| this.log = log; | ||
| } | ||
|
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| @Override | ||
| public void warmupStarted() | ||
| { | ||
| warmupStartMillis = currentTimeMillis(); | ||
| log.info( "Page cache warmup started." ); | ||
| } | ||
|
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| @Override | ||
| public void warmupCompleted( long pagesLoaded ) | ||
| { | ||
| log.info( "Page cache warmup completed. %d pages loaded. Duration: %s.", pagesLoaded, getDuration( warmupStartMillis ) ); | ||
| } | ||
|
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| private static String getDuration( long startTimeMillis ) | ||
| { | ||
| return duration( currentTimeMillis() - startTimeMillis ); | ||
| } | ||
| } |
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44 changes: 44 additions & 0 deletions
44
.../src/main/java/org/neo4j/kernel/impl/pagecache/monitor/PageCacheWarmerMonitorAdapter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Copyright (c) 2002-2018 "Neo4j," | ||
| * Neo4j Sweden AB [http://neo4j.com] | ||
| * | ||
| * This file is part of Neo4j Enterprise Edition. The included source | ||
| * code can be redistributed and/or modified under the terms of the | ||
| * GNU AFFERO GENERAL PUBLIC LICENSE Version 3 | ||
| * (http://www.fsf.org/licensing/licenses/agpl-3.0.html) with the | ||
| * Commons Clause, as found in the associated LICENSE.txt file. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * Neo4j object code can be licensed independently from the source | ||
| * under separate terms from the AGPL. Inquiries can be directed to: | ||
| * licensing@neo4j.com | ||
| * | ||
| * More information is also available at: | ||
| * https://neo4j.com/licensing/ | ||
| */ | ||
| package org.neo4j.kernel.impl.pagecache.monitor; | ||
|
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| public class PageCacheWarmerMonitorAdapter implements PageCacheWarmerMonitor | ||
| { | ||
| @Override | ||
| public void warmupStarted() | ||
| { | ||
| //nothing | ||
| } | ||
|
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| @Override | ||
| public void warmupCompleted( long pagesLoaded ) | ||
| { | ||
| //nothing | ||
| } | ||
|
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| @Override | ||
| public void profileCompleted( long pagesInMemory ) | ||
| { | ||
| //nothing | ||
| } | ||
| } |
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