jetbrains.exodus.gc.CleanEntireLogJob.kt Maven / Gradle / Ivy
/**
* Copyright 2010 - 2022 JetBrains s.r.o.
*
* 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
*
* https://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 jetbrains.exodus.gc
import jetbrains.exodus.core.execution.LatchJob
import mu.KLogging
internal class CleanEntireLogJob(private val gc: GarbageCollector) : LatchJob() {
override fun execute() {
logger.info { "CleanEntireLogJob started" }
try {
val log = gc.log
var lastNumberOfFiles = java.lang.Long.MAX_VALUE
// repeat cleaning until number of files stops decreasing
while (true) {
val numberOfFiles = log.numberOfFiles
if (numberOfFiles == 1L || numberOfFiles >= lastNumberOfFiles) break
lastNumberOfFiles = numberOfFiles
val highFileAddress = log.highFileAddress
var fileAddress = log.lowAddress
while (fileAddress != highFileAddress) {
gc.doCleanFile(fileAddress)
fileAddress = log.getNextFileAddress(fileAddress)
}
gc.testDeletePendingFiles()
}
} finally {
release()
logger.info { "CleanEntireLogJob finished" }
}
}
companion object : KLogging()
}