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| <h1 title="Package" class="title">Package org.apache.hadoop.hbase.regionserver.compactions</h1> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a></td> |
| <td class="colLast"> |
| <div class="block">Used to track compaction execution.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a></td> |
| <td class="colLast"> |
| <div class="block">Coprocessors use this interface to get details about compaction.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequester.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequester</a></td> |
| <td class="colLast"> |
| <div class="block">Request a compaction.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.CellSinkFactory.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">Compactor.CellSinkFactory</a><S></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.InternalScannerFactory.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">Compactor.InternalScannerFactory</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/StripeCompactionPolicy.StripeInformationProvider.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">StripeCompactionPolicy.StripeInformationProvider</a></td> |
| <td class="colLast"> |
| <div class="block">The information about stripes that the policy needs to do its stuff</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/AbstractMultiOutputCompactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">AbstractMultiOutputCompactor</a><T extends <a href="../../../../../../org/apache/hadoop/hbase/regionserver/AbstractMultiFileWriter.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMultiFileWriter</a>></td> |
| <td class="colLast"> |
| <div class="block">Base class for implementing a Compactor which will generate multiple output files after |
| compaction.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CloseChecker.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CloseChecker</a></td> |
| <td class="colLast"> |
| <div class="block">Check periodically to see if a system stop is requested</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionConfiguration.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionConfiguration</a></td> |
| <td class="colLast"> |
| <div class="block"> |
| Compaction configuration for a particular instance of HStore.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionContext.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionContext</a></td> |
| <td class="colLast"> |
| <div class="block">This class holds all "physical" details necessary to run a compaction, |
| and abstracts away the details specific to a particular compaction.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">A compaction policy determines how to select files for compaction, |
| how to compact them, and how to generate the compacted files.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionProgress.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionProgress</a></td> |
| <td class="colLast"> |
| <div class="block">This class holds information relevant for tracking the progress of a |
| compaction.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequestImpl.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequestImpl</a></td> |
| <td class="colLast"> |
| <div class="block">This class holds all logical details necessary to run a compaction.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionWindow.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionWindow</a></td> |
| <td class="colLast"> |
| <div class="block">Base class for compaction window implementation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionWindowFactory.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CompactionWindowFactory</a></td> |
| <td class="colLast"> |
| <div class="block">For creating compaction window.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor</a><T extends <a href="../../../../../../org/apache/hadoop/hbase/regionserver/CellSink.html" title="interface in org.apache.hadoop.hbase.regionserver">CellSink</a>></td> |
| <td class="colLast"> |
| <div class="block">A compactor is a compaction algorithm associated a given policy.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/Compactor.FileDetails.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">Compactor.FileDetails</a></td> |
| <td class="colLast"> |
| <div class="block">The sole reason this class exists is that java has no ref/out/pointer parameters.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CurrentHourProvider.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CurrentHourProvider</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CurrentHourProvider.Tick.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">CurrentHourProvider.Tick</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/DateTieredCompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">DateTieredCompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">HBASE-15181 This is a simple implementation of date-based tiered compaction similar to |
| Cassandra's for the following benefits: |
| |
| Improve date-range-based scan by structuring store files in date-based tiered layout. |
| Reduce compaction overhead. |
| Improve TTL efficiency. |
| |
| Perfect fit for the use cases that: |
| |
| has mostly date-based data write and scan and a focus on the most recent data. |
| |
| Out-of-order writes are handled gracefully.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/DateTieredCompactionRequest.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">DateTieredCompactionRequest</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/DateTieredCompactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">DateTieredCompactor</a></td> |
| <td class="colLast"> |
| <div class="block">This compactor will generate StoreFile for different time ranges.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/DefaultCompactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">DefaultCompactor</a></td> |
| <td class="colLast"> |
| <div class="block">Compact passed set of files.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/ExploringCompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">ExploringCompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">Class to pick which files if any to compact together.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/ExponentialCompactionWindowFactory.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">ExponentialCompactionWindowFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Exponential compaction window implementation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/FIFOCompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">FIFOCompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">FIFO compaction policy selects only files which have all cells expired.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/ForbidMajorCompactionChecker.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">ForbidMajorCompactionChecker</a></td> |
| <td class="colLast"> |
| <div class="block">Check whether forbid major compaction for region.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/OffPeakHours.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">OffPeakHours</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/OffPeakHours.OffPeakHoursImpl.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">OffPeakHours.OffPeakHoursImpl</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/RatioBasedCompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">RatioBasedCompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">The default algorithm for selecting files for compaction.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/SortedCompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">SortedCompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">An abstract compaction policy that select files on seq id order.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/StripeCompactionPolicy.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">StripeCompactionPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">Stripe store implementation of compaction policy.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/StripeCompactionPolicy.BoundaryStripeCompactionRequest.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">StripeCompactionPolicy.BoundaryStripeCompactionRequest</a></td> |
| <td class="colLast"> |
| <div class="block">Request for stripe compactor that will cause it to split the source files into several |
| separate files at the provided boundaries.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/StripeCompactionPolicy.SplitStripeCompactionRequest.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">StripeCompactionPolicy.SplitStripeCompactionRequest</a></td> |
| <td class="colLast"> |
| <div class="block">Request for stripe compactor that will cause it to split the source files into several |
| separate files into based on key-value count, as well as file count limit.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/StripeCompactionPolicy.StripeCompactionRequest.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">StripeCompactionPolicy.StripeCompactionRequest</a></td> |
| <td class="colLast"> |
| <div class="block">Stripe compaction request wrapper.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/StripeCompactor.html" title="class in org.apache.hadoop.hbase.regionserver.compactions">StripeCompactor</a></td> |
| <td class="colLast"> |
| <div class="block">This is the placeholder for stripe compactor.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Enum Summary table, listing enums, and an explanation"> |
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| <tr> |
| <th class="colFirst" scope="col">Enum</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequestImpl.DisplayCompactionType.html" title="enum in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequestImpl.DisplayCompactionType</a></td> |
| <td class="colLast"> </td> |
| </tr> |
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