cassandra-server

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <html lang="en"> <head>  <title>org.apache.cassandra.io.sstable (apache-cassandra API)</title> <meta name="date" content="2014-09-07"> <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript>  <div class="topNav"><a name="navbar_top">  </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../../overview-summary.html">Overview</a></li> <li class="navBarCell1Rev">Package</li> <li>Class</li> <li><a href="package-use.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../../index-all.html">Index</a></li> <li><a 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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/cassandra/io/sstable/IndexSummaryManagerMBean.html" title="interface in org.apache.cassandra.io.sstable">IndexSummaryManagerMBean</a></td> <td class="colLast"> </td> </tr> </tbody> </table> </li> <li class="blockList"> <table class="packageSummary" 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/cassandra/io/sstable/AbstractSSTableSimpleWriter.html" title="class in org.apache.cassandra.io.sstable">AbstractSSTableSimpleWriter</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/BloomFilterTracker.html" title="class in org.apache.cassandra.io.sstable">BloomFilterTracker</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/ColumnNameHelper.html" title="class in org.apache.cassandra.io.sstable">ColumnNameHelper</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/ColumnStats.html" title="class in org.apache.cassandra.io.sstable">ColumnStats</a></td> <td class="colLast"> <div class="block">ColumnStats holds information about the columns for one row inside sstable</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/Component.html" title="class in org.apache.cassandra.io.sstable">Component</a></td> <td class="colLast"> <div class="block">SSTables are made up of multiple components in separate files.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/CQLSSTableWriter.html" title="class in org.apache.cassandra.io.sstable">CQLSSTableWriter</a></td> <td class="colLast"> <div class="block">Utility to write SSTables.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/CQLSSTableWriter.Builder.html" title="class in org.apache.cassandra.io.sstable">CQLSSTableWriter.Builder</a></td> <td class="colLast"> <div class="block">A Builder for a CQLSSTableWriter object.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/Descriptor.html" title="class in org.apache.cassandra.io.sstable">Descriptor</a></td> <td class="colLast"> <div class="block">A SSTable is described by the keyspace and column family it contains data for, a generation (where higher generations contain more recent data) and an alphabetic version string.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/Descriptor.Version.html" title="class in org.apache.cassandra.io.sstable">Descriptor.Version</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/Downsampling.html" title="class in org.apache.cassandra.io.sstable">Downsampling</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexHelper.html" title="class in org.apache.cassandra.io.sstable">IndexHelper</a></td> <td class="colLast"> <div class="block">Provides helper to serialize, deserialize and use column indexes.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexHelper.IndexInfo.html" title="class in org.apache.cassandra.io.sstable">IndexHelper.IndexInfo</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexHelper.IndexInfo.Serializer.html" title="class in org.apache.cassandra.io.sstable">IndexHelper.IndexInfo.Serializer</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexSummary.html" title="class in org.apache.cassandra.io.sstable">IndexSummary</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexSummary.IndexSummarySerializer.html" title="class in org.apache.cassandra.io.sstable">IndexSummary.IndexSummarySerializer</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexSummaryBuilder.html" title="class in org.apache.cassandra.io.sstable">IndexSummaryBuilder</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/IndexSummaryManager.html" title="class in org.apache.cassandra.io.sstable">IndexSummaryManager</a></td> <td class="colLast"> <div class="block">Manages the fixed-size memory pool for index summaries, periodically resizing them in order to give more memory to hot sstables and less memory to cold sstables.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/KeyIterator.html" title="class in org.apache.cassandra.io.sstable">KeyIterator</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/ReducingKeyIterator.html" title="class in org.apache.cassandra.io.sstable">ReducingKeyIterator</a></td> <td class="colLast"> <div class="block">Caller must acquire and release references to the sstables used here.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTable.html" title="class in org.apache.cassandra.io.sstable">SSTable</a></td> <td class="colLast"> <div class="block">This class is built on top of the SequenceFile.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableDeletingTask.html" title="class in org.apache.cassandra.io.sstable">SSTableDeletingTask</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableIdentityIterator.html" title="class in org.apache.cassandra.io.sstable">SSTableIdentityIterator</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableLoader.html" title="class in org.apache.cassandra.io.sstable">SSTableLoader</a></td> <td class="colLast"> <div class="block">Cassandra SSTable bulk loader.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableLoader.Client.html" title="class in org.apache.cassandra.io.sstable">SSTableLoader.Client</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableReader.html" title="class in org.apache.cassandra.io.sstable">SSTableReader</a></td> <td class="colLast"> <div class="block">SSTableReaders are open()ed by Keyspace.onStart; after that they are created by SSTableWriter.renameAndOpen.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableReader.Operator.html" title="class in org.apache.cassandra.io.sstable">SSTableReader.Operator</a></td> <td class="colLast"> <div class="block">TODO: Move someplace reusable</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableReader.SizeComparator.html" title="class in org.apache.cassandra.io.sstable">SSTableReader.SizeComparator</a></td> <td class="colLast"> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableRewriter.html" title="class in org.apache.cassandra.io.sstable">SSTableRewriter</a></td> <td class="colLast"> <div class="block">Wraps one or more writers as output for rewriting one or more readers: every sstable_preemptive_open_interval_in_mb we look in the summary we're collecting for the latest writer for the penultimate key that we know to have been fully flushed to the index file, and then double check that the key is fully present in the flushed data file.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableScanner.html" title="class in org.apache.cassandra.io.sstable">SSTableScanner</a></td> <td class="colLast"> </td> </tr> <tr class="rowColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableSimpleUnsortedWriter.html" title="class in org.apache.cassandra.io.sstable">SSTableSimpleUnsortedWriter</a></td> <td class="colLast"> <div class="block">A SSTable writer that doesn't assume rows are in sorted order.</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><a href="../../../../../org/apache/cassandra/io/sstable/SSTableSimpleWriter.html" title="class in org.apache.cassandra.io.sstable">SSTableSimpleWriter</a></td> <td 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