| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="en"> |
| <head> |
| <!-- Generated by javadoc --> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>MemStore (Apache HBase 3.0.0-alpha-2-SNAPSHOT API)</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> |
| <script type="text/javascript" src="../../../../../script.js"></script> |
| </head> |
| <body> |
| <script type="text/javascript"><!-- |
| try { |
| if (location.href.indexOf('is-external=true') == -1) { |
| parent.document.title="MemStore (Apache HBase 3.0.0-alpha-2-SNAPSHOT API)"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":6,"i1":6,"i2":6,"i3":6,"i4":6,"i5":6,"i6":6,"i7":6,"i8":6,"i9":6,"i10":18,"i11":18,"i12":6,"i13":6}; |
| var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"],16:["t5","Default Methods"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>JavaScript is disabled on your browser.</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="class-use/MemStore.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 href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MasterFifoRpcSchedulerFactory.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactionStrategy.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/hadoop/hbase/regionserver/MemStore.html" target="_top">Frames</a></li> |
| <li><a href="MemStore.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_top"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.top"> |
| <!-- --> |
| </a></div> |
| <!-- ========= END OF TOP NAVBAR ========= --> |
| <!-- ======== START OF CLASS DATA ======== --> |
| <div class="header"> |
| <div class="subTitle">org.apache.hadoop.hbase.regionserver</div> |
| <h2 title="Interface MemStore" class="title">Interface MemStore</h2> |
| </div> |
| <div class="contentContainer"> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/CompactingMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">CompactingMemStore</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/DefaultMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">DefaultMemStore</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Private |
| public interface <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.35">MemStore</a></pre> |
| <div class="block">The MemStore holds in-memory modifications to the Store. Modifications are <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase"><code>Cell</code></a>s. |
| <p> |
| The MemStore functions should not be called in parallel. Callers should hold write and read |
| locks. This is done in <a href="../../../../../org/apache/hadoop/hbase/regionserver/HStore.html" title="class in org.apache.hadoop.hbase.regionserver"><code>HStore</code></a>. |
| </p></div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#add-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.regionserver.MemStoreSizing-">add</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</code> |
| <div class="block">Write an update</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#add-java.lang.Iterable-org.apache.hadoop.hbase.regionserver.MemStoreSizing-">add</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> cells, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</code> |
| <div class="block">Write the updates</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#clearSnapshot-long-">clearSnapshot</a></span>(long id)</code> |
| <div class="block">Clears the current snapshot of the Memstore.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#getFlushableSize--">getFlushableSize</a></span>()</code> |
| <div class="block">Flush will first clear out the data in snapshot if any (It will take a second flush |
| invocation to clear the current Cell set).</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#getScanners-long-">getScanners</a></span>(long readPt)</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#getSnapshotSize--">getSnapshotSize</a></span>()</code> |
| <div class="block">Return the size of the snapshot(s) if any</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#isSloppy--">isSloppy</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#preFlushSeqIDEstimation--">preFlushSeqIDEstimation</a></span>()</code> |
| <div class="block">This method is called before the flush is executed.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#size--">size</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSnapshot</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#snapshot--">snapshot</a></span>()</code> |
| <div class="block">Creates a snapshot of the current memstore.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#startReplayingFromWAL--">startReplayingFromWAL</a></span>()</code> |
| <div class="block">This message intends to inform the MemStore that next coming updates |
| are going to be part of the replaying edits from WAL</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#stopReplayingFromWAL--">stopReplayingFromWAL</a></span>()</code> |
| <div class="block">This message intends to inform the MemStore that the replaying edits from WAL |
| are done</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#timeOfOldestEdit--">timeOfOldestEdit</a></span>()</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#upsert-java.lang.Iterable-long-org.apache.hadoop.hbase.regionserver.MemStoreSizing-">upsert</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> cells, |
| long readpoint, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</code> |
| <div class="block">Update or insert the specified cells.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="snapshot--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>snapshot</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSnapshot</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.42">snapshot</a>()</pre> |
| <div class="block">Creates a snapshot of the current memstore. Snapshot must be cleared by call to |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#clearSnapshot-long-"><code>clearSnapshot(long)</code></a>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSnapshot.html" title="class in org.apache.hadoop.hbase.regionserver"><code>MemStoreSnapshot</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="clearSnapshot-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clearSnapshot</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.50">clearSnapshot</a>(long id) |
| throws <a href="../../../../../org/apache/hadoop/hbase/exceptions/UnexpectedStateException.html" title="class in org.apache.hadoop.hbase.exceptions">UnexpectedStateException</a></pre> |
| <div class="block">Clears the current snapshot of the Memstore.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>id</code> - </dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/exceptions/UnexpectedStateException.html" title="class in org.apache.hadoop.hbase.exceptions">UnexpectedStateException</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#snapshot--"><code>snapshot()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFlushableSize--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFlushableSize</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.59">getFlushableSize</a>()</pre> |
| <div class="block">Flush will first clear out the data in snapshot if any (It will take a second flush |
| invocation to clear the current Cell set). If snapshot is empty, current |
| Cell set will be flushed.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>On flush, how much memory we will clear.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSnapshotSize--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getSnapshotSize</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.65">getSnapshotSize</a>()</pre> |
| <div class="block">Return the size of the snapshot(s) if any</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>size of the memstore snapshot</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="add-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.regionserver.MemStoreSizing-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>add</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.73">add</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</pre> |
| <div class="block">Write an update</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cell</code> - </dd> |
| <dd><code>memstoreSizing</code> - The delta in memstore size will be passed back via this. |
| This will include both data size and heap overhead delta.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="add-java.lang.Iterable-org.apache.hadoop.hbase.regionserver.MemStoreSizing-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>add</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.81">add</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> cells, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</pre> |
| <div class="block">Write the updates</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cells</code> - </dd> |
| <dd><code>memstoreSizing</code> - The delta in memstore size will be passed back via this. |
| This will include both data size and heap overhead delta.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="timeOfOldestEdit--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>timeOfOldestEdit</h4> |
| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.86">timeOfOldestEdit</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Oldest timestamp of all the Cells in the MemStore</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="upsert-java.lang.Iterable-long-org.apache.hadoop.hbase.regionserver.MemStoreSizing-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>upsert</h4> |
| <pre>void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.104">upsert</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> cells, |
| long readpoint, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSizing.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStoreSizing</a> memstoreSizing)</pre> |
| <div class="block">Update or insert the specified cells. |
| <p> |
| For each Cell, insert into MemStore. This will atomically upsert the value for that |
| row/family/qualifier. If a Cell did already exist, it will then be removed. |
| <p> |
| Currently the memstoreTS is kept at 0 so as each insert happens, it will be immediately |
| visible. May want to change this so it is atomic across all KeyValues. |
| <p> |
| This is called under row lock, so Get operations will still see updates atomically. Scans will |
| only see each KeyValue update as atomic.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cells</code> - </dd> |
| <dd><code>readpoint</code> - readpoint below which we can safely remove duplicate Cells.</dd> |
| <dd><code>memstoreSizing</code> - The delta in memstore size will be passed back via this. |
| This will include both data size and heap overhead delta.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getScanners-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getScanners</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.110">getScanners</a>(long readPt) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>scanner over the memstore. This might include scanner over the snapshot when one is |
| present.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="size--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>size</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreSize.html" title="class in org.apache.hadoop.hbase.regionserver">MemStoreSize</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.118">size</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Total memory occupied by this MemStore. This won't include any size occupied by the |
| snapshot. We assume the snapshot will get cleared soon. This is not thread safe and |
| the memstore may be changed while computing its size. It is the responsibility of the |
| caller to make sure this doesn't happen.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preFlushSeqIDEstimation--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>preFlushSeqIDEstimation</h4> |
| <pre>long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.125">preFlushSeqIDEstimation</a>()</pre> |
| <div class="block">This method is called before the flush is executed.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an estimation (lower bound) of the unflushed sequence id in memstore after the flush |
| is executed. if memstore will be cleared returns <code>HConstants.NO_SEQNUM</code>.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isSloppy--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isSloppy</h4> |
| <pre>boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.128">isSloppy</a>()</pre> |
| </li> |
| </ul> |
| <a name="startReplayingFromWAL--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>startReplayingFromWAL</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.134">startReplayingFromWAL</a>()</pre> |
| <div class="block">This message intends to inform the MemStore that next coming updates |
| are going to be part of the replaying edits from WAL</div> |
| </li> |
| </ul> |
| <a name="stopReplayingFromWAL--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>stopReplayingFromWAL</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/MemStore.html#line.140">stopReplayingFromWAL</a>()</pre> |
| <div class="block">This message intends to inform the MemStore that the replaying edits from WAL |
| are done</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
| <!-- ========= END OF CLASS DATA ========= --> |
| <!-- ======= START OF BOTTOM NAVBAR ====== --> |
| <div class="bottomNav"><a name="navbar.bottom"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="Navigation"> |
| <li><a href="../../../../../overview-summary.html">Overview</a></li> |
| <li><a href="package-summary.html">Package</a></li> |
| <li class="navBarCell1Rev">Class</li> |
| <li><a href="class-use/MemStore.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 href="../../../../../help-doc.html">Help</a></li> |
| </ul> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MasterFifoRpcSchedulerFactory.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Prev Class</span></a></li> |
| <li><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStoreCompactionStrategy.html" title="class in org.apache.hadoop.hbase.regionserver"><span class="typeNameLink">Next Class</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../../index.html?org/apache/hadoop/hbase/regionserver/MemStore.html" target="_top">Frames</a></li> |
| <li><a href="MemStore.html" target="_top">No Frames</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../../allclasses-noframe.html">All Classes</a></li> |
| </ul> |
| <div> |
| <script type="text/javascript"><!-- |
| allClassesLink = document.getElementById("allclasses_navbar_bottom"); |
| if(window==top) { |
| allClassesLink.style.display = "block"; |
| } |
| else { |
| allClassesLink.style.display = "none"; |
| } |
| //--> |
| </script> |
| </div> |
| <div> |
| <ul class="subNavList"> |
| <li>Summary: </li> |
| <li>Nested | </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.summary">Method</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>Detail: </li> |
| <li>Field | </li> |
| <li>Constr | </li> |
| <li><a href="#method.detail">Method</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| <p class="legalCopy"><small>Copyright © 2007–2021 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> |
| </body> |
| </html> |
