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+<dl> +<dt>All Implemented Interfaces:</dt> +<dd><a href="../../../../../org/apache/hadoop/hbase/io/HeapSize.html" title="interface in org.apache.hadoop.hbase.io">HeapSize</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></dd> +</dl> +<dl> +<dt>Direct Known Subclasses:</dt> +<dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/DefaultMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">DefaultMemStore</a></dd> +</dl> +<hr> +<br> +<pre><a href="../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.Private.html" title="annotation in org.apache.hadoop.hbase.classification">@InterfaceAudience.Private</a> +public abstract class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.46">AbstractMemStore</a> +extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a> +implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></pre> +<div class="block">An abstract class, which implements the behaviour shared by all concrete memstore instances.</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field_summary"> +<!-- --> +</a> +<h3>Field Summary</h3> +<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> +<caption><span>Fields</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Field and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#active">active</a></strong></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="class in org.apache.hadoop.hbase">CellComparator</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#comparator">comparator</a></strong></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#conf">conf</a></strong></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#DEEP_OVERHEAD">DEEP_OVERHEAD</a></strong></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>static long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#FIXED_OVERHEAD">FIXED_OVERHEAD</a></strong></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private static long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#NO_SNAPSHOT_ID">NO_SNAPSHOT_ID</a></strong></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/ImmutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">ImmutableSegment</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#snapshot">snapshot</a></strong></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#snapshotId">snapshotId</a></strong></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>private long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#timeOfOldestEdit">timeOfOldestEdit</a></strong></code> </td> +</tr> +</table> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor_summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier</th> +<th class="colLast" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected </code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#AbstractMemStore(org.apache.hadoop.conf.Configuration,%20org.apache.hadoop.hbase.CellComparator)">AbstractMemStore</a></strong>(org.apache.hadoop.conf.Configuration conf, + <a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="class in org.apache.hadoop.hbase">CellComparator</a> c)</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method_summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span>Methods</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#add(org.apache.hadoop.hbase.Cell)">add</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</code> +<div class="block">Write an update</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected abstract void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#checkActiveSize()">checkActiveSize</a></strong>()</code> +<div class="block">Check whether anything need to be done based on the current active set size</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#clearSnapshot(long)">clearSnapshot</a></strong>(long id)</code> +<div class="block">The passed snapshot was successfully persisted; it can be let go.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#delete(org.apache.hadoop.hbase.Cell)">delete</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> deleteCell)</code> +<div class="block">Write a delete</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#dump(org.apache.commons.logging.Log)">dump</a></strong>(org.apache.commons.logging.Log log)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/MutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">MutableSegment</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getActive()">getActive</a></strong>()</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getActiveSize()">getActiveSize</a></strong>()</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="class in org.apache.hadoop.hbase">CellComparator</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getComparator()">getComparator</a></strong>()</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected org.apache.hadoop.conf.Configuration</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getConfiguration()">getConfiguration</a></strong>()</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getFlushableSize()">getFlushableSize</a></strong>()</code> +<div class="block">On flush, how much memory we will clear from the active cell set.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected abstract <a href="http://docs.oracle.com/javase/7/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/SegmentScanner.html" title="class in org.apache.hadoop.hbase.regionserver">SegmentScanner</a>></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getListOfScanners(long)">getListOfScanners</a></strong>(long readPt)</code> +<div class="block">Returns a list of Store segment scanners, one per each store segment</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected abstract <a href="http://docs.oracle.com/javase/7/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/Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getListOfSegments()">getListOfSegments</a></strong>()</code> +<div class="block">Returns an ordered list of segments from most recent to oldest in memstore</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getLowest(org.apache.hadoop.hbase.Cell,%20org.apache.hadoop.hbase.Cell)">getLowest</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> a, + <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> b)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getNextRow(org.apache.hadoop.hbase.Cell,%20java.util.NavigableSet)">getNextRow</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> key, + <a href="http://docs.oracle.com/javase/7/docs/api/java/util/NavigableSet.html?is-external=true"; title="class or interface in java.util">NavigableSet</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> set)</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/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><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getScanners(long)">getScanners</a></strong>(long readPt)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/ImmutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">ImmutableSegment</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getSnapshot()">getSnapshot</a></strong>()</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#getSnapshotSize()">getSnapshotSize</a></strong>()</code> +<div class="block">Return the size of the snapshot(s) if any</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#heapSize()">heapSize</a></strong>()</code> +<div class="block">Get the entire heap usage for this MemStore not including keys in the + snapshot.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>(package private) static long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#heapSizeChange(org.apache.hadoop.hbase.Cell,%20boolean)">heapSizeChange</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, + boolean notPresent)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#internalAdd(org.apache.hadoop.hbase.Cell)">internalAdd</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> toAdd)</code> +<div class="block">Internal version of add() that doesn't clone Cells with the + allocator, and doesn't take the lock.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#keySize()">keySize</a></strong>()</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#maybeCloneWithAllocator(org.apache.hadoop.hbase.Cell)">maybeCloneWithAllocator</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#resetCellSet()">resetCellSet</a></strong>()</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#rollbackInActive(org.apache.hadoop.hbase.Cell)">rollbackInActive</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#rollbackInSnapshot(org.apache.hadoop.hbase.Cell)">rollbackInSnapshot</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#setOldestEditTimeToNow()">setOldestEditTimeToNow</a></strong>()</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html" title="class in org.apache.hadoop.hbase.regionserver">AbstractMemStore</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#setSnapshot(org.apache.hadoop.hbase.regionserver.ImmutableSegment)">setSnapshot</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/ImmutableSegment.html" title="class in org.apache.hadoop.hbase.regionserver">ImmutableSegment</a> snapshot)</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#setSnapshotSize(long)">setSnapshotSize</a></strong>(long snapshotSize)</code> </td> +</tr> +<tr class="altColor"> +<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><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#snapshot()">snapshot</a></strong>()</code> +<div class="block">An override on snapshot so the no arg version of the method implies zero seq num, + like for cases without wal</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#timeOfOldestEdit()">timeOfOldestEdit</a></strong>()</code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a></code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#toString()">toString</a></strong>()</code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#updateColumnValue(byte[],%20byte[],%20byte[],%20long,%20long)">updateColumnValue</a></strong>(byte[] row, + byte[] family, + byte[] qualifier, + long newValue, + long now)</code> +<div class="block">Given the specs of a column, update it, first by inserting a new record, + then removing the old one.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>abstract void</code></td> +<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#updateLowestUnflushedSequenceIdInWal(boolean)">updateLowestUnflushedSequenceIdInWal</a></strong>(boolean onlyIfMoreRecent)</code> +<div class="block">Updates the wal with the lowest sequence id (oldest entry) that is still in memory</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>private long</code></td> +<td class="colLast"><code><strong><a 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href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> cells, + long readpoint)</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 Cells. + <p> + This is called under row lock, so Get operations will still see updates + atomically. Scans will only see each Cell update as atomic.</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#upsert(java.lang.Iterable,%20long)">upsert</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></code></dd> +<dt><span class="strong">Parameters:</span></dt><dd><code>cells</code> - the cells to be updated</dd><dd><code>readpoint</code> - readpoint below which we can safely remove duplicate KVs</dd> +<dt><span class="strong">Returns:</span></dt><dd>change in memstore size</dd></dl> +</li> +</ul> +<a name="timeOfOldestEdit()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>timeOfOldestEdit</h4> +<pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.148">timeOfOldestEdit</a>()</pre> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#timeOfOldestEdit()">timeOfOldestEdit</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></code></dd> +<dt><span class="strong">Returns:</span></dt><dd>Oldest timestamp of all the Cells in the MemStore</dd></dl> +</li> +</ul> +<a name="delete(org.apache.hadoop.hbase.Cell)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>delete</h4> +<pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.159">delete</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> deleteCell)</pre> +<div class="block">Write a delete</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#delete(org.apache.hadoop.hbase.Cell)">delete</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></code></dd> +<dt><span class="strong">Parameters:</span></dt><dd><code>deleteCell</code> - the cell to be deleted</dd> +<dt><span class="strong">Returns:</span></dt><dd>approximate size of the passed key and value.</dd></dl> +</li> +</ul> +<a name="snapshot()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>snapshot</h4> +<pre>public <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/AbstractMemStore.html#line.169">snapshot</a>()</pre> +<div class="block">An override on snapshot so the no arg version of the method implies zero seq num, + like for cases without wal</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#snapshot()">snapshot</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></code></dd> +<dt><span class="strong">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>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.179">clearSnapshot</a>(long id) + throws <a href="../../../../../org/apache/hadoop/hbase/regionserver/UnexpectedStateException.html" title="class in org.apache.hadoop.hbase.regionserver">UnexpectedStateException</a></pre> +<div class="block">The passed snapshot was successfully persisted; 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title="class or interface in java.io">IOException</a></code></dd></dl> +</li> +</ul> +<a name="getSnapshotSize()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getSnapshotSize</h4> +<pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.225">getSnapshotSize</a>()</pre> +<div class="block"><strong>Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#getSnapshotSize()">MemStore</a></code></strong></div> +<div class="block">Return the size of the snapshot(s) if any</div> +<dl> +<dt><strong>Specified by:</strong></dt> +<dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html#getSnapshotSize()">getSnapshotSize</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/MemStore.html" title="interface in org.apache.hadoop.hbase.regionserver">MemStore</a></code></dd> +<dt><span class="strong">Returns:</span></dt><dd>size of the memstore snapshot</dd></dl> +</li> +</ul> +<a name="toString()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>toString</h4> +<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true"; title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.230">toString</a>()</pre> +<dl> +<dt><strong>Overrides:</strong></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code> in class <code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true"; title="class or interface in java.lang">Object</a></code></dd> +</dl> +</li> +</ul> +<a name="rollbackInSnapshot(org.apache.hadoop.hbase.Cell)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>rollbackInSnapshot</h4> +<pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.244">rollbackInSnapshot</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</pre> +</li> +</ul> +<a name="rollbackInActive(org.apache.hadoop.hbase.Cell)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>rollbackInActive</h4> +<pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.253">rollbackInActive</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</pre> +</li> +</ul> +<a name="getConfiguration()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getConfiguration</h4> +<pre>protected org.apache.hadoop.conf.Configuration <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.261">getConfiguration</a>()</pre> +</li> +</ul> +<a name="dump(org.apache.commons.logging.Log)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>dump</h4> +<pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.265">dump</a>(org.apache.commons.logging.Log log)</pre> +</li> +</ul> +<a name="upsert(org.apache.hadoop.hbase.Cell, long)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>upsert</h4> +<pre>private long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.286">upsert</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, + long readpoint)</pre> +<div class="block">Inserts the specified Cell into MemStore and deletes any existing + versions of the same row/family/qualifier as the specified Cell. + <p> + First, the specified Cell is inserted into the Memstore. + <p> + If there are any existing Cell in this MemStore with the same row, + family, and qualifier, they are removed. + <p> + Callers must hold the read lock.</div> +<dl><dt><span class="strong">Parameters:</span></dt><dd><code>cell</code> - the cell to be updated</dd><dd><code>readpoint</code> - readpoint below which we can safely remove duplicate KVs</dd> +<dt><span class="strong">Returns:</span></dt><dd>change in size of MemStore</dd></dl> +</li> +</ul> +<a name="getLowest(org.apache.hadoop.hbase.Cell, org.apache.hadoop.hbase.Cell)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getLowest</h4> +<pre>protected <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.344">getLowest</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> a, + <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> b)</pre> +</li> +</ul> +<a name="getNextRow(org.apache.hadoop.hbase.Cell, java.util.NavigableSet)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getNextRow</h4> +<pre>protected <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.360">getNextRow</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> key, + <a href="http://docs.oracle.com/javase/7/docs/api/java/util/NavigableSet.html?is-external=true"; title="class or interface in java.util">NavigableSet</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> set)</pre> +</li> +</ul> +<a name="updateColumnValue(byte[], byte[], byte[], long, long)"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>updateColumnValue</h4> +<pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.387">updateColumnValue</a>(byte[] row, + byte[] family, + byte[] qualifier, + long newValue, + long now)</pre> +<div class="block">Given the specs of a column, update it, first by inserting a new record, + then removing the old one. 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number required to initialize the scanners</dd> +<dt><span class="strong">Returns:</span></dt><dd>a list of Store segment scanners, one per each store segment</dd> +<dt><span class="strong">Throws:</span></dt> +<dd><code><a href="http://docs.oracle.com/javase/7/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="getListOfSegments()"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getListOfSegments</h4> +<pre>protected abstract <a href="http://docs.oracle.com/javase/7/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/Segment.html" title="class in org.apache.hadoop.hbase.regionserver">Segment</a>> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/AbstractMemStore.html#line.492">getListOfSegments</a>() + throws <a 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