HBASE-7875 introduce a compaction switch in HBase Shell (Liang Xie)
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1505060 13f79535-47bb-0310-9956-ffa450edef68
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@ -124,6 +124,16 @@ public class HTableDescriptor implements WritableComparable<HTableDescriptor> {
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private static final ImmutableBytesWritable READONLY_KEY =
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new ImmutableBytesWritable(Bytes.toBytes(READONLY));
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/**
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* <em>INTERNAL</em> Used by HBase Shell interface to access this metadata
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* attribute which denotes if the table is compaction enabled
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*
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* @see #isCompactionEnabled()
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*/
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public static final String COMPACTION_ENABLED = "COMPACTION_ENABLED";
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private static final ImmutableBytesWritable COMPACTION_ENABLED_KEY =
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new ImmutableBytesWritable(Bytes.toBytes(COMPACTION_ENABLED));
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/**
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* <em>INTERNAL</em> Used by HBase Shell interface to access this metadata
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* attribute which represents the maximum size of the memstore after which
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@ -195,6 +205,11 @@ public class HTableDescriptor implements WritableComparable<HTableDescriptor> {
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*/
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public static final boolean DEFAULT_READONLY = false;
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/**
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* Constant that denotes whether the table is compaction enabled by default
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*/
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public static final boolean DEFAULT_COMPACTION_ENABLED = true;
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/**
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* Constant that denotes the maximum default size of the memstore after which
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* the contents are flushed to the store files
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@ -611,6 +626,25 @@ public class HTableDescriptor implements WritableComparable<HTableDescriptor> {
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setValue(READONLY_KEY, readOnly? TRUE: FALSE);
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}
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/**
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* Check if the compaction enable flag of the table is true. If flag is
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* false then no minor/major compactions will be done in real.
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*
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* @return true if table compaction enabled
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*/
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public boolean isCompactionEnabled() {
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return isSomething(COMPACTION_ENABLED_KEY, DEFAULT_COMPACTION_ENABLED);
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}
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/**
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* Setting the table compaction enable flag.
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*
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* @param isEnable True if enable compaction.
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*/
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public void setCompactionEnabled(final boolean isEnable) {
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setValue(COMPACTION_ENABLED_KEY, isEnable ? TRUE : FALSE);
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}
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/**
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* Check if deferred log edits are enabled on the table.
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*
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@ -297,7 +297,8 @@ public class CompactSplitThread implements CompactionRequestor {
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private synchronized CompactionRequest requestCompactionInternal(final HRegion r, final Store s,
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final String why, int priority, CompactionRequest request, boolean selectNow)
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throws IOException {
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if (this.server.isStopped()) {
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if (this.server.isStopped()
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|| (r.getTableDesc() != null && !r.getTableDesc().isCompactionEnabled())) {
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return null;
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}
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@ -418,7 +419,8 @@ public class CompactSplitThread implements CompactionRequestor {
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@Override
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public void run() {
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Preconditions.checkNotNull(server);
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if (server.isStopped()) {
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if (server.isStopped()
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|| (region.getTableDesc() != null && !region.getTableDesc().isCompactionEnabled())) {
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return;
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}
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// Common case - system compaction without a file selection. Select now.
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@ -259,6 +259,7 @@ module Hbase
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htd.setOwnerString(arg.delete(OWNER)) if arg[OWNER]
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htd.setMaxFileSize(JLong.valueOf(arg.delete(MAX_FILESIZE))) if arg[MAX_FILESIZE]
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htd.setReadOnly(JBoolean.valueOf(arg.delete(READONLY))) if arg[READONLY]
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htd.setCompactionEnabled(JBoolean.valueOf(arg[COMPACTION_ENABLED])) if arg[COMPACTION_ENABLED]
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htd.setMemStoreFlushSize(JLong.valueOf(arg.delete(MEMSTORE_FLUSHSIZE))) if arg[MEMSTORE_FLUSHSIZE]
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htd.setDeferredLogFlush(JBoolean.valueOf(arg.delete(DEFERRED_LOG_FLUSH))) if arg[DEFERRED_LOG_FLUSH]
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htd.setDurability(org.apache.hadoop.hbase.client.Durability.valueOf(arg.delete(DURABILITY))) if arg[DURABILITY]
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@ -468,6 +469,7 @@ module Hbase
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htd.setOwnerString(arg.delete(OWNER)) if arg[OWNER]
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htd.setMaxFileSize(JLong.valueOf(arg.delete(MAX_FILESIZE))) if arg[MAX_FILESIZE]
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htd.setReadOnly(JBoolean.valueOf(arg.delete(READONLY))) if arg[READONLY]
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htd.setCompactionEnabled(JBoolean.valueOf(arg[COMPACTION_ENABLED])) if arg[COMPACTION_ENABLED]
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htd.setMemStoreFlushSize(JLong.valueOf(arg.delete(MEMSTORE_FLUSHSIZE))) if arg[MEMSTORE_FLUSHSIZE]
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htd.setDeferredLogFlush(JBoolean.valueOf(arg.delete(DEFERRED_LOG_FLUSH))) if arg[DEFERRED_LOG_FLUSH]
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htd.setDurability(org.apache.hadoop.hbase.client.Durability.valueOf(arg.delete(DURABILITY))) if arg[DURABILITY]
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