HBASE-18994 Decide if META/System tables should use Compacting Memstore or
Default Memstore (Ram)
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@ -264,24 +264,30 @@ public class HStore implements Store, HeapSize, StoreConfigInformation, Propagat
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// Why not just pass a HColumnDescriptor in here altogether? Even if have
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// to clone it?
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scanInfo = new ScanInfo(conf, family, ttl, timeToPurgeDeletes, this.comparator);
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MemoryCompactionPolicy inMemoryCompaction = family.getInMemoryCompaction();
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if(inMemoryCompaction == null) {
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inMemoryCompaction = MemoryCompactionPolicy.valueOf(
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conf.get(CompactingMemStore.COMPACTING_MEMSTORE_TYPE_KEY,
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CompactingMemStore.COMPACTING_MEMSTORE_TYPE_DEFAULT));
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MemoryCompactionPolicy inMemoryCompaction = null;
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if (this.getTableName().isSystemTable()) {
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inMemoryCompaction = MemoryCompactionPolicy
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.valueOf(conf.get("hbase.systemtables.compacting.memstore.type", "NONE"));
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} else {
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inMemoryCompaction = family.getInMemoryCompaction();
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}
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if (inMemoryCompaction == null) {
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inMemoryCompaction =
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MemoryCompactionPolicy.valueOf(conf.get(CompactingMemStore.COMPACTING_MEMSTORE_TYPE_KEY,
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CompactingMemStore.COMPACTING_MEMSTORE_TYPE_DEFAULT));
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}
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String className;
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switch (inMemoryCompaction) {
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case BASIC :
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case EAGER :
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Class<? extends CompactingMemStore> clz = conf.getClass(MEMSTORE_CLASS_NAME,
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CompactingMemStore.class, CompactingMemStore.class);
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className = clz.getName();
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this.memstore = ReflectionUtils.newInstance(clz, new Object[] { conf, this.comparator, this,
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this.getHRegion().getRegionServicesForStores(), inMemoryCompaction});
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break;
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case NONE :
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default:
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case BASIC:
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case EAGER:
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Class<? extends CompactingMemStore> clz =
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conf.getClass(MEMSTORE_CLASS_NAME, CompactingMemStore.class, CompactingMemStore.class);
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className = clz.getName();
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this.memstore = ReflectionUtils.newInstance(clz, new Object[] { conf, this.comparator, this,
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this.getHRegion().getRegionServicesForStores(), inMemoryCompaction });
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break;
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case NONE:
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default:
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className = DefaultMemStore.class.getName();
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this.memstore = ReflectionUtils.newInstance(DefaultMemStore.class,
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new Object[] { conf, this.comparator });
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