http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6eb695c8/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html
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diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html
index ecf500c..0cd5a4e 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.PrepareFlushResult.html
@@ -238,8355 +238,8368 @@
 <span class="sourceLineNo">230</span>  public static final String 
HBASE_MAX_CELL_SIZE_KEY = "hbase.server.keyvalue.maxsize";<a 
name="line.230"></a>
 <span class="sourceLineNo">231</span>  public static final int 
DEFAULT_MAX_CELL_SIZE = 10485760;<a name="line.231"></a>
 <span class="sourceLineNo">232</span><a name="line.232"></a>
-<span class="sourceLineNo">233</span>  public static final String 
HBASE_REGIONSERVER_MINIBATCH_SIZE =<a name="line.233"></a>
-<span class="sourceLineNo">234</span>      
"hbase.regionserver.minibatch.size";<a name="line.234"></a>
-<span class="sourceLineNo">235</span>  public static final int 
DEFAULT_HBASE_REGIONSERVER_MINIBATCH_SIZE = 20000;<a name="line.235"></a>
-<span class="sourceLineNo">236</span><a name="line.236"></a>
-<span class="sourceLineNo">237</span>  /**<a name="line.237"></a>
-<span class="sourceLineNo">238</span>   * This is the global default value for 
durability. All tables/mutations not<a name="line.238"></a>
-<span class="sourceLineNo">239</span>   * defining a durability or using 
USE_DEFAULT will default to this value.<a name="line.239"></a>
-<span class="sourceLineNo">240</span>   */<a name="line.240"></a>
-<span class="sourceLineNo">241</span>  private static final Durability 
DEFAULT_DURABILITY = Durability.SYNC_WAL;<a name="line.241"></a>
+<span class="sourceLineNo">233</span>  /**<a name="line.233"></a>
+<span class="sourceLineNo">234</span>   * This is the global default value for 
durability. All tables/mutations not<a name="line.234"></a>
+<span class="sourceLineNo">235</span>   * defining a durability or using 
USE_DEFAULT will default to this value.<a name="line.235"></a>
+<span class="sourceLineNo">236</span>   */<a name="line.236"></a>
+<span class="sourceLineNo">237</span>  private static final Durability 
DEFAULT_DURABILITY = Durability.SYNC_WAL;<a name="line.237"></a>
+<span class="sourceLineNo">238</span><a name="line.238"></a>
+<span class="sourceLineNo">239</span>  public static final String 
HBASE_REGIONSERVER_MINIBATCH_SIZE =<a name="line.239"></a>
+<span class="sourceLineNo">240</span>      
"hbase.regionserver.minibatch.size";<a name="line.240"></a>
+<span class="sourceLineNo">241</span>  public static final int 
DEFAULT_HBASE_REGIONSERVER_MINIBATCH_SIZE = 20000;<a name="line.241"></a>
 <span class="sourceLineNo">242</span><a name="line.242"></a>
-<span class="sourceLineNo">243</span>  final AtomicBoolean closed = new 
AtomicBoolean(false);<a name="line.243"></a>
-<span class="sourceLineNo">244</span><a name="line.244"></a>
-<span class="sourceLineNo">245</span>  /* Closing can take some time; use the 
closing flag if there is stuff we don't<a name="line.245"></a>
-<span class="sourceLineNo">246</span>   * want to do while in closing state; 
e.g. like offer this region up to the<a name="line.246"></a>
-<span class="sourceLineNo">247</span>   * master as a region to close if the 
carrying regionserver is overloaded.<a name="line.247"></a>
-<span class="sourceLineNo">248</span>   * Once set, it is never cleared.<a 
name="line.248"></a>
-<span class="sourceLineNo">249</span>   */<a name="line.249"></a>
-<span class="sourceLineNo">250</span>  final AtomicBoolean closing = new 
AtomicBoolean(false);<a name="line.250"></a>
-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span>  /**<a name="line.252"></a>
-<span class="sourceLineNo">253</span>   * The max sequence id of flushed data 
on this region. There is no edit in memory that is<a name="line.253"></a>
-<span class="sourceLineNo">254</span>   * less that this sequence id.<a 
name="line.254"></a>
-<span class="sourceLineNo">255</span>   */<a name="line.255"></a>
-<span class="sourceLineNo">256</span>  private volatile long maxFlushedSeqId = 
HConstants.NO_SEQNUM;<a name="line.256"></a>
-<span class="sourceLineNo">257</span><a name="line.257"></a>
-<span class="sourceLineNo">258</span>  /**<a name="line.258"></a>
-<span class="sourceLineNo">259</span>   * Record the sequence id of last flush 
operation. Can be in advance of<a name="line.259"></a>
-<span class="sourceLineNo">260</span>   * {@link #maxFlushedSeqId} when 
flushing a single column family. In this case,<a name="line.260"></a>
-<span class="sourceLineNo">261</span>   * {@link #maxFlushedSeqId} will be 
older than the oldest edit in memory.<a name="line.261"></a>
-<span class="sourceLineNo">262</span>   */<a name="line.262"></a>
-<span class="sourceLineNo">263</span>  private volatile long lastFlushOpSeqId 
= HConstants.NO_SEQNUM;<a name="line.263"></a>
-<span class="sourceLineNo">264</span><a name="line.264"></a>
-<span class="sourceLineNo">265</span>  /**<a name="line.265"></a>
-<span class="sourceLineNo">266</span>   * The sequence id of the last replayed 
open region event from the primary region. This is used<a name="line.266"></a>
-<span class="sourceLineNo">267</span>   * to skip entries before this due to 
the possibility of replay edits coming out of order from<a name="line.267"></a>
-<span class="sourceLineNo">268</span>   * replication.<a name="line.268"></a>
-<span class="sourceLineNo">269</span>   */<a name="line.269"></a>
-<span class="sourceLineNo">270</span>  protected volatile long 
lastReplayedOpenRegionSeqId = -1L;<a name="line.270"></a>
-<span class="sourceLineNo">271</span>  protected volatile long 
lastReplayedCompactionSeqId = -1L;<a name="line.271"></a>
-<span class="sourceLineNo">272</span><a name="line.272"></a>
-<span class="sourceLineNo">273</span>  
//////////////////////////////////////////////////////////////////////////////<a
 name="line.273"></a>
-<span class="sourceLineNo">274</span>  // Members<a name="line.274"></a>
-<span class="sourceLineNo">275</span>  
//////////////////////////////////////////////////////////////////////////////<a
 name="line.275"></a>
-<span class="sourceLineNo">276</span><a name="line.276"></a>
-<span class="sourceLineNo">277</span>  // map from a locked row to the context 
for that lock including:<a name="line.277"></a>
-<span class="sourceLineNo">278</span>  // - CountDownLatch for threads waiting 
on that row<a name="line.278"></a>
-<span class="sourceLineNo">279</span>  // - the thread that owns the lock 
(allow reentrancy)<a name="line.279"></a>
-<span class="sourceLineNo">280</span>  // - reference count of (reentrant) 
locks held by the thread<a name="line.280"></a>
-<span class="sourceLineNo">281</span>  // - the row itself<a 
name="line.281"></a>
-<span class="sourceLineNo">282</span>  private final 
ConcurrentHashMap&lt;HashedBytes, RowLockContext&gt; lockedRows =<a 
name="line.282"></a>
-<span class="sourceLineNo">283</span>      new ConcurrentHashMap&lt;&gt;();<a 
name="line.283"></a>
-<span class="sourceLineNo">284</span><a name="line.284"></a>
-<span class="sourceLineNo">285</span>  protected final Map&lt;byte[], 
HStore&gt; stores =<a name="line.285"></a>
-<span class="sourceLineNo">286</span>      new 
ConcurrentSkipListMap&lt;&gt;(Bytes.BYTES_RAWCOMPARATOR);<a name="line.286"></a>
+<span class="sourceLineNo">243</span>  public static final String 
WAL_HSYNC_CONF_KEY = "hbase.wal.hsync";<a name="line.243"></a>
+<span class="sourceLineNo">244</span>  public static final boolean 
DEFAULT_WAL_HSYNC = false;<a name="line.244"></a>
+<span class="sourceLineNo">245</span><a name="line.245"></a>
+<span class="sourceLineNo">246</span>  final AtomicBoolean closed = new 
AtomicBoolean(false);<a name="line.246"></a>
+<span class="sourceLineNo">247</span><a name="line.247"></a>
+<span class="sourceLineNo">248</span>  /* Closing can take some time; use the 
closing flag if there is stuff we don't<a name="line.248"></a>
+<span class="sourceLineNo">249</span>   * want to do while in closing state; 
e.g. like offer this region up to the<a name="line.249"></a>
+<span class="sourceLineNo">250</span>   * master as a region to close if the 
carrying regionserver is overloaded.<a name="line.250"></a>
+<span class="sourceLineNo">251</span>   * Once set, it is never cleared.<a 
name="line.251"></a>
+<span class="sourceLineNo">252</span>   */<a name="line.252"></a>
+<span class="sourceLineNo">253</span>  final AtomicBoolean closing = new 
AtomicBoolean(false);<a name="line.253"></a>
+<span class="sourceLineNo">254</span><a name="line.254"></a>
+<span class="sourceLineNo">255</span>  /**<a name="line.255"></a>
+<span class="sourceLineNo">256</span>   * The max sequence id of flushed data 
on this region. There is no edit in memory that is<a name="line.256"></a>
+<span class="sourceLineNo">257</span>   * less that this sequence id.<a 
name="line.257"></a>
+<span class="sourceLineNo">258</span>   */<a name="line.258"></a>
+<span class="sourceLineNo">259</span>  private volatile long maxFlushedSeqId = 
HConstants.NO_SEQNUM;<a name="line.259"></a>
+<span class="sourceLineNo">260</span><a name="line.260"></a>
+<span class="sourceLineNo">261</span>  /**<a name="line.261"></a>
+<span class="sourceLineNo">262</span>   * Record the sequence id of last flush 
operation. Can be in advance of<a name="line.262"></a>
+<span class="sourceLineNo">263</span>   * {@link #maxFlushedSeqId} when 
flushing a single column family. In this case,<a name="line.263"></a>
+<span class="sourceLineNo">264</span>   * {@link #maxFlushedSeqId} will be 
older than the oldest edit in memory.<a name="line.264"></a>
+<span class="sourceLineNo">265</span>   */<a name="line.265"></a>
+<span class="sourceLineNo">266</span>  private volatile long lastFlushOpSeqId 
= HConstants.NO_SEQNUM;<a name="line.266"></a>
+<span class="sourceLineNo">267</span><a name="line.267"></a>
+<span class="sourceLineNo">268</span>  /**<a name="line.268"></a>
+<span class="sourceLineNo">269</span>   * The sequence id of the last replayed 
open region event from the primary region. This is used<a name="line.269"></a>
+<span class="sourceLineNo">270</span>   * to skip entries before this due to 
the possibility of replay edits coming out of order from<a name="line.270"></a>
+<span class="sourceLineNo">271</span>   * replication.<a name="line.271"></a>
+<span class="sourceLineNo">272</span>   */<a name="line.272"></a>
+<span class="sourceLineNo">273</span>  protected volatile long 
lastReplayedOpenRegionSeqId = -1L;<a name="line.273"></a>
+<span class="sourceLineNo">274</span>  protected volatile long 
lastReplayedCompactionSeqId = -1L;<a name="line.274"></a>
+<span class="sourceLineNo">275</span><a name="line.275"></a>
+<span class="sourceLineNo">276</span>  
//////////////////////////////////////////////////////////////////////////////<a
 name="line.276"></a>
+<span class="sourceLineNo">277</span>  // Members<a name="line.277"></a>
+<span class="sourceLineNo">278</span>  
//////////////////////////////////////////////////////////////////////////////<a
 name="line.278"></a>
+<span class="sourceLineNo">279</span><a name="line.279"></a>
+<span class="sourceLineNo">280</span>  // map from a locked row to the context 
for that lock including:<a name="line.280"></a>
+<span class="sourceLineNo">281</span>  // - CountDownLatch for threads waiting 
on that row<a name="line.281"></a>
+<span class="sourceLineNo">282</span>  // - the thread that owns the lock 
(allow reentrancy)<a name="line.282"></a>
+<span class="sourceLineNo">283</span>  // - reference count of (reentrant) 
locks held by the thread<a name="line.283"></a>
+<span class="sourceLineNo">284</span>  // - the row itself<a 
name="line.284"></a>
+<span class="sourceLineNo">285</span>  private final 
ConcurrentHashMap&lt;HashedBytes, RowLockContext&gt; lockedRows =<a 
name="line.285"></a>
+<span class="sourceLineNo">286</span>      new ConcurrentHashMap&lt;&gt;();<a 
name="line.286"></a>
 <span class="sourceLineNo">287</span><a name="line.287"></a>
-<span class="sourceLineNo">288</span>  // TODO: account for each registered 
handler in HeapSize computation<a name="line.288"></a>
-<span class="sourceLineNo">289</span>  private Map&lt;String, 
com.google.protobuf.Service&gt; coprocessorServiceHandlers = 
Maps.newHashMap();<a name="line.289"></a>
+<span class="sourceLineNo">288</span>  protected final Map&lt;byte[], 
HStore&gt; stores =<a name="line.288"></a>
+<span class="sourceLineNo">289</span>      new 
ConcurrentSkipListMap&lt;&gt;(Bytes.BYTES_RAWCOMPARATOR);<a name="line.289"></a>
 <span class="sourceLineNo">290</span><a name="line.290"></a>
-<span class="sourceLineNo">291</span>  // Track data size in all memstores<a 
name="line.291"></a>
-<span class="sourceLineNo">292</span>  private final MemStoreSizing 
memStoreSize = new MemStoreSizing();<a name="line.292"></a>
-<span class="sourceLineNo">293</span>  private final RegionServicesForStores 
regionServicesForStores = new RegionServicesForStores(this);<a 
name="line.293"></a>
-<span class="sourceLineNo">294</span><a name="line.294"></a>
-<span class="sourceLineNo">295</span>  // Debug possible data loss due to WAL 
off<a name="line.295"></a>
-<span class="sourceLineNo">296</span>  final LongAdder numMutationsWithoutWAL 
= new LongAdder();<a name="line.296"></a>
-<span class="sourceLineNo">297</span>  final LongAdder dataInMemoryWithoutWAL 
= new LongAdder();<a name="line.297"></a>
-<span class="sourceLineNo">298</span><a name="line.298"></a>
-<span class="sourceLineNo">299</span>  // Debug why CAS operations are taking 
a while.<a name="line.299"></a>
-<span class="sourceLineNo">300</span>  final LongAdder 
checkAndMutateChecksPassed = new LongAdder();<a name="line.300"></a>
-<span class="sourceLineNo">301</span>  final LongAdder 
checkAndMutateChecksFailed = new LongAdder();<a name="line.301"></a>
-<span class="sourceLineNo">302</span><a name="line.302"></a>
-<span class="sourceLineNo">303</span>  // Number of requests<a 
name="line.303"></a>
-<span class="sourceLineNo">304</span>  // Count rows for scan<a 
name="line.304"></a>
-<span class="sourceLineNo">305</span>  final LongAdder readRequestsCount = new 
LongAdder();<a name="line.305"></a>
-<span class="sourceLineNo">306</span>  final LongAdder 
filteredReadRequestsCount = new LongAdder();<a name="line.306"></a>
-<span class="sourceLineNo">307</span>  // Count rows for multi row mutations<a 
name="line.307"></a>
-<span class="sourceLineNo">308</span>  final LongAdder writeRequestsCount = 
new LongAdder();<a name="line.308"></a>
-<span class="sourceLineNo">309</span><a name="line.309"></a>
-<span class="sourceLineNo">310</span>  // Number of requests blocked by 
memstore size.<a name="line.310"></a>
-<span class="sourceLineNo">311</span>  private final LongAdder 
blockedRequestsCount = new LongAdder();<a name="line.311"></a>
+<span class="sourceLineNo">291</span>  // TODO: account for each registered 
handler in HeapSize computation<a name="line.291"></a>
+<span class="sourceLineNo">292</span>  private Map&lt;String, 
com.google.protobuf.Service&gt; coprocessorServiceHandlers = 
Maps.newHashMap();<a name="line.292"></a>
+<span class="sourceLineNo">293</span><a name="line.293"></a>
+<span class="sourceLineNo">294</span>  // Track data size in all memstores<a 
name="line.294"></a>
+<span class="sourceLineNo">295</span>  private final MemStoreSizing 
memStoreSize = new MemStoreSizing();<a name="line.295"></a>
+<span class="sourceLineNo">296</span>  private final RegionServicesForStores 
regionServicesForStores = new RegionServicesForStores(this);<a 
name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span>  // Debug possible data loss due to WAL 
off<a name="line.298"></a>
+<span class="sourceLineNo">299</span>  final LongAdder numMutationsWithoutWAL 
= new LongAdder();<a name="line.299"></a>
+<span class="sourceLineNo">300</span>  final LongAdder dataInMemoryWithoutWAL 
= new LongAdder();<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span>  // Debug why CAS operations are taking 
a while.<a name="line.302"></a>
+<span class="sourceLineNo">303</span>  final LongAdder 
checkAndMutateChecksPassed = new LongAdder();<a name="line.303"></a>
+<span class="sourceLineNo">304</span>  final LongAdder 
checkAndMutateChecksFailed = new LongAdder();<a name="line.304"></a>
+<span class="sourceLineNo">305</span><a name="line.305"></a>
+<span class="sourceLineNo">306</span>  // Number of requests<a 
name="line.306"></a>
+<span class="sourceLineNo">307</span>  // Count rows for scan<a 
name="line.307"></a>
+<span class="sourceLineNo">308</span>  final LongAdder readRequestsCount = new 
LongAdder();<a name="line.308"></a>
+<span class="sourceLineNo">309</span>  final LongAdder 
filteredReadRequestsCount = new LongAdder();<a name="line.309"></a>
+<span class="sourceLineNo">310</span>  // Count rows for multi row mutations<a 
name="line.310"></a>
+<span class="sourceLineNo">311</span>  final LongAdder writeRequestsCount = 
new LongAdder();<a name="line.311"></a>
 <span class="sourceLineNo">312</span><a name="line.312"></a>
-<span class="sourceLineNo">313</span>  // Compaction LongAdders<a 
name="line.313"></a>
-<span class="sourceLineNo">314</span>  final LongAdder compactionsFinished = 
new LongAdder();<a name="line.314"></a>
-<span class="sourceLineNo">315</span>  final LongAdder compactionsFailed = new 
LongAdder();<a name="line.315"></a>
-<span class="sourceLineNo">316</span>  final LongAdder 
compactionNumFilesCompacted = new LongAdder();<a name="line.316"></a>
-<span class="sourceLineNo">317</span>  final LongAdder 
compactionNumBytesCompacted = new LongAdder();<a name="line.317"></a>
-<span class="sourceLineNo">318</span>  final LongAdder compactionsQueued = new 
LongAdder();<a name="line.318"></a>
-<span class="sourceLineNo">319</span>  final LongAdder flushesQueued = new 
LongAdder();<a name="line.319"></a>
-<span class="sourceLineNo">320</span><a name="line.320"></a>
-<span class="sourceLineNo">321</span>  private final WAL wal;<a 
name="line.321"></a>
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name="line.322"></a>
-<span class="sourceLineNo">323</span>  protected final Configuration conf;<a 
name="line.323"></a>
-<span class="sourceLineNo">324</span>  private final Configuration baseConf;<a 
name="line.324"></a>
-<span class="sourceLineNo">325</span>  private final int 
rowLockWaitDuration;<a name="line.325"></a>
-<span class="sourceLineNo">326</span>  static final int 
DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.326"></a>
-<span class="sourceLineNo">327</span><a name="line.327"></a>
-<span class="sourceLineNo">328</span>  // The internal wait duration to 
acquire a lock before read/update<a name="line.328"></a>
-<span class="sourceLineNo">329</span>  // from the region. It is not per row. 
The purpose of this wait time<a name="line.329"></a>
-<span class="sourceLineNo">330</span>  // is to avoid waiting a long time 
while the region is busy, so that<a name="line.330"></a>
-<span class="sourceLineNo">331</span>  // we can release the IPC handler soon 
enough to improve the<a name="line.331"></a>
-<span class="sourceLineNo">332</span>  // availability of the region server. 
It can be adjusted by<a name="line.332"></a>
-<span class="sourceLineNo">333</span>  // tuning configuration 
"hbase.busy.wait.duration".<a name="line.333"></a>
-<span class="sourceLineNo">334</span>  final long busyWaitDuration;<a 
name="line.334"></a>
-<span class="sourceLineNo">335</span>  static final long 
DEFAULT_BUSY_WAIT_DURATION = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;<a 
name="line.335"></a>
-<span class="sourceLineNo">336</span><a name="line.336"></a>
-<span class="sourceLineNo">337</span>  // If updating multiple rows in one 
call, wait longer,<a name="line.337"></a>
-<span class="sourceLineNo">338</span>  // i.e. waiting for busyWaitDuration * 
# of rows. However,<a name="line.338"></a>
-<span class="sourceLineNo">339</span>  // we can limit the max multiplier.<a 
name="line.339"></a>
-<span class="sourceLineNo">340</span>  final int maxBusyWaitMultiplier;<a 
name="line.340"></a>
-<span class="sourceLineNo">341</span><a name="line.341"></a>
-<span class="sourceLineNo">342</span>  // Max busy wait duration. There is no 
point to wait longer than the RPC<a name="line.342"></a>
-<span class="sourceLineNo">343</span>  // purge timeout, when a RPC call will 
be terminated by the RPC engine.<a name="line.343"></a>
-<span class="sourceLineNo">344</span>  final long maxBusyWaitDuration;<a 
name="line.344"></a>
-<span class="sourceLineNo">345</span><a name="line.345"></a>
-<span class="sourceLineNo">346</span>  // Max cell size. If nonzero, the 
maximum allowed size for any given cell<a name="line.346"></a>
-<span class="sourceLineNo">347</span>  // in bytes<a name="line.347"></a>
-<span class="sourceLineNo">348</span>  final long maxCellSize;<a 
name="line.348"></a>
-<span class="sourceLineNo">349</span><a name="line.349"></a>
-<span class="sourceLineNo">350</span>  // Number of mutations for minibatch 
processing.<a name="line.350"></a>
-<span class="sourceLineNo">351</span>  private final int miniBatchSize;<a 
name="line.351"></a>
+<span class="sourceLineNo">313</span>  // Number of requests blocked by 
memstore size.<a name="line.313"></a>
+<span class="sourceLineNo">314</span>  private final LongAdder 
blockedRequestsCount = new LongAdder();<a name="line.314"></a>
+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span>  // Compaction LongAdders<a 
name="line.316"></a>
+<span class="sourceLineNo">317</span>  final LongAdder compactionsFinished = 
new LongAdder();<a name="line.317"></a>
+<span class="sourceLineNo">318</span>  final LongAdder compactionsFailed = new 
LongAdder();<a name="line.318"></a>
+<span class="sourceLineNo">319</span>  final LongAdder 
compactionNumFilesCompacted = new LongAdder();<a name="line.319"></a>
+<span class="sourceLineNo">320</span>  final LongAdder 
compactionNumBytesCompacted = new LongAdder();<a name="line.320"></a>
+<span class="sourceLineNo">321</span>  final LongAdder compactionsQueued = new 
LongAdder();<a name="line.321"></a>
+<span class="sourceLineNo">322</span>  final LongAdder flushesQueued = new 
LongAdder();<a name="line.322"></a>
+<span class="sourceLineNo">323</span><a name="line.323"></a>
+<span class="sourceLineNo">324</span>  private final WAL wal;<a 
name="line.324"></a>
+<span class="sourceLineNo">325</span>  private final HRegionFileSystem fs;<a 
name="line.325"></a>
+<span class="sourceLineNo">326</span>  protected final Configuration conf;<a 
name="line.326"></a>
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name="line.327"></a>
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rowLockWaitDuration;<a name="line.328"></a>
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acquire a lock before read/update<a name="line.331"></a>
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The purpose of this wait time<a name="line.332"></a>
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while the region is busy, so that<a name="line.333"></a>
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enough to improve the<a name="line.334"></a>
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"hbase.busy.wait.duration".<a name="line.336"></a>
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name="line.338"></a>
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call, wait longer,<a name="line.340"></a>
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# of rows. However,<a name="line.341"></a>
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point to wait longer than the RPC<a name="line.345"></a>
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be terminated by the RPC engine.<a name="line.346"></a>
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maximum allowed size for any given cell<a name="line.349"></a>
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timeout<a name="line.353"></a>
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rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.355"></a>
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minorInProgress = new AtomicInteger(0);<a name="line.371"></a>
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processing.<a name="line.353"></a>
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+<span class="sourceLineNo">355</span><a name="line.355"></a>
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timeout<a name="line.356"></a>
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DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.357"></a>
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rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.358"></a>
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ConcurrentHashMap&lt;RegionScanner, Long&gt; scannerReadPoints;<a 
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+<span class="sourceLineNo">362</span>  /**<a name="line.362"></a>
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enLongAddered when this region was opened.<a name="line.363"></a>
+<span class="sourceLineNo">364</span>   */<a name="line.364"></a>
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HConstants.NO_SEQNUM;<a name="line.365"></a>
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enable on-demand CF loading for<a name="line.368"></a>
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Requests can override it.<a name="line.369"></a>
+<span class="sourceLineNo">370</span>   */<a name="line.370"></a>
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isLoadingCfsOnDemandDefault = false;<a name="line.371"></a>
 <span class="sourceLineNo">372</span><a name="line.372"></a>
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ensure that we do not lose any data. So, we<a name="line.374"></a>
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replay wals. For each store, we calculate<a name="line.375"></a>
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was flushed. And, skip the edits which<a name="line.376"></a>
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for each store.<a name="line.377"></a>
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opening the region<a name="line.378"></a>
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maxSeqIdInStores = new TreeMap&lt;&gt;(Bytes.BYTES_COMPARATOR);<a 
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flush cache */<a name="line.381"></a>
-<span class="sourceLineNo">382</span>  private PrepareFlushResult 
prepareFlushResult = null;<a name="line.382"></a>
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majorInProgress = new AtomicInteger(0);<a name="line.373"></a>
+<span class="sourceLineNo">374</span>  private final AtomicInteger 
minorInProgress = new AtomicInteger(0);<a name="line.374"></a>
+<span class="sourceLineNo">375</span><a name="line.375"></a>
+<span class="sourceLineNo">376</span>  //<a name="line.376"></a>
+<span class="sourceLineNo">377</span>  // Context: During replay we want to 
ensure that we do not lose any data. So, we<a name="line.377"></a>
+<span class="sourceLineNo">378</span>  // have to be conservative in how we 
replay wals. For each store, we calculate<a name="line.378"></a>
+<span class="sourceLineNo">379</span>  // the maxSeqId up to which the store 
was flushed. And, skip the edits which<a name="line.379"></a>
+<span class="sourceLineNo">380</span>  // are equal to or lower than maxSeqId 
for each store.<a name="line.380"></a>
+<span class="sourceLineNo">381</span>  // The following map is populated when 
opening the region<a name="line.381"></a>
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maxSeqIdInStores = new TreeMap&lt;&gt;(Bytes.BYTES_COMPARATOR);<a 
name="line.382"></a>
 <span class="sourceLineNo">383</span><a name="line.383"></a>
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Optional&lt;ConfigurationManager&gt; configurationManager;<a 
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name="line.386"></a>
-<span class="sourceLineNo">387</span>  private volatile Long 
timeoutForWriteLock = null;<a name="line.387"></a>
+<span class="sourceLineNo">384</span>  /** Saved state from replaying prepare 
flush cache */<a name="line.384"></a>
+<span class="sourceLineNo">385</span>  private PrepareFlushResult 
prepareFlushResult = null;<a name="line.385"></a>
+<span class="sourceLineNo">386</span><a name="line.386"></a>
+<span class="sourceLineNo">387</span>  private volatile 
Optional&lt;ConfigurationManager&gt; configurationManager;<a 
name="line.387"></a>
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across all the scanners in this<a name="line.390"></a>
-<span class="sourceLineNo">391</span>   * region. Writes older than this 
readPoint, are included in every<a name="line.391"></a>
-<span class="sourceLineNo">392</span>   * read operation.<a 
name="line.392"></a>
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name="line.395"></a>
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are calculating the smallestReadPoint<a name="line.396"></a>
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name="line.399"></a>
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this.scannerReadPoints.values()) {<a name="line.401"></a>
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minimumReadPoint) {<a name="line.402"></a>
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used coordinating flushes,<a name="line.411"></a>
-<span class="sourceLineNo">412</span>   * compactions and closes.<a 
name="line.412"></a>
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happening.<a name="line.415"></a>
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when flushing to describe all the different states that<a name="line.456"></a>
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enum describes those states. The sequence id should only<a name="line.457"></a>
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successful, and the failure message should only be specified<a 
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when the flush is successful, the failure message is set to<a 
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FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a 
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sequence id that comes right after the edits in the<a name="line.471"></a>
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memstores.<a name="line.472"></a>
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when we cannot flush.<a name="line.481"></a>
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successful, and the failure message should only be specified<a 
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FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a 
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sequence id that comes right after the edits in the<a name="line.474"></a>
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memstores.<a name="line.475"></a>
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CANNOT_FLUSH_MEMSTORE_EMPTY or CANNOT_FLUSH.<a name="line.485"></a>
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sequence id if the memstores were flushed else -1.<a name="line.496"></a>
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of checking if result is<a name="line.508"></a>
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FLUSHED_NO_COMPACTION_NEEDED.<a name="line.509"></a>
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flushed, else false.<a name="line.510"></a>
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of checking if result is FLUSHED_COMPACTION_NEEDED.<a name="line.519"></a>
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requested a compaction, else false (doesn't even mean it flushed).<a 
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result:").append(result).append(", ")<a name="line.530"></a>
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.append("failureReason:").append(failureReason).append(",")<a 
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id").append(flushSequenceId).toString();<a name="line.532"></a>
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cache stage */<a name="line.541"></a>
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name="line.542"></a>
+<span class="sourceLineNo">543</span>  static class PrepareFlushResult {<a 
name="line.543"></a>
+<span class="sourceLineNo">544</span>    final FlushResultImpl result; // 
indicating a failure result from prepare<a name="line.544"></a>
+<span class="sourceLineNo">545</span>    final TreeMap&lt;byte[], 
StoreFlushContext&gt; storeFlushCtxs;<a name="line.545"></a>
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List&lt;Path&gt;&gt; committedFiles;<a name="line.546"></a>
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MemStoreSize&gt; storeFlushableSize;<a name="line.547"></a>
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+<span class="sourceLineNo">550</span>    final long flushedSeqId;<a 
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totalFlushableSize;<a name="line.551"></a>
+<span class="sourceLineNo">552</span><a name="line.552"></a>
+<span class="sourceLineNo">553</span>    /** Constructs an early exit case 
*/<a name="line.553"></a>
+<span class="sourceLineNo">554</span>    PrepareFlushResult(FlushResultImpl 
result, long flushSeqId) {<a name="line.554"></a>
+<span class="sourceLineNo">555</span>      this(result, null, null, null, 
Math.max(0, flushSeqId), 0, 0, MemStoreSizing.DUD);<a name="line.555"></a>
+<span class="sourceLineNo">556</span>    }<a name="line.556"></a>
+<span class="sourceLineNo">557</span><a name="line.557"></a>
+<span class="sourceLineNo">558</span>    /** Constructs a successful prepare 
flush result */<a name="line.558"></a>
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name="line.559"></a>
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List&lt;Path&gt;&gt; committedFiles,<a name="line.561"></a>
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storeFlushableSize, long startTime, long flushSeqId,<a name="line.562"></a>
+<span class="sourceLineNo">563</span>      long flushedSeqId, MemStoreSizing 
totalFlushableSize) {<a name="line.563"></a>
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totalFlushableSize);<a name="line.565"></a>
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+<span class="sourceLineNo">567</span><a name="line.567"></a>
+<span class="sourceLineNo">568</span>    private PrepareFlushResult(<a 
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name="line.569"></a>
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StoreFlushContext&gt; storeFlushCtxs,<a name="line.570"></a>
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List&lt;Path&gt;&gt; committedFiles,<a name="line.571"></a>
+<span class="sourceLineNo">572</span>      TreeMap&lt;byte[], MemStoreSize&gt; 
storeFlushableSize, long startTime, long flushSeqId,<a name="line.572"></a>
+<span class="sourceLineNo">573</span>      long flushedSeqId, MemStoreSizing 
totalFlushableSize) {<a name="line.573"></a>
+<span class="sourceLineNo">574</span>      this.result = result;<a 
name="line.574"></a>
+<span class="sourceLineNo">575</span>      this.storeFlushCtxs = 
storeFlushCtxs;<a name="line.575"></a>
+<span class="sourceLineNo">576</span>      this.committedFiles = 
committedFiles;<a name="line.576"></a>
+<span class="sourceLineNo">577</span>      this.storeFlushableSize = 
storeFlushableSize;<a name="line.577"></a>
+<span class="sourceLineNo">578</span>      this.startTime = startTime;<a 
name="line.578"></a>
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name="line.579"></a>
+<span class="sourceLineNo">580</span>      this.flushedSeqId = flushedSeqId;<a 
name="line.580"></a>
+<span class="sourceLineNo">581</span>      this.totalFlushableSize = 
totalFlushableSize;<a name="line.581"></a>
+<span class="sourceLineNo">582</span>    }<a name="line.582"></a>
+<span class="sourceLineNo">583</span><a name="line.583"></a>
+<span class="sourceLineNo">584</span>    public FlushResult getResult() {<a 
name="line.584"></a>
+<span class="sourceLineNo">585</span>      return this.result;<a 
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+<span class="sourceLineNo">586</span>    }<a name="line.586"></a>
+<span class="sourceLineNo">587</span>  }<a name="line.587"></a>
+<span class="sourceLineNo">588</span><a name="line.588"></a>
+<span class="sourceLineNo">589</span>  /**<a name="line.589"></a>
+<span class="sourceLineNo">590</span>   * A class that tracks exceptions that 
have been observed in one batch. Not thread safe.<a name="line.590"></a>
+<span class="sourceLineNo">591</span>   */<a name="line.591"></a>
+<span class="sourceLineNo">592</span>  static class ObservedExceptionsInBatch 
{<a name="line.592"></a>
+<span class="sourceLineNo">593</span>    private boolean wrongRegion = 
false;<a name="line.593"></a>
+<span class="sourceLineNo">594</span>    private boolean failedSanityCheck = 
false;<a name="line.594"></a>
+<span class="sourceLineNo">595</span>    private boolean wrongFamily = 
false;<a name="line.595"></a>
+<span class="sourceLineNo">596</span><a name="line.596"></a>
+<span class="sourceLineNo">597</span>    /**<a name="line.597"></a>
+<span class="sourceLineNo">598</span>     * @return If a {@link 
WrongRegionException} has been observed.<a name="line.598"></a>
+<span class="sourceLineNo">599</span>     */<a name="line.599"></a>
+<span class="sourceLineNo">600</span>    boolean hasSeenWrongRegion() {<a 
name="line.600"></a>
+<span class="sourceLineNo">601</span>      return wrongRegion;<a 
name="line.601"></a>
+<span class="sourceLineNo">602</span>    }<a name="line.602"></a>
+<span class="sourceLineNo">603</span><a name="line.603"></a>
+<span class="sourceLineNo">604</span>    /**<a name="line.604"></a>
+<span class="sourceLineNo">605</span>     * Records that a {@link 
WrongRegionException} has been observed.<a name="line.605"></a>
+<span class="sourceLineNo">606</span>     */<a name="line.606"></a>
+<span class="sourceLineNo">607</span>    void sawWrongRegion() {<a 
name="line.607"></a>
+<span class="sourceLineNo">608</span>      wrongRegion = true;<a 
name="line.608"></a>
+<span class="sourceLineNo">609</span>    }<a name="line.609"></a>
+<span class="sourceLineNo">610</span><a name="line.610"></a>
+<span class="sourceLineNo">611</span>    /**<a name="line.611"></a>
+<span class="sourceLineNo">612</span>     * @return If a {@link 
FailedSanityCheckException} has been observed.<a name="line.612"></a>
+<span class="sourceLineNo">613</span>     */<a name="line.613"></a>
+<span class="sourceLineNo">614</span>    boolean hasSeenFailedSanityCheck() 
{<a name="line.614"></a>
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name="line.615"></a>
+<span class="sourceLineNo">616</span>    }<a name="line.616"></a>
+<span class="sourceLineNo">617</span><a name="line.617"></a>
+<span class="sourceLineNo">618</span>    /**<a name="line.618"></a>
+<span class="sourceLineNo">619</span>     * Records that a {@link 
FailedSanityCheckException} has been observed.<a name="line.619"></a>
+<span class="sourceLineNo">620</span>     */<a name="line.620"></a>
+<span class="sourceLineNo">621</span>    void sawFailedSanityCheck() {<a 
name="line.621"></a>
+<span class="sourceLineNo">622</span>      failedSanityCheck = true;<a 
name="line.622"></a>
+<span class="sourceLineNo">623</span>    }<a name="line.623"></a>
+<span class="sourceLineNo">624</span><a name="line.624"></a>
+<span class="sourceLineNo">625</span>    /**<a name="line.625"></a>
+<span class="sourceLineNo">626</span>     * @return If a {@link 
NoSuchColumnFamilyException} has been observed.<a name="line.626"></a>
+<span class="sourceLineNo">627</span>     */<a name="line.627"></a>
+<span class="sourceLineNo">628</span>    boolean hasSeenNoSuchFamily() {<a 
name="line.628"></a>
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name="line.629"></a>
+<span class="sourceLineNo">630</span>    }<a name="line.630"></a>
+<span class="sourceLineNo">631</span><a name="line.631"></a>
+<span class="sourceLineNo">632</span>    /**<a name="line.632"></a>
+<span class="sourceLineNo">633</span>     * Records that a {@link 
NoSuchColumnFamilyException} has been observed.<a name="line.633"></a>
+<span class="sourceLineNo">634</span>     */<a name="line.634"></a>
+<span class="sourceLineNo">635</span>    void sawNoSuchFamily() {<a 
name="line.635"></a>
+<span class="sourceLineNo">636</span>      wrongFamily = true;<a 
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+<span class="sourceLineNo">637</span>    }<a name="line.637"></a>
+<span class="sourceLineNo">638</span>  }<a name="line.638"></a>
+<span class="sourceLineNo">639</span><a name="line.639"></a>
+<span class="sourceLineNo">640</span>  final WriteState writestate = new 
WriteState();<a name="line.640"></a>
+<span class="sourceLineNo">641</span><a name="line.641"></a>
+<span class="sourceLineNo">642</span>  long memstoreFlushSize;<a 
name="line.642"></a>
+<span class="sourceLineNo">643</span>  final long timestampSlop;<a 
name="line.643"></a>
+<span class="sourceLineNo">644</span>  final long rowProcessorTimeout;<a 
name="line.644"></a>
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rsServices;<a name="line.646"></a>
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rsAccounting;<a name="line.647"></a>
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name="line.648"></a>
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name="line.651"></a>
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name="line.652"></a>
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ReentrantReadWriteLock();<a name="line.653"></a>
-<span class="sourceLineNo">654</span><a name="line.654"></a>
-<span class="sourceLineNo">655</span>  // Stop updates lock<a 
name="line.655"></a>
-<span class="sourceLineNo">656</span>  private final ReentrantReadWriteLock 
updatesLock = new ReentrantReadWriteLock();<a name="line.656"></a>
-<span class="sourceLineNo">657</span>  private boolean splitRequest;<a 
name="line.657"></a>
-<span class="sourceLineNo">658</span>  private byte[] explicitSplitPoint = 
null;<a name="line.658"></a>
-<span class="sourceLineNo">659</span><a name="line.659"></a>
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MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a 
name="line.660"></a>
-<span class="sourceLineNo">661</span><a name="line.661"></a>
-<span class="sourceLineNo">662</span>  // Coprocessor host<a 
name="line.662"></a>
-<span class="sourceLineNo">663</span>  private RegionCoprocessorHost 
coprocessorHost;<a name="line.663"></a>
+<span class="sourceLineNo">646</span>  // Last flush time for each Store. 
Useful when we are flushing for each column<a name="line.646"></a>
+<span class="sourceLineNo">647</span>  private final ConcurrentMap&lt;HStore, 
Long&gt; lastStoreFlushTimeMap = new ConcurrentHashMap&lt;&gt;();<a 
name="line.647"></a>
+<span class="sourceLineNo">648</span><a name="line.648"></a>
+<span class="sourceLineNo">649</span>  final RegionServerServices 
rsServices;<a name="line.649"></a>
+<span class="sourceLineNo">650</span>  private RegionServerAccounting 
rsAccounting;<a name="line.650"></a>
+<span class="sourceLineNo">651</span>  private long flushCheckInterval;<a 
name="line.651"></a>
+<span class="sourceLineNo">652</span>  // flushPerChanges is to prevent too 
many changes in memstore<a name="line.652"></a>
+<span class="sourceLineNo">653</span>  private long flushPerChanges;<a 
name="line.653"></a>
+<span class="sourceLineNo">654</span>  private long blockingMemStoreSize;<a 
name="line.654"></a>
+<span class="sourceLineNo">655</span>  // Used to guard closes<a 
name="line.655"></a>
+<span class="sourceLineNo">656</span>  final ReentrantReadWriteLock lock = new 
ReentrantReadWriteLock();<a name="line.656"></a>
+<span class="sourceLineNo">657</span><a name="line.657"></a>
+<span class="sourceLineNo">658</span>  // Stop updates lock<a 
name="line.658"></a>
+<span class="sourceLineNo">659</span>  private final ReentrantReadWriteLock 
updatesLock = new ReentrantReadWriteLock();<a name="line.659"></a>
+<span class="sourceLineNo">660</span>  private boolean splitRequest;<a 
name="line.660"></a>
+<span class="sourceLineNo">661</span>  private byte[] explicitSplitPoint = 
null;<a name="line.661"></a>
+<span class="sourceLineNo">662</span><a name="line.662"></a>
+<span class="sourceLineNo">663</span>  private final 
MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a 
name="line.663"></a>
 <span class="sourceLineNo">664</span><a name="line.664"></a>
-<span class="sourceLineNo">665</span>  private TableDescriptor 
htableDescriptor = null;<a name="line.665"></a>
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splitPolicy;<a name="line.666"></a>
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name="line.667"></a>
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-<span class="sourceLineNo">669</span>  private final MetricsRegion 
metricsRegion;<a name="line.669"></a>
-<span class="sourceLineNo">670</span>  private final MetricsRegionWrapperImpl 
metricsRegionWrapper;<a name="line.670"></a>
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regionDurability;<a name="line.671"></a>
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regionStatsEnabled;<a name="line.672"></a>
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various column families of the table<a name="line.673"></a>
-<span class="sourceLineNo">674</span>  // that has non-default scope<a 
name="line.674"></a>
-<span class="sourceLineNo">675</span>  private final NavigableMap&lt;byte[], 
Integer&gt; replicationScope = new TreeMap&lt;&gt;(<a name="line.675"></a>
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name="line.676"></a>
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storeHotnessProtector;<a name="line.678"></a>
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constructor should only be used for testing and<a name="line.681"></a>
-<span class="sourceLineNo">682</span>   * extensions.  Instances of HRegion 
should be instantiated with the<a name="line.682"></a>
-<span class="sourceLineNo">683</span>   * {@link HRegion#createHRegion} or 
{@link HRegion#openHRegion} method.<a name="line.683"></a>
-<span class="sourceLineNo">684</span>   *<a name="line.684"></a>
-<span class="sourceLineNo">685</span>   * @param tableDir qualified path of 
directory where region should be located,<a name="line.685"></a>
-<span class="sourceLineNo">686</span>   * usually the table directory.<a 
name="line.686"></a>
-<span class="sourceLineNo">687</span>   * @param wal The WAL is the outbound 
log for any updates to the HRegion<a name="line.687"></a>
-<span class="sourceLineNo">688</span>   * The wal file is a logfile from the 
previous execution that's<a name="line.688"></a>
-<span class="sourceLineNo">689</span>   * custom-computed for this HRegion. 
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-<span class="sourceLineNo">690</span>   * appropriate wal info for this 
HRegion. If there is a previous wal file<a name="line.690"></a>
-<span class="sourceLineNo">691</span>   * (implying that the HRegion has been 
written-to before), then read it from<a name="line.691"></a>
-<span class="sourceLineNo">692</span>   * the supplied path.<a 
name="line.692"></a>
-<span class="sourceLineNo">693</span>   * @param fs is the filesystem.<a 
name="line.693"></a>
-<span class="sourceLineNo">694</span>   * @param confParam is global 
configuration settings.<a name="line.694"></a>
-<span class="sourceLineNo">695</span>   * @param regionInfo - RegionInfo that 
describes the region<a name="line.695"></a>
-<span class="sourceLineNo">696</span>   * is new), then read them from the 
supplied path.<a name="line.696"></a>
-<span class="sourceLineNo">697</span>   * @param htd the table descriptor<a 
name="line.697"></a>
-<span class="sourceLineNo">698</span>   * @param rsServices reference to 
{@link RegionServerServices} or null<a name="line.698"></a>
-<span class="sourceLineNo">699</span>   * @deprecated Use other 
constructors.<a name="line.699"></a>
-<span class="sourceLineNo">

<TRUNCATED>

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