http://git-wip-us.apache.org/repos/asf/hbase-site/blob/713132a3/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/compactions/Compactor.CellSinkFactory.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/compactions/Compactor.CellSinkFactory.html
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/compactions/Compactor.CellSinkFactory.html
index c2698b3..9142fe1 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/compactions/Compactor.CellSinkFactory.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/compactions/Compactor.CellSinkFactory.html
@@ -207,307 +207,309 @@
<span class="sourceLineNo">199</span> }<a name="line.199"></a>
<span class="sourceLineNo">200</span> tmp =
fileInfo.get(TIMERANGE_KEY);<a name="line.200"></a>
<span class="sourceLineNo">201</span> fd.latestPutTs = tmp == null ?
HConstants.LATEST_TIMESTAMP: TimeRangeTracker.parseFrom(tmp).getMax();<a
name="line.201"></a>
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keycount={}, bloomtype={}, size={}, encoding={}, seqNum={}{}",<a
name="line.202"></a>
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file.getPath().getName()),<a name="line.203"></a>
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r.getBloomFilterType().toString(),<a name="line.205"></a>
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r.getHFileReader().getDataBlockEncoding(),<a name="line.207"></a>
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-<span class="sourceLineNo">213</span><a name="line.213"></a>
-<span class="sourceLineNo">214</span> /**<a name="line.214"></a>
-<span class="sourceLineNo">215</span> * Creates file scanners for
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name="line.216"></a>
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name="line.217"></a>
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-<span class="sourceLineNo">219</span> private List<StoreFileScanner>
createFileScanners(Collection<HStoreFile> filesToCompact,<a
name="line.219"></a>
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useDropBehind) throws IOException {<a name="line.220"></a>
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StoreFileScanner.getScannersForCompaction(filesToCompact, useDropBehind,<a
name="line.221"></a>
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name="line.222"></a>
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name="line.225"></a>
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store.getSmallestReadPoint();<a name="line.226"></a>
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-<span class="sourceLineNo">228</span><a name="line.228"></a>
-<span class="sourceLineNo">229</span> protected interface
InternalScannerFactory {<a name="line.229"></a>
+<span class="sourceLineNo">202</span> LOG.debug("Compacting {},
keycount={}, bloomtype={}, size={}, "<a name="line.202"></a>
+<span class="sourceLineNo">203</span> + "encoding={},
compression={}, seqNum={}{}",<a name="line.203"></a>
+<span class="sourceLineNo">204</span> (file.getPath() == null? null:
file.getPath().getName()),<a name="line.204"></a>
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r.getBloomFilterType().toString(),<a name="line.206"></a>
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TraditionalBinaryPrefix.long2String(r.length(), "", 1),<a name="line.207"></a>
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r.getHFileReader().getDataBlockEncoding(),<a name="line.208"></a>
+<span class="sourceLineNo">209</span> compactionCompression,<a
name="line.209"></a>
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+<span class="sourceLineNo">211</span> (allFiles? ", earliestPutTs=" +
earliestPutTs: ""));<a name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
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+<span class="sourceLineNo">216</span> /**<a name="line.216"></a>
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compaction.<a name="line.217"></a>
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name="line.218"></a>
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name="line.219"></a>
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createFileScanners(Collection<HStoreFile> filesToCompact,<a
name="line.221"></a>
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useDropBehind) throws IOException {<a name="line.222"></a>
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StoreFileScanner.getScannersForCompaction(filesToCompact, useDropBehind,<a
name="line.223"></a>
+<span class="sourceLineNo">224</span> smallestReadPoint);<a
name="line.224"></a>
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store.getSmallestReadPoint();<a name="line.228"></a>
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getScanType(CompactionRequestImpl request);<a name="line.231"></a>
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<span class="sourceLineNo">232</span><a name="line.232"></a>
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createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners,
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smallestReadPoint) throws IOException;<a name="line.234"></a>
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defaultScannerFactory = new InternalScannerFactory() {<a name="line.237"></a>
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getScanType(CompactionRequestImpl request);<a name="line.233"></a>
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createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners,
ScanType scanType,<a name="line.235"></a>
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smallestReadPoint) throws IOException;<a name="line.236"></a>
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<span class="sourceLineNo">238</span><a name="line.238"></a>
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getScanType(CompactionRequestImpl request) {<a name="line.240"></a>
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COMPACT_DROP_DELETES : COMPACT_RETAIN_DELETES;<a name="line.241"></a>
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createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners,<a
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fd, long smallestReadPoint) throws IOException {<a name="line.246"></a>
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Compactor.this.createScanner(store, scanInfo, scanners, scanType,
smallestReadPoint,<a name="line.247"></a>
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name="line.254"></a>
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failed<a name="line.256"></a>
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name="line.259"></a>
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don't write them.<a name="line.260"></a>
-<span class="sourceLineNo">261</span> // See HBASE-8166, HBASE-12600, and
HBASE-13389.<a name="line.261"></a>
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store.createWriterInTmp(fd.maxKeyCount, this.compactionCompression, true,<a
name="line.262"></a>
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fd.maxTagsLength > 0, shouldDropBehind);<a name="line.263"></a>
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name="line.266"></a>
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name="line.267"></a>
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null) {<a name="line.268"></a>
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name="line.269"></a>
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store.getCoprocessorHost().preCompactScannerOpen(store, scanType,
request.getTracker(),<a name="line.271"></a>
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name="line.272"></a>
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scanners - after normal scanner creation.<a name="line.276"></a>
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name="line.277"></a>
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(usually the default); null if compaction should not proceed.<a
name="line.280"></a>
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name="line.282"></a>
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throws IOException {<a name="line.283"></a>
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null) {<a name="line.284"></a>
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name="line.285"></a>
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store.getCoprocessorHost().preCompact(store, scanner, scanType,
request.getTracker(),<a name="line.287"></a>
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name="line.288"></a>
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compact(final CompactionRequestImpl request,<a name="line.291"></a>
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scannerFactory, CellSinkFactory<T> sinkFactory,<a name="line.292"></a>
-<span class="sourceLineNo">293</span> ThroughputController
throughputController, User user) throws IOException {<a name="line.293"></a>
-<span class="sourceLineNo">294</span> FileDetails fd =
getFileDetails(request.getFiles(), request.isAllFiles());<a name="line.294"></a>
-<span class="sourceLineNo">295</span> this.progress = new
CompactionProgress(fd.maxKeyCount);<a name="line.295"></a>
-<span class="sourceLineNo">296</span><a name="line.296"></a>
-<span class="sourceLineNo">297</span> // Find the smallest read point
across all the Scanners.<a name="line.297"></a>
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getSmallestReadPoint();<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span> T writer = null;<a
name="line.300"></a>
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name="line.301"></a>
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request.isAllFiles()) {<a name="line.302"></a>
-<span class="sourceLineNo">303</span> dropCache = this.dropCacheMajor;<a
name="line.303"></a>
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-<span class="sourceLineNo">305</span> dropCache = this.dropCacheMinor;<a
name="line.305"></a>
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-<span class="sourceLineNo">308</span> List<StoreFileScanner> scanners
=<a name="line.308"></a>
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createFileScanners(request.getFiles(), smallestReadPoint, dropCache);<a
name="line.309"></a>
-<span class="sourceLineNo">310</span> InternalScanner scanner = null;<a
name="line.310"></a>
-<span class="sourceLineNo">311</span> boolean finished = false;<a
name="line.311"></a>
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-<span class="sourceLineNo">313</span> /* Include deletes, unless we are
doing a major compaction */<a name="line.313"></a>
-<span class="sourceLineNo">314</span> ScanType scanType =
scannerFactory.getScanType(request);<a name="line.314"></a>
-<span class="sourceLineNo">315</span> ScanInfo scanInfo =
preCompactScannerOpen(request, scanType, user);<a name="line.315"></a>
-<span class="sourceLineNo">316</span> scanner =
postCompactScannerOpen(request, scanType,<a name="line.316"></a>
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scannerFactory.createScanner(scanInfo, scanners, scanType, fd,
smallestReadPoint), user);<a name="line.317"></a>
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name="line.318"></a>
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&& !store.getColumnFamilyDescriptor().isNewVersionBehavior()) {<a
name="line.319"></a>
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never set mvcc to 0.<a name="line.320"></a>
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Math.min(fd.minSeqIdToKeep, smallestReadPoint);<a name="line.321"></a>
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name="line.322"></a>
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sinkFactory.createWriter(scanner, fd, dropCache);<a name="line.324"></a>
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scanner, writer, smallestReadPoint, cleanSeqId,<a name="line.325"></a>
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request.isAllFiles(), request.getFiles().size());<a name="line.326"></a>
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name="line.327"></a>
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InterruptedIOException("Aborting compaction of store " + store + " in region
"<a name="line.328"></a>
-<span class="sourceLineNo">329</span> +
store.getRegionInfo().getRegionNameAsString() + " because it was
interrupted.");<a name="line.329"></a>
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name="line.332"></a>
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null) {<a name="line.333"></a>
-<span class="sourceLineNo">334</span> abortWriter(writer);<a
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exited the method on all error paths";<a name="line.337"></a>
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should be non-null if no error";<a name="line.338"></a>
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request);<a name="line.339"></a>
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throws IOException;<a name="line.343"></a>
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-<span class="sourceLineNo">345</span> protected abstract void abortWriter(T
writer) throws IOException;<a name="line.345"></a>
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defaultScannerFactory = new InternalScannerFactory() {<a name="line.239"></a>
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+<span class="sourceLineNo">241</span> @Override<a name="line.241"></a>
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getScanType(CompactionRequestImpl request) {<a name="line.242"></a>
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COMPACT_DROP_DELETES : COMPACT_RETAIN_DELETES;<a name="line.243"></a>
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createScanner(ScanInfo scanInfo, List<StoreFileScanner> scanners,<a
name="line.247"></a>
+<span class="sourceLineNo">248</span> ScanType scanType, FileDetails
fd, long smallestReadPoint) throws IOException {<a name="line.248"></a>
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Compactor.this.createScanner(store, scanInfo, scanners, scanType,
smallestReadPoint,<a name="line.249"></a>
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name="line.250"></a>
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temporary directory.<a name="line.255"></a>
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name="line.256"></a>
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in the tmp dir.<a name="line.257"></a>
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failed<a name="line.258"></a>
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name="line.261"></a>
+<span class="sourceLineNo">262</span> // When all MVCC readpoints are 0,
don't write them.<a name="line.262"></a>
+<span class="sourceLineNo">263</span> // See HBASE-8166, HBASE-12600, and
HBASE-13389.<a name="line.263"></a>
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store.createWriterInTmp(fd.maxKeyCount, this.compactionCompression, true,<a
name="line.264"></a>
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fd.maxTagsLength > 0, shouldDropBehind);<a name="line.265"></a>
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preCompactScannerOpen(CompactionRequestImpl request, ScanType scanType,<a
name="line.268"></a>
+<span class="sourceLineNo">269</span> User user) throws IOException {<a
name="line.269"></a>
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null) {<a name="line.270"></a>
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name="line.271"></a>
+<span class="sourceLineNo">272</span> }<a name="line.272"></a>
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store.getCoprocessorHost().preCompactScannerOpen(store, scanType,
request.getTracker(),<a name="line.273"></a>
+<span class="sourceLineNo">274</span> request, user);<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> /**<a name="line.277"></a>
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scanners - after normal scanner creation.<a name="line.278"></a>
+<span class="sourceLineNo">279</span> * @param request Compaction request.<a
name="line.279"></a>
+<span class="sourceLineNo">280</span> * @param scanType Scan type.<a
name="line.280"></a>
+<span class="sourceLineNo">281</span> * @param scanner The default scanner
created for compaction.<a name="line.281"></a>
+<span class="sourceLineNo">282</span> * @return Scanner scanner to use
(usually the default); null if compaction should not proceed.<a
name="line.282"></a>
+<span class="sourceLineNo">283</span> */<a name="line.283"></a>
+<span class="sourceLineNo">284</span> private InternalScanner
postCompactScannerOpen(CompactionRequestImpl request, ScanType scanType,<a
name="line.284"></a>
+<span class="sourceLineNo">285</span> InternalScanner scanner, User user)
throws IOException {<a name="line.285"></a>
+<span class="sourceLineNo">286</span> if (store.getCoprocessorHost() ==
null) {<a name="line.286"></a>
+<span class="sourceLineNo">287</span> return scanner;<a
name="line.287"></a>
+<span class="sourceLineNo">288</span> }<a name="line.288"></a>
+<span class="sourceLineNo">289</span> return
store.getCoprocessorHost().preCompact(store, scanner, scanType,
request.getTracker(),<a name="line.289"></a>
+<span class="sourceLineNo">290</span> request, user);<a
name="line.290"></a>
+<span class="sourceLineNo">291</span> }<a name="line.291"></a>
+<span class="sourceLineNo">292</span><a name="line.292"></a>
+<span class="sourceLineNo">293</span> protected final List<Path>
compact(final CompactionRequestImpl request,<a name="line.293"></a>
+<span class="sourceLineNo">294</span> InternalScannerFactory
scannerFactory, CellSinkFactory<T> sinkFactory,<a name="line.294"></a>
+<span class="sourceLineNo">295</span> ThroughputController
throughputController, User user) throws IOException {<a name="line.295"></a>
+<span class="sourceLineNo">296</span> FileDetails fd =
getFileDetails(request.getFiles(), request.isAllFiles());<a name="line.296"></a>
+<span class="sourceLineNo">297</span> this.progress = new
CompactionProgress(fd.maxKeyCount);<a name="line.297"></a>
+<span class="sourceLineNo">298</span><a name="line.298"></a>
+<span class="sourceLineNo">299</span> // Find the smallest read point
across all the Scanners.<a name="line.299"></a>
+<span class="sourceLineNo">300</span> long smallestReadPoint =
getSmallestReadPoint();<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span> T writer = null;<a
name="line.302"></a>
+<span class="sourceLineNo">303</span> boolean dropCache;<a
name="line.303"></a>
+<span class="sourceLineNo">304</span> if (request.isMajor() ||
request.isAllFiles()) {<a name="line.304"></a>
+<span class="sourceLineNo">305</span> dropCache = this.dropCacheMajor;<a
name="line.305"></a>
+<span class="sourceLineNo">306</span> } else {<a name="line.306"></a>
+<span class="sourceLineNo">307</span> dropCache = this.dropCacheMinor;<a
name="line.307"></a>
+<span class="sourceLineNo">308</span> }<a name="line.308"></a>
+<span class="sourceLineNo">309</span><a name="line.309"></a>
+<span class="sourceLineNo">310</span> List<StoreFileScanner> scanners
=<a name="line.310"></a>
+<span class="sourceLineNo">311</span>
createFileScanners(request.getFiles(), smallestReadPoint, dropCache);<a
name="line.311"></a>
+<span class="sourceLineNo">312</span> InternalScanner scanner = null;<a
name="line.312"></a>
+<span class="sourceLineNo">313</span> boolean finished = false;<a
name="line.313"></a>
+<span class="sourceLineNo">314</span> try {<a name="line.314"></a>
+<span class="sourceLineNo">315</span> /* Include deletes, unless we are
doing a major compaction */<a name="line.315"></a>
+<span class="sourceLineNo">316</span> ScanType scanType =
scannerFactory.getScanType(request);<a name="line.316"></a>
+<span class="sourceLineNo">317</span> ScanInfo scanInfo =
preCompactScannerOpen(request, scanType, user);<a name="line.317"></a>
+<span class="sourceLineNo">318</span> scanner =
postCompactScannerOpen(request, scanType,<a name="line.318"></a>
+<span class="sourceLineNo">319</span>
scannerFactory.createScanner(scanInfo, scanners, scanType, fd,
smallestReadPoint), user);<a name="line.319"></a>
+<span class="sourceLineNo">320</span> boolean cleanSeqId = false;<a
name="line.320"></a>
+<span class="sourceLineNo">321</span> if (fd.minSeqIdToKeep > 0
&& !store.getColumnFamilyDescriptor().isNewVersionBehavior()) {<a
name="line.321"></a>
+<span class="sourceLineNo">322</span> // For mvcc-sensitive family, we
never set mvcc to 0.<a name="line.322"></a>
+<span class="sourceLineNo">323</span> smallestReadPoint =
Math.min(fd.minSeqIdToKeep, smallestReadPoint);<a name="line.323"></a>
+<span class="sourceLineNo">324</span> cleanSeqId = true;<a
name="line.324"></a>
+<span class="sourceLineNo">325</span> }<a name="line.325"></a>
+<span class="sourceLineNo">326</span> writer =
sinkFactory.createWriter(scanner, fd, dropCache);<a name="line.326"></a>
+<span class="sourceLineNo">327</span> finished = performCompaction(fd,
scanner, writer, smallestReadPoint, cleanSeqId,<a name="line.327"></a>
+<span class="sourceLineNo">328</span> throughputController,
request.isAllFiles(), request.getFiles().size());<a name="line.328"></a>
+<span class="sourceLineNo">329</span> if (!finished) {<a
name="line.329"></a>
+<span class="sourceLineNo">330</span> throw new
InterruptedIOException("Aborting compaction of store " + store + " in region
"<a name="line.330"></a>
+<span class="sourceLineNo">331</span> +
store.getRegionInfo().getRegionNameAsString() + " because it was
interrupted.");<a name="line.331"></a>
+<span class="sourceLineNo">332</span> }<a name="line.332"></a>
+<span class="sourceLineNo">333</span> } finally {<a name="line.333"></a>
+<span class="sourceLineNo">334</span> Closeables.close(scanner, true);<a
name="line.334"></a>
+<span class="sourceLineNo">335</span> if (!finished && writer !=
null) {<a name="line.335"></a>
+<span class="sourceLineNo">336</span> abortWriter(writer);<a
name="line.336"></a>
+<span class="sourceLineNo">337</span> }<a name="line.337"></a>
+<span class="sourceLineNo">338</span> }<a name="line.338"></a>
+<span class="sourceLineNo">339</span> assert finished : "We should have
exited the method on all error paths";<a name="line.339"></a>
+<span class="sourceLineNo">340</span> assert writer != null : "Writer
should be non-null if no error";<a name="line.340"></a>
+<span class="sourceLineNo">341</span> return commitWriter(writer, fd,
request);<a name="line.341"></a>
+<span class="sourceLineNo">342</span> }<a name="line.342"></a>
+<span class="sourceLineNo">343</span><a name="line.343"></a>
+<span class="sourceLineNo">344</span> protected abstract List<Path>
commitWriter(T writer, FileDetails fd,<a name="line.344"></a>
+<span class="sourceLineNo">345</span> CompactionRequestImpl request)
throws IOException;<a name="line.345"></a>
<span class="sourceLineNo">346</span><a name="line.346"></a>
-<span class="sourceLineNo">347</span> /**<a name="line.347"></a>
-<span class="sourceLineNo">348</span> * Performs the compaction.<a
name="line.348"></a>
-<span class="sourceLineNo">349</span> * @param fd FileDetails of cell sink
writer<a name="line.349"></a>
-<span class="sourceLineNo">350</span> * @param scanner Where to read from.<a
name="line.350"></a>
-<span class="sourceLineNo">351</span> * @param writer Where to write to.<a
name="line.351"></a>
-<span class="sourceLineNo">352</span> * @param smallestReadPoint Smallest
read point.<a name="line.352"></a>
-<span class="sourceLineNo">353</span> * @param cleanSeqId When true, remove
seqId(used to be mvcc) value which is &lt;=<a name="line.353"></a>
-<span class="sourceLineNo">354</span> * smallestReadPoint<a
name="line.354"></a>
-<span class="sourceLineNo">355</span> * @param major Is a major
compaction.<a name="line.355"></a>
-<span class="sourceLineNo">356</span> * @param numofFilesToCompact the
number of files to compact<a name="line.356"></a>
-<span class="sourceLineNo">357</span> * @return Whether compaction ended;
false if it was interrupted for some reason.<a name="line.357"></a>
-<span class="sourceLineNo">358</span> */<a name="line.358"></a>
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performCompaction(FileDetails fd, InternalScanner scanner, CellSink writer,<a
name="line.359"></a>
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cleanSeqId, ThroughputController throughputController,<a name="line.360"></a>
-<span class="sourceLineNo">361</span> boolean major, int
numofFilesToCompact) throws IOException {<a name="line.361"></a>
-<span class="sourceLineNo">362</span> assert writer instanceof
ShipperListener;<a name="line.362"></a>
-<span class="sourceLineNo">363</span> long
bytesWrittenProgressForCloseCheck = 0;<a name="line.363"></a>
-<span class="sourceLineNo">364</span> long bytesWrittenProgressForLog =
0;<a name="line.364"></a>
-<span class="sourceLineNo">365</span> long
bytesWrittenProgressForShippedCall = 0;<a name="line.365"></a>
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'false' but still be delivering data,<a name="line.366"></a>
-<span class="sourceLineNo">367</span> // we have to use a do/while loop.<a
name="line.367"></a>
-<span class="sourceLineNo">368</span> List<Cell> cells = new
ArrayList<>();<a name="line.368"></a>
-<span class="sourceLineNo">369</span> long closeCheckSizeLimit =
HStore.getCloseCheckInterval();<a name="line.369"></a>
-<span class="sourceLineNo">370</span> long lastMillis = 0;<a
name="line.370"></a>
-<span class="sourceLineNo">371</span> if (LOG.isDebugEnabled()) {<a
name="line.371"></a>
-<span class="sourceLineNo">372</span> lastMillis =
EnvironmentEdgeManager.currentTime();<a name="line.372"></a>
-<span class="sourceLineNo">373</span> }<a name="line.373"></a>
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ThroughputControlUtil.getNameForThrottling(store, "compaction");<a
name="line.374"></a>
-<span class="sourceLineNo">375</span> long now = 0;<a name="line.375"></a>
-<span class="sourceLineNo">376</span> boolean hasMore;<a
name="line.376"></a>
-<span class="sourceLineNo">377</span> ScannerContext scannerContext =<a
name="line.377"></a>
-<span class="sourceLineNo">378</span>
ScannerContext.newBuilder().setBatchLimit(compactionKVMax).build();<a
name="line.378"></a>
-<span class="sourceLineNo">379</span><a name="line.379"></a>
-<span class="sourceLineNo">380</span>
throughputController.start(compactionName);<a name="line.380"></a>
-<span class="sourceLineNo">381</span> KeyValueScanner kvs = (scanner
instanceof KeyValueScanner)? (KeyValueScanner)scanner : null;<a
name="line.381"></a>
-<span class="sourceLineNo">382</span> long shippedCallSizeLimit = (long)
numofFilesToCompact * this.store.getColumnFamilyDescriptor().getBlocksize();<a
name="line.382"></a>
-<span class="sourceLineNo">383</span> try {<a name="line.383"></a>
-<span class="sourceLineNo">384</span> do {<a name="line.384"></a>
-<span class="sourceLineNo">385</span> hasMore = scanner.next(cells,
scannerContext);<a name="line.385"></a>
-<span class="sourceLineNo">386</span> if (LOG.isDebugEnabled()) {<a
name="line.386"></a>
-<span class="sourceLineNo">387</span> now =
EnvironmentEdgeManager.currentTime();<a name="line.387"></a>
-<span class="sourceLineNo">388</span> }<a name="line.388"></a>
-<span class="sourceLineNo">389</span> // output to writer:<a
name="line.389"></a>
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name="line.390"></a>
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name="line.391"></a>
-<span class="sourceLineNo">392</span> for (Cell c : cells) {<a
name="line.392"></a>
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c.getSequenceId() <= smallestReadPoint) {<a name="line.393"></a>
-<span class="sourceLineNo">394</span> lastCleanCell = c;<a
name="line.394"></a>
-<span class="sourceLineNo">395</span> lastCleanCellSeqId =
c.getSequenceId();<a name="line.395"></a>
-<span class="sourceLineNo">396</span>
PrivateCellUtil.setSequenceId(c, 0);<a name="line.396"></a>
-<span class="sourceLineNo">397</span> } else {<a name="line.397"></a>
-<span class="sourceLineNo">398</span> lastCleanCell = null;<a
name="line.398"></a>
-<span class="sourceLineNo">399</span> lastCleanCellSeqId = 0;<a
name="line.399"></a>
-<span class="sourceLineNo">400</span> }<a name="line.400"></a>
-<span class="sourceLineNo">401</span> writer.append(c);<a
name="line.401"></a>
-<span class="sourceLineNo">402</span> int len =
KeyValueUtil.length(c);<a name="line.402"></a>
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++progress.currentCompactedKVs;<a name="line.403"></a>
-<span class="sourceLineNo">404</span> progress.totalCompactedSize +=
len;<a name="line.404"></a>
-<span class="sourceLineNo">405</span>
bytesWrittenProgressForShippedCall += len;<a name="line.405"></a>
-<span class="sourceLineNo">406</span> if (LOG.isDebugEnabled()) {<a
name="line.406"></a>
-<span class="sourceLineNo">407</span> bytesWrittenProgressForLog +=
len;<a name="line.407"></a>
-<span class="sourceLineNo">408</span> }<a name="line.408"></a>
-<span class="sourceLineNo">409</span>
throughputController.control(compactionName, len);<a name="line.409"></a>
-<span class="sourceLineNo">410</span> // check periodically to see if
a system stop is requested<a name="line.410"></a>
-<span class="sourceLineNo">411</span> if (closeCheckSizeLimit > 0)
{<a name="line.411"></a>
-<span class="sourceLineNo">412</span>
bytesWrittenProgressForCloseCheck += len;<a name="line.412"></a>
-<span class="sourceLineNo">413</span> if
(bytesWrittenProgressForCloseCheck > closeCheckSizeLimit) {<a
name="line.413"></a>
-<span class="sourceLineNo">414</span>
bytesWrittenProgressForCloseCheck = 0;<a name="line.414"></a>
-<span class="sourceLineNo">415</span> if
(!store.areWritesEnabled()) {<a name="line.415"></a>
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name="line.416"></a>
-<span class="sourceLineNo">417</span> return false;<a
name="line.417"></a>
-<span class="sourceLineNo">418</span> }<a name="line.418"></a>
-<span class="sourceLineNo">419</span> }<a name="line.419"></a>
-<span class="sourceLineNo">420</span> }<a name="line.420"></a>
-<span class="sourceLineNo">421</span> if (kvs != null &&
bytesWrittenProgressForShippedCall > shippedCallSizeLimit) {<a
name="line.421"></a>
-<span class="sourceLineNo">422</span> if (lastCleanCell != null)
{<a name="line.422"></a>
-<span class="sourceLineNo">423</span> // HBASE-16931, set back
sequence id to avoid affecting scan order unexpectedly.<a name="line.423"></a>
-<span class="sourceLineNo">424</span> // ShipperListener will do
a clone of the last cells it refer, so need to set back<a name="line.424"></a>
-<span class="sourceLineNo">425</span> // sequence id before
ShipperListener.beforeShipped<a name="line.425"></a>
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PrivateCellUtil.setSequenceId(lastCleanCell, lastCleanCellSeqId);<a
name="line.426"></a>
-<span class="sourceLineNo">427</span> }<a name="line.427"></a>
-<span class="sourceLineNo">428</span> // Clone the cells that are
in the writer so that they are freed of references,<a name="line.428"></a>
-<span class="sourceLineNo">429</span> // if they are holding any.<a
name="line.429"></a>
-<span class="sourceLineNo">430</span>
((ShipperListener)writer).beforeShipped();<a name="line.430"></a>
-<span class="sourceLineNo">431</span> // The SHARED block
references, being read for compaction, will be kept in prevBlocks<a
name="line.431"></a>
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HFileScannerImpl#prevBlocks). In case of scan flow, after each set of cells<a
name="line.432"></a>
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we will call shipped() which can clear this list. Here by<a name="line.433"></a>
-<span class="sourceLineNo">434</span> // we are doing the similar
thing. In between the compaction (after every N cells<a name="line.434"></a>
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size of 'shippedCallSizeLimit') we will call shipped which<a
name="line.435"></a>
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list.<a name="line.436"></a>
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name="line.437"></a>
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bytesWrittenProgressForShippedCall = 0;<a name="line.438"></a>
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name="line.441"></a>
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sequence id to avoid affecting scan order unexpectedly<a name="line.442"></a>
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PrivateCellUtil.setSequenceId(lastCleanCell, lastCleanCellSeqId);<a
name="line.443"></a>
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running compactions every minute if<a name="line.445"></a>
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name="line.446"></a>
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name="line.447"></a>
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COMPACTION_PROGRESS_LOG_INTERVAL) {<a name="line.448"></a>
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progress: "<a name="line.449"></a>
-<span class="sourceLineNo">450</span> + compactionName<a
name="line.450"></a>
-<span class="sourceLineNo">451</span> + " "<a
name="line.451"></a>
-<span class="sourceLineNo">452</span> + progress<a
name="line.452"></a>
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rate=%.2f kB/sec", (bytesWrittenProgressForLog / 1024.0)<a name="line.453"></a>
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/ 1000.0)) + ", throughputController is "<a name="line.454"></a>
-<span class="sourceLineNo">455</span> +
throughputController);<a name="line.455"></a>
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name="line.456"></a>
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InterruptedIOException("Interrupted while control throughput of compacting "<a
name="line.464"></a>
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name="line.465"></a>
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throughputController.finish(compactionName);<a name="line.467"></a>
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scanners.<a name="line.475"></a>
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name="line.476"></a>
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MVCC read point.<a name="line.477"></a>
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createScanner(HStore store, ScanInfo scanInfo,<a name="line.481"></a>
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IOException {<a name="line.483"></a>
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scanners.<a name="line.489"></a>
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MVCC read point.<a name="line.490"></a>
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across all files.<a name="line.491"></a>
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deletes starting with this row, inclusive. Can be null.<a name="line.492"></a>
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ending with this row, exclusive. Can be null.<a name="line.493"></a>
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name="line.494"></a>
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createScanner(HStore store, ScanInfo scanInfo,<a name="line.496"></a>
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scanners, long smallestReadPoint, long earliestPutTs,<a name="line.497"></a>
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dropDeletesToRow) throws IOException {<a name="line.498"></a>
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scanInfo, scanners, smallestReadPoint, earliestPutTs,<a name="line.499"></a>
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dropDeletesToRow);<a name="line.500"></a>
-<span class="sourceLineNo">501</span> }<a name="line.501"></a>
-<span class="sourceLineNo">502</span>}<a name="line.502"></a>
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writer) throws IOException;<a name="line.347"></a>
+<span class="sourceLineNo">348</span><a name="line.348"></a>
+<span class="sourceLineNo">349</span> /**<a name="line.349"></a>
+<span class="sourceLineNo">350</span> * Performs the compaction.<a
name="line.350"></a>
+<span class="sourceLineNo">351</span> * @param fd FileDetails of cell sink
writer<a name="line.351"></a>
+<span class="sourceLineNo">352</span> * @param scanner Where to read from.<a
name="line.352"></a>
+<span class="sourceLineNo">353</span> * @param writer Where to write to.<a
name="line.353"></a>
+<span class="sourceLineNo">354</span> * @param smallestReadPoint Smallest
read point.<a name="line.354"></a>
+<span class="sourceLineNo">355</span> * @param cleanSeqId When true, remove
seqId(used to be mvcc) value which is &lt;=<a name="line.355"></a>
+<span class="sourceLineNo">356</span> * smallestReadPoint<a
name="line.356"></a>
+<span class="sourceLineNo">357</span> * @param major Is a major
compaction.<a name="line.357"></a>
+<span class="sourceLineNo">358</span> * @param numofFilesToCompact the
number of files to compact<a name="line.358"></a>
+<span class="sourceLineNo">359</span> * @return Whether compaction ended;
false if it was interrupted for some reason.<a name="line.359"></a>
+<span class="sourceLineNo">360</span> */<a name="line.360"></a>
+<span class="sourceLineNo">361</span> protected boolean
performCompaction(FileDetails fd, InternalScanner scanner, CellSink writer,<a
name="line.361"></a>
+<span class="sourceLineNo">362</span> long smallestReadPoint, boolean
cleanSeqId, ThroughputController throughputController,<a name="line.362"></a>
+<span class="sourceLineNo">363</span> boolean major, int
numofFilesToCompact) throws IOException {<a name="line.363"></a>
+<span class="sourceLineNo">364</span> assert writer instanceof
ShipperListener;<a name="line.364"></a>
+<span class="sourceLineNo">365</span> long
bytesWrittenProgressForCloseCheck = 0;<a name="line.365"></a>
+<span class="sourceLineNo">366</span> long bytesWrittenProgressForLog =
0;<a name="line.366"></a>
+<span class="sourceLineNo">367</span> long
bytesWrittenProgressForShippedCall = 0;<a name="line.367"></a>
+<span class="sourceLineNo">368</span> // Since scanner.next() can return
'false' but still be delivering data,<a name="line.368"></a>
+<span class="sourceLineNo">369</span> // we have to use a do/while loop.<a
name="line.369"></a>
+<span class="sourceLineNo">370</span> List<Cell> cells = new
ArrayList<>();<a name="line.370"></a>
+<span class="sourceLineNo">371</span> long closeCheckSizeLimit =
HStore.getCloseCheckInterval();<a name="line.371"></a>
+<span class="sourceLineNo">372</span> long lastMillis = 0;<a
name="line.372"></a>
+<span class="sourceLineNo">373</span> if (LOG.isDebugEnabled()) {<a
name="line.373"></a>
+<span class="sourceLineNo">374</span> lastMillis =
EnvironmentEdgeManager.currentTime();<a name="line.374"></a>
+<span class="sourceLineNo">375</span> }<a name="line.375"></a>
+<span class="sourceLineNo">376</span> String compactionName =
ThroughputControlUtil.getNameForThrottling(store, "compaction");<a
name="line.376"></a>
+<span class="sourceLineNo">377</span> long now = 0;<a name="line.377"></a>
+<span class="sourceLineNo">378</span> boolean hasMore;<a
name="line.378"></a>
+<span class="sourceLineNo">379</span> ScannerContext scannerContext =<a
name="line.379"></a>
+<span class="sourceLineNo">380</span>
ScannerContext.newBuilder().setBatchLimit(compactionKVMax).build();<a
name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span>
throughputController.start(compactionName);<a name="line.382"></a>
+<span class="sourceLineNo">383</span> KeyValueScanner kvs = (scanner
instanceof KeyValueScanner)? (KeyValueScanner)scanner : null;<a
name="line.383"></a>
+<span class="sourceLineNo">384</span> long shippedCallSizeLimit = (long)
numofFilesToCompact * this.store.getColumnFamilyDescriptor().getBlocksize();<a
name="line.384"></a>
+<span class="sourceLineNo">385</span> try {<a name="line.385"></a>
+<span class="sourceLineNo">386</span> do {<a name="line.386"></a>
+<span class="sourceLineNo">387</span> hasMore = scanner.next(cells,
scannerContext);<a name="line.387"></a>
+<span class="sourceLineNo">388</span> if (LOG.isDebugEnabled()) {<a
name="line.388"></a>
+<span class="sourceLineNo">389</span> now =
EnvironmentEdgeManager.currentTime();<a name="line.389"></a>
+<span class="sourceLineNo">390</span> }<a name="line.390"></a>
+<span class="sourceLineNo">391</span> // output to writer:<a
name="line.391"></a>
+<span class="sourceLineNo">392</span> Cell lastCleanCell = null;<a
name="line.392"></a>
+<span class="sourceLineNo">393</span> long lastCleanCellSeqId = 0;<a
name="line.393"></a>
+<span class="sourceLineNo">394</span> for (Cell c : cells) {<a
name="line.394"></a>
+<span class="sourceLineNo">395</span> if (cleanSeqId &&
c.getSequenceId() <= smallestReadPoint) {<a name="line.395"></a>
+<span class="sourceLineNo">396</span> lastCleanCell = c;<a
name="line.396"></a>
+<span class="sourceLineNo">397</span> lastCleanCellSeqId =
c.getSequenceId();<a name="line.397"></a>
+<span class="sourceLineNo">398</span>
PrivateCellUtil.setSequenceId(c, 0);<a name="line.398"></a>
+<span class="sourceLineNo">399</span> } else {<a name="line.399"></a>
+<span class="sourceLineNo">400</span> lastCleanCell = null;<a
name="line.400"></a>
+<span class="sourceLineNo">401</span> lastCleanCellSeqId = 0;<a
name="line.401"></a>
+<span class="sourceLineNo">402</span> }<a name="line.402"></a>
+<span class="sourceLineNo">403</span> writer.append(c);<a
name="line.403"></a>
+<span class="sourceLineNo">404</span> int len =
KeyValueUtil.length(c);<a name="line.404"></a>
+<span class="sourceLineNo">405</span>
++progress.currentCompactedKVs;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> progress.totalCompactedSize +=
len;<a name="line.406"></a>
+<span class="sourceLineNo">407</span>
bytesWrittenProgressForShippedCall += len;<a name="line.407"></a>
+<span class="sourceLineNo">408</span> if (LOG.isDebugEnabled()) {<a
name="line.408"></a>
+<span class="sourceLineNo">409</span> bytesWrittenProgressForLog +=
len;<a name="line.409"></a>
+<span class="sourceLineNo">410</span> }<a name="line.410"></a>
+<span class="sourceLineNo">411</span>
throughputController.control(compactionName, len);<a name="line.411"></a>
+<span class="sourceLineNo">412</span> // check periodically to see if
a system stop is requested<a name="line.412"></a>
+<span class="sourceLineNo">413</span> if (closeCheckSizeLimit > 0)
{<a name="line.413"></a>
+<span class="sourceLineNo">414</span>
bytesWrittenProgressForCloseCheck += len;<a name="line.414"></a>
+<span class="sourceLineNo">415</span> if
(bytesWrittenProgressForCloseCheck > closeCheckSizeLimit) {<a
name="line.415"></a>
+<span class="sourceLineNo">416</span>
bytesWrittenProgressForCloseCheck = 0;<a name="line.416"></a>
+<span class="sourceLineNo">417</span> if
(!store.areWritesEnabled()) {<a name="line.417"></a>
+<span class="sourceLineNo">418</span> progress.cancel();<a
name="line.418"></a>
+<span class="sourceLineNo">419</span> return false;<a
name="line.419"></a>
+<span class="sourceLineNo">420</span> }<a name="line.420"></a>
+<span class="sourceLineNo">421</span> }<a name="line.421"></a>
+<span class="sourceLineNo">422</span> }<a name="line.422"></a>
+<span class="sourceLineNo">423</span> if (kvs != null &&
bytesWrittenProgressForShippedCall > shippedCallSizeLimit) {<a
name="line.423"></a>
+<span class="sourceLineNo">424</span> if (lastCleanCell != null)
{<a name="line.424"></a>
+<span class="sourceLineNo">425</span> // HBASE-16931, set back
sequence id to avoid affecting scan order unexpectedly.<a name="line.425"></a>
+<span class="sourceLineNo">426</span> // ShipperListener will do
a clone of the last cells it refer, so need to set back<a name="line.426"></a>
+<span class="sourceLineNo">427</span> // sequence id before
ShipperListener.beforeShipped<a name="line.427"></a>
+<span class="sourceLineNo">428</span>
PrivateCellUtil.setSequenceId(lastCleanCell, lastCleanCellSeqId);<a
name="line.428"></a>
+<span class="sourceLineNo">429</span> }<a name="line.429"></a>
+<span class="sourceLineNo">430</span> // Clone the cells that are
in the writer so that they are freed of references,<a name="line.430"></a>
+<span class="sourceLineNo">431</span> // if they are holding any.<a
name="line.431"></a>
+<span class="sourceLineNo">432</span>
((ShipperListener)writer).beforeShipped();<a name="line.432"></a>
+<span class="sourceLineNo">433</span> // The SHARED block
references, being read for compaction, will be kept in prevBlocks<a
name="line.433"></a>
+<span class="sourceLineNo">434</span> // list(See
HFileScannerImpl#prevBlocks). In case of scan flow, after each set of cells<a
name="line.434"></a>
+<span class="sourceLineNo">435</span> // being returned to client,
we will call shipped() which can clear this list. Here by<a name="line.435"></a>
+<span class="sourceLineNo">436</span> // we are doing the similar
thing. In between the compaction (after every N cells<a name="line.436"></a>
+<span class="sourceLineNo">437</span> // written with collective
size of 'shippedCallSizeLimit') we will call shipped which<a
name="line.437"></a>
+<span class="sourceLineNo">438</span> // may clear prevBlocks
list.<a name="line.438"></a>
+<span class="sourceLineNo">439</span> kvs.shipped();<a
name="line.439"></a>
+<span class="sourceLineNo">440</span>
bytesWrittenProgressForShippedCall = 0;<a name="line.440"></a>
+<span class="sourceLineNo">441</span> }<a name="line.441"></a>
+<span class="sourceLineNo">442</span> }<a name="line.442"></a>
+<span class="sourceLineNo">443</span> if (lastCleanCell != null) {<a
name="line.443"></a>
+<span class="sourceLineNo">444</span> // HBASE-16931, set back
sequence id to avoid affecting scan order unexpectedly<a name="line.444"></a>
+<span class="sourceLineNo">445</span>
PrivateCellUtil.setSequenceId(lastCleanCell, lastCleanCellSeqId);<a
name="line.445"></a>
+<span class="sourceLineNo">446</span> }<a name="line.446"></a>
+<span class="sourceLineNo">447</span> // Log the progress of long
running compactions every minute if<a name="line.447"></a>
+<span class="sourceLineNo">448</span> // logging at DEBUG level<a
name="line.448"></a>
+<span class="sourceLineNo">449</span> if (LOG.isDebugEnabled()) {<a
name="line.449"></a>
+<span class="sourceLineNo">450</span> if ((now - lastMillis) >=
COMPACTION_PROGRESS_LOG_INTERVAL) {<a name="line.450"></a>
+<span class="sourceLineNo">451</span> LOG.debug("Compaction
progress: "<a name="line.451"></a>
+<span class="sourceLineNo">452</span> + compactionName<a
name="line.452"></a>
+<span class="sourceLineNo">453</span> + " "<a
name="line.453"></a>
+<span class="sourceLineNo">454</span> + progress<a
name="line.454"></a>
+<span class="sourceLineNo">455</span> + String.format(",
rate=%.2f kB/sec", (bytesWrittenProgressForLog / 1024.0)<a name="line.455"></a>
+<span class="sourceLineNo">456</span> / ((now - lastMillis)
/ 1000.0)) + ", throughputController is "<a name="line.456"></a>
+<span class="sourceLineNo">457</span> +
throughputController);<a name="line.457"></a>
+<span class="sourceLineNo">458</span> lastMillis = now;<a
name="line.458"></a>
+<span class="sourceLineNo">459</span> bytesWrittenProgressForLog =
0;<a name="line.459"></a>
+<span class="sourceLineNo">460</span> }<a name="line.460"></a>
+<span class="sourceLineNo">461</span> }<a name="line.461"></a>
+<span class="sourceLineNo">462</span> cells.clear();<a
name="line.462"></a>
+<span class="sourceLineNo">463</span> } while (hasMore);<a
name="line.463"></a>
+<span class="sourceLineNo">464</span> } catch (InterruptedException e) {<a
name="line.464"></a>
+<span class="sourceLineNo">465</span> progress.cancel();<a
name="line.465"></a>
+<span class="sourceLineNo">466</span> throw new
InterruptedIOException("Interrupted while control throughput of compacting "<a
name="line.466"></a>
+<span class="sourceLineNo">467</span> + compactionName);<a
name="line.467"></a>
+<span class="sourceLineNo">468</span> } finally {<a name="line.468"></a>
+<span class="sourceLineNo">469</span>
throughputController.finish(compactionName);<a name="line.469"></a>
+<span class="sourceLineNo">470</span> }<a name="line.470"></a>
+<span class="sourceLineNo">471</span> progress.complete();<a
name="line.471"></a>
+<span class="sourceLineNo">472</span> return true;<a name="line.472"></a>
+<span class="sourceLineNo">473</span> }<a name="line.473"></a>
+<span class="sourceLineNo">474</span><a name="line.474"></a>
+<span class="sourceLineNo">475</span> /**<a name="line.475"></a>
+<span class="sourceLineNo">476</span> * @param store store<a
name="line.476"></a>
+<span class="sourceLineNo">477</span> * @param scanners Store file
scanners.<a name="line.477"></a>
+<span class="sourceLineNo">478</span> * @param scanType Scan type.<a
name="line.478"></a>
+<span class="sourceLineNo">479</span> * @param smallestReadPoint Smallest
MVCC read point.<a name="line.479"></a>
+<span class="sourceLineNo">480</span> * @param earliestPutTs Earliest put
across all files.<a name="line.480"></a>
+<span class="sourceLineNo">481</span> * @return A compaction scanner.<a
name="line.481"></a>
+<span class="sourceLineNo">482</span> */<a name="line.482"></a>
+<span class="sourceLineNo">483</span> protected InternalScanner
createScanner(HStore store, ScanInfo scanInfo,<a name="line.483"></a>
+<span class="sourceLineNo">484</span> List<StoreFileScanner>
scanners, ScanType scanType, long smallestReadPoint,<a name="line.484"></a>
+<span class="sourceLineNo">485</span> long earliestPutTs) throws
IOException {<a name="line.485"></a>
+<span class="sourceLineNo">486</span> return new StoreScanner(store,
scanInfo, scanners, scanType, smallestReadPoint, earliestPutTs);<a
name="line.486"></a>
+<span class="sourceLineNo">487</span> }<a name="line.487"></a>
+<span class="sourceLineNo">488</span><a name="line.488"></a>
+<span class="sourceLineNo">489</span> /**<a name="line.489"></a>
+<span class="sourceLineNo">490</span> * @param store The store.<a
name="line.490"></a>
+<span class="sourceLineNo">491</span> * @param scanners Store file
scanners.<a name="line.491"></a>
+<span class="sourceLineNo">492</span> * @param smallestReadPoint Smallest
MVCC read point.<a name="line.492"></a>
+<span class="sourceLineNo">493</span> * @param earliestPutTs Earliest put
across all files.<a name="line.493"></a>
+<span class="sourceLineNo">494</span> * @param dropDeletesFromRow Drop
deletes starting with this row, inclusive. Can be null.<a name="line.494"></a>
+<span class="sourceLineNo">495</span> * @param dropDeletesToRow Drop deletes
ending with this row, exclusive. Can be null.<a name="line.495"></a>
+<span class="sourceLineNo">496</span> * @return A compaction scanner.<a
name="line.496"></a>
+<span class="sourceLineNo">497</span> */<a name="line.497"></a>
+<span class="sourceLineNo">498</span> protected InternalScanner
createScanner(HStore store, ScanInfo scanInfo,<a name="line.498"></a>
+<span class="sourceLineNo">499</span> List<StoreFileScanner>
scanners, long smallestReadPoint, long earliestPutTs,<a name="line.499"></a>
+<span class="sourceLineNo">500</span> byte[] dropDeletesFromRow, byte[]
dropDeletesToRow) throws IOException {<a name="line.500"></a>
+<span class="sourceLineNo">501</span> return new StoreScanner(store,
scanInfo, scanners, smallestReadPoint, earliestPutTs,<a name="line.501"></a>
+<span class="sourceLineNo">502</span> dropDeletesFromRow,
dropDeletesToRow);<a name="line.502"></a>
+<span class="sourceLineNo">503</span> }<a name="line.503"></a>
+<span class="sourceLineNo">504</span>}<a name="line.504"></a>