Repository: hbase-site Updated Branches: refs/heads/asf-site c0a60b2a0 -> 41a7fcc53
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/41a7fcc5/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HStoreFile.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HStoreFile.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HStoreFile.html index 656314f..26d979d 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HStoreFile.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HStoreFile.html @@ -339,257 +339,260 @@ <span class="sourceLineNo">331</span> : OptionalLong.of(Bytes.toLong(bulkLoadTimestamp));<a name="line.331"></a> <span class="sourceLineNo">332</span> }<a name="line.332"></a> <span class="sourceLineNo">333</span><a name="line.333"></a> -<span class="sourceLineNo">334</span> @Override<a name="line.334"></a> -<span class="sourceLineNo">335</span> public HDFSBlocksDistribution getHDFSBlockDistribution() {<a name="line.335"></a> -<span class="sourceLineNo">336</span> return this.fileInfo.getHDFSBlockDistribution();<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> /**<a name="line.339"></a> -<span class="sourceLineNo">340</span> * Opens reader on this store file. Called by Constructor.<a name="line.340"></a> -<span class="sourceLineNo">341</span> * @throws IOException<a name="line.341"></a> -<span class="sourceLineNo">342</span> * @see #closeStoreFile(boolean)<a name="line.342"></a> -<span class="sourceLineNo">343</span> */<a name="line.343"></a> -<span class="sourceLineNo">344</span> private void open() throws IOException {<a name="line.344"></a> -<span class="sourceLineNo">345</span> if (this.reader != null) {<a name="line.345"></a> -<span class="sourceLineNo">346</span> throw new IllegalAccessError("Already open");<a name="line.346"></a> -<span class="sourceLineNo">347</span> }<a name="line.347"></a> -<span class="sourceLineNo">348</span><a name="line.348"></a> -<span class="sourceLineNo">349</span> // Open the StoreFile.Reader<a name="line.349"></a> -<span class="sourceLineNo">350</span> this.reader = fileInfo.open(this.fs, this.cacheConf, false, noReadahead ? 0L : -1L,<a name="line.350"></a> -<span class="sourceLineNo">351</span> primaryReplica, refCount, true);<a name="line.351"></a> -<span class="sourceLineNo">352</span><a name="line.352"></a> -<span class="sourceLineNo">353</span> // Load up indices and fileinfo. This also loads Bloom filter type.<a name="line.353"></a> -<span class="sourceLineNo">354</span> metadataMap = Collections.unmodifiableMap(this.reader.loadFileInfo());<a name="line.354"></a> +<span class="sourceLineNo">334</span> /**<a name="line.334"></a> +<span class="sourceLineNo">335</span> * @return the cached value of HDFS blocks distribution. The cached value is calculated when store<a name="line.335"></a> +<span class="sourceLineNo">336</span> * file is opened.<a name="line.336"></a> +<span class="sourceLineNo">337</span> */<a name="line.337"></a> +<span class="sourceLineNo">338</span> public HDFSBlocksDistribution getHDFSBlockDistribution() {<a name="line.338"></a> +<span class="sourceLineNo">339</span> return this.fileInfo.getHDFSBlockDistribution();<a name="line.339"></a> +<span class="sourceLineNo">340</span> }<a name="line.340"></a> +<span class="sourceLineNo">341</span><a name="line.341"></a> +<span class="sourceLineNo">342</span> /**<a name="line.342"></a> +<span class="sourceLineNo">343</span> * Opens reader on this store file. Called by Constructor.<a name="line.343"></a> +<span class="sourceLineNo">344</span> * @throws IOException<a name="line.344"></a> +<span class="sourceLineNo">345</span> * @see #closeStoreFile(boolean)<a name="line.345"></a> +<span class="sourceLineNo">346</span> */<a name="line.346"></a> +<span class="sourceLineNo">347</span> private void open() throws IOException {<a name="line.347"></a> +<span class="sourceLineNo">348</span> if (this.reader != null) {<a name="line.348"></a> +<span class="sourceLineNo">349</span> throw new IllegalAccessError("Already open");<a name="line.349"></a> +<span class="sourceLineNo">350</span> }<a name="line.350"></a> +<span class="sourceLineNo">351</span><a name="line.351"></a> +<span class="sourceLineNo">352</span> // Open the StoreFile.Reader<a name="line.352"></a> +<span class="sourceLineNo">353</span> this.reader = fileInfo.open(this.fs, this.cacheConf, false, noReadahead ? 0L : -1L,<a name="line.353"></a> +<span class="sourceLineNo">354</span> primaryReplica, refCount, true);<a name="line.354"></a> <span class="sourceLineNo">355</span><a name="line.355"></a> -<span class="sourceLineNo">356</span> // Read in our metadata.<a name="line.356"></a> -<span class="sourceLineNo">357</span> byte [] b = metadataMap.get(MAX_SEQ_ID_KEY);<a name="line.357"></a> -<span class="sourceLineNo">358</span> if (b != null) {<a name="line.358"></a> -<span class="sourceLineNo">359</span> // By convention, if halfhfile, top half has a sequence number > bottom<a name="line.359"></a> -<span class="sourceLineNo">360</span> // half. Thats why we add one in below. Its done for case the two halves<a name="line.360"></a> -<span class="sourceLineNo">361</span> // are ever merged back together --rare. Without it, on open of store,<a name="line.361"></a> -<span class="sourceLineNo">362</span> // since store files are distinguished by sequence id, the one half would<a name="line.362"></a> -<span class="sourceLineNo">363</span> // subsume the other.<a name="line.363"></a> -<span class="sourceLineNo">364</span> this.sequenceid = Bytes.toLong(b);<a name="line.364"></a> -<span class="sourceLineNo">365</span> if (fileInfo.isTopReference()) {<a name="line.365"></a> -<span class="sourceLineNo">366</span> this.sequenceid += 1;<a name="line.366"></a> -<span class="sourceLineNo">367</span> }<a name="line.367"></a> -<span class="sourceLineNo">368</span> }<a name="line.368"></a> -<span class="sourceLineNo">369</span><a name="line.369"></a> -<span class="sourceLineNo">370</span> if (isBulkLoadResult()){<a name="line.370"></a> -<span class="sourceLineNo">371</span> // generate the sequenceId from the fileName<a name="line.371"></a> -<span class="sourceLineNo">372</span> // fileName is of the form <randomName>_SeqId_<id-when-loaded>_<a name="line.372"></a> -<span class="sourceLineNo">373</span> String fileName = this.getPath().getName();<a name="line.373"></a> -<span class="sourceLineNo">374</span> // Use lastIndexOf() to get the last, most recent bulk load seqId.<a name="line.374"></a> -<span class="sourceLineNo">375</span> int startPos = fileName.lastIndexOf("SeqId_");<a name="line.375"></a> -<span class="sourceLineNo">376</span> if (startPos != -1) {<a name="line.376"></a> -<span class="sourceLineNo">377</span> this.sequenceid = Long.parseLong(fileName.substring(startPos + 6,<a name="line.377"></a> -<span class="sourceLineNo">378</span> fileName.indexOf('_', startPos + 6)));<a name="line.378"></a> -<span class="sourceLineNo">379</span> // Handle reference files as done above.<a name="line.379"></a> -<span class="sourceLineNo">380</span> if (fileInfo.isTopReference()) {<a name="line.380"></a> -<span class="sourceLineNo">381</span> this.sequenceid += 1;<a name="line.381"></a> -<span class="sourceLineNo">382</span> }<a name="line.382"></a> -<span class="sourceLineNo">383</span> }<a name="line.383"></a> -<span class="sourceLineNo">384</span> // SKIP_RESET_SEQ_ID only works in bulk loaded file.<a name="line.384"></a> -<span class="sourceLineNo">385</span> // In mob compaction, the hfile where the cells contain the path of a new mob file is bulk<a name="line.385"></a> -<span class="sourceLineNo">386</span> // loaded to hbase, these cells have the same seqIds with the old ones. 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This also loads Bloom filter type.<a name="line.356"></a> +<span class="sourceLineNo">357</span> metadataMap = Collections.unmodifiableMap(this.reader.loadFileInfo());<a name="line.357"></a> +<span class="sourceLineNo">358</span><a name="line.358"></a> +<span class="sourceLineNo">359</span> // Read in our metadata.<a name="line.359"></a> +<span class="sourceLineNo">360</span> byte [] b = metadataMap.get(MAX_SEQ_ID_KEY);<a name="line.360"></a> +<span class="sourceLineNo">361</span> if (b != null) {<a name="line.361"></a> +<span class="sourceLineNo">362</span> // By convention, if halfhfile, top half has a sequence number > bottom<a name="line.362"></a> +<span class="sourceLineNo">363</span> // half. Thats why we add one in below. Its done for case the two halves<a name="line.363"></a> +<span class="sourceLineNo">364</span> // are ever merged back together --rare. Without it, on open of store,<a name="line.364"></a> +<span class="sourceLineNo">365</span> // since store files are distinguished by sequence id, the one half would<a name="line.365"></a> +<span class="sourceLineNo">366</span> // subsume the other.<a name="line.366"></a> +<span class="sourceLineNo">367</span> this.sequenceid = Bytes.toLong(b);<a name="line.367"></a> +<span class="sourceLineNo">368</span> if (fileInfo.isTopReference()) {<a name="line.368"></a> +<span class="sourceLineNo">369</span> this.sequenceid += 1;<a name="line.369"></a> +<span class="sourceLineNo">370</span> }<a name="line.370"></a> +<span class="sourceLineNo">371</span> }<a name="line.371"></a> +<span class="sourceLineNo">372</span><a name="line.372"></a> +<span class="sourceLineNo">373</span> if (isBulkLoadResult()){<a name="line.373"></a> +<span class="sourceLineNo">374</span> // generate the sequenceId from the fileName<a name="line.374"></a> +<span class="sourceLineNo">375</span> // fileName is of the form <randomName>_SeqId_<id-when-loaded>_<a name="line.375"></a> +<span class="sourceLineNo">376</span> String fileName = this.getPath().getName();<a name="line.376"></a> +<span class="sourceLineNo">377</span> // Use lastIndexOf() to get the last, most recent bulk load seqId.<a name="line.377"></a> +<span class="sourceLineNo">378</span> int startPos = fileName.lastIndexOf("SeqId_");<a name="line.378"></a> +<span class="sourceLineNo">379</span> if (startPos != -1) {<a name="line.379"></a> +<span class="sourceLineNo">380</span> this.sequenceid = Long.parseLong(fileName.substring(startPos + 6,<a name="line.380"></a> +<span class="sourceLineNo">381</span> fileName.indexOf('_', startPos + 6)));<a name="line.381"></a> +<span class="sourceLineNo">382</span> // Handle reference files as done above.<a name="line.382"></a> +<span class="sourceLineNo">383</span> if (fileInfo.isTopReference()) {<a name="line.383"></a> +<span class="sourceLineNo">384</span> this.sequenceid += 1;<a name="line.384"></a> +<span class="sourceLineNo">385</span> }<a name="line.385"></a> +<span class="sourceLineNo">386</span> }<a name="line.386"></a> +<span class="sourceLineNo">387</span> // SKIP_RESET_SEQ_ID only works in bulk loaded file.<a name="line.387"></a> +<span class="sourceLineNo">388</span> // In mob compaction, the hfile where the cells contain the path of a new mob file is bulk<a name="line.388"></a> +<span class="sourceLineNo">389</span> // loaded to hbase, these cells have the same seqIds with the old ones. We do not want<a name="line.389"></a> +<span class="sourceLineNo">390</span> // to reset new seqIds for them since this might make a mess of the visibility of cells that<a name="line.390"></a> +<span class="sourceLineNo">391</span> // have the same row key but different seqIds.<a name="line.391"></a> +<span class="sourceLineNo">392</span> boolean skipResetSeqId = isSkipResetSeqId(metadataMap.get(SKIP_RESET_SEQ_ID));<a name="line.392"></a> +<span class="sourceLineNo">393</span> if (skipResetSeqId) {<a name="line.393"></a> +<span class="sourceLineNo">394</span> // increase the seqId when it is a bulk loaded file from mob compaction.<a name="line.394"></a> +<span class="sourceLineNo">395</span> this.sequenceid += 1;<a name="line.395"></a> +<span class="sourceLineNo">396</span> }<a name="line.396"></a> +<span class="sourceLineNo">397</span> this.reader.setSkipResetSeqId(skipResetSeqId);<a name="line.397"></a> +<span class="sourceLineNo">398</span> this.reader.setBulkLoaded(true);<a name="line.398"></a> +<span class="sourceLineNo">399</span> }<a name="line.399"></a> +<span class="sourceLineNo">400</span> this.reader.setSequenceID(this.sequenceid);<a name="line.400"></a> +<span class="sourceLineNo">401</span><a name="line.401"></a> +<span class="sourceLineNo">402</span> b = metadataMap.get(HFile.Writer.MAX_MEMSTORE_TS_KEY);<a name="line.402"></a> +<span class="sourceLineNo">403</span> if (b != null) {<a name="line.403"></a> +<span class="sourceLineNo">404</span> this.maxMemstoreTS = Bytes.toLong(b);<a name="line.404"></a> +<span class="sourceLineNo">405</span> }<a name="line.405"></a> +<span class="sourceLineNo">406</span><a name="line.406"></a> +<span class="sourceLineNo">407</span> b = metadataMap.get(MAJOR_COMPACTION_KEY);<a name="line.407"></a> +<span class="sourceLineNo">408</span> if (b != null) {<a name="line.408"></a> +<span class="sourceLineNo">409</span> boolean mc = Bytes.toBoolean(b);<a name="line.409"></a> +<span class="sourceLineNo">410</span> if (this.majorCompaction == null) {<a name="line.410"></a> +<span class="sourceLineNo">411</span> this.majorCompaction = new AtomicBoolean(mc);<a name="line.411"></a> +<span class="sourceLineNo">412</span> } else {<a name="line.412"></a> +<span class="sourceLineNo">413</span> this.majorCompaction.set(mc);<a name="line.413"></a> +<span class="sourceLineNo">414</span> }<a name="line.414"></a> +<span class="sourceLineNo">415</span> } else {<a name="line.415"></a> +<span class="sourceLineNo">416</span> // Presume it is not major compacted if it doesn't explicity say so<a name="line.416"></a> +<span class="sourceLineNo">417</span> // HFileOutputFormat explicitly sets the major compacted key.<a name="line.417"></a> +<span class="sourceLineNo">418</span> this.majorCompaction = new AtomicBoolean(false);<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> BloomType 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class="sourceLineNo">425</span> if (cfBloomType != BloomType.NONE) {<a name="line.425"></a> +<span class="sourceLineNo">426</span> reader.loadBloomfilter(BlockType.GENERAL_BLOOM_META);<a name="line.426"></a> +<span class="sourceLineNo">427</span> if (hfileBloomType != cfBloomType) {<a name="line.427"></a> +<span class="sourceLineNo">428</span> LOG.info("HFile Bloom filter type for "<a name="line.428"></a> +<span class="sourceLineNo">429</span> + reader.getHFileReader().getName() + ": " + hfileBloomType<a name="line.429"></a> +<span class="sourceLineNo">430</span> + ", but " + cfBloomType + " specified in column family "<a name="line.430"></a> +<span class="sourceLineNo">431</span> + "configuration");<a name="line.431"></a> +<span class="sourceLineNo">432</span> }<a name="line.432"></a> +<span class="sourceLineNo">433</span> } else if (hfileBloomType != BloomType.NONE) {<a name="line.433"></a> +<span class="sourceLineNo">434</span> LOG.info("Bloom filter turned off by CF config for "<a name="line.434"></a> +<span class="sourceLineNo">435</span> + reader.getHFileReader().getName());<a name="line.435"></a> +<span class="sourceLineNo">436</span> }<a name="line.436"></a> <span class="sourceLineNo">437</span><a name="line.437"></a> -<span class="sourceLineNo">438</span> try {<a name="line.438"></a> -<span class="sourceLineNo">439</span> this.reader.timeRange = TimeRangeTracker.getTimeRange(metadataMap.get(TIMERANGE_KEY));<a name="line.439"></a> -<span class="sourceLineNo">440</span> } catch (IllegalArgumentException e) {<a name="line.440"></a> -<span class="sourceLineNo">441</span> LOG.error("Error reading timestamp range data from meta -- " +<a name="line.441"></a> -<span class="sourceLineNo">442</span> "proceeding without", e);<a name="line.442"></a> -<span class="sourceLineNo">443</span> this.reader.timeRange = null;<a name="line.443"></a> -<span class="sourceLineNo">444</span> }<a name="line.444"></a> -<span class="sourceLineNo">445</span> // initialize so we can 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load delete family bloom filter<a name="line.438"></a> +<span class="sourceLineNo">439</span> reader.loadBloomfilter(BlockType.DELETE_FAMILY_BLOOM_META);<a name="line.439"></a> +<span class="sourceLineNo">440</span><a name="line.440"></a> +<span class="sourceLineNo">441</span> try {<a name="line.441"></a> +<span class="sourceLineNo">442</span> this.reader.timeRange = TimeRangeTracker.getTimeRange(metadataMap.get(TIMERANGE_KEY));<a name="line.442"></a> +<span class="sourceLineNo">443</span> } catch (IllegalArgumentException e) {<a name="line.443"></a> +<span class="sourceLineNo">444</span> LOG.error("Error reading timestamp range data from meta -- " +<a name="line.444"></a> +<span class="sourceLineNo">445</span> "proceeding without", e);<a name="line.445"></a> +<span class="sourceLineNo">446</span> this.reader.timeRange = null;<a name="line.446"></a> +<span class="sourceLineNo">447</span> }<a name="line.447"></a> +<span class="sourceLineNo">448</span> // initialize so we can reuse them 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