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(version-3)</span></a></h1><table><thead><tr><th>PR#</th><th>Name</th><th>Author</th><th>Changes</th></tr></thead><tbody><tr><td>2263</td><td>Move memtable plan index from ChunkGroupFooter to a separate marker</td><td>jt2594838</td><td>Add min/max plan index after MetaMarker.OPERATION_INDEX_RANGE when a memtable is flush</td></tr><tr><td>2184</td><td>[IOTDB-1081] New TsFile Format</td><td>JackieTien97</td><td>Please see <a href="https://cwiki.apache.org/confluence/display/IOTDB/New+TsFile+Format" target="_blank" rel="noopener noreferrer">details<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a></td></tr><tr><td>2445</td><td>Remove versionInfo in Tsfile and get rid of versions in memtable</td><td>wshao08</td><td>Delete version info in TsFile</td></tr></tbody></table><h1 id="_0-9-x-version-1-0-10-x-version-2" tabindex="-1"><a class="header-anchor" href="#_0-9-x-version-1-0-10-x-version-2"><span>0.9.x (version-1) -&gt; 0.10.x (version-2)</span></a></h1><p>Last Updated on 2019-11-28 by Jialin Qiao.</p><table><thead><tr><th>PR#</th><th>Name</th><th>Author</th><th>Changes</th></tr></thead><tbody><tr><td>553</td><td>[IOTDB-279] Merge TsDigest into Statistics</td><td>jack870131</td><td>Merge the function of TsDigest into Statistics class, which TsDisgest is the ByteBuffer format of Statistics</td></tr><tr><td>587</td><td>[IOTDB-325] Refactor Statistics</td><td>qiaojialin</td><td>Move start time, end time, count in PageHeader and ChunkMetadata into Statistics; Remove maxTombstoneTime in ChunkHeader</td></tr><tr><td>855</td><td>[IOTDB-587] New TsFile version 2</td><td>HTHou</td><td>Remove ChunkGroupMetadata, store ChunkMetadata list by series, Add TimeseriesMetadata for each series</td></tr><tr><td>1024</td><td>[IOTDB-585] Fix recover version bug</td><td>qiaojialin</td><td>Add MetaMarker.VERSION and version behind each flushing memtable (flushAllChunkGroups)</td></tr><tr><td>1047</td><td>[IOTDB-593] Add metaOffset in TsFileMetadata</td><td>qiaojialin</td><td>Add metaOffset in TsFileMetadata</td></tr><tr><td>1100</td><td>[IOTDB-605] Add more levels of index in TsFileMetadata</td><td>sunzesong</td><td>Update the structure of deviceMetadata to a tree-level indexed TsFileMetadata</td></tr></tbody></table><h1 id="_0-8-0-0-9-x-version-1" tabindex="-1"><a class="header-anchor" href="#_0-8-0-0-9-x-version-1"><span>0.8.0 -&gt; 0.9.x (version-1)</span></a></h1><p>Last Updated on 2019-10-27 by Lei Rui.</p><table><thead><tr><th>PR#</th><th>Name</th><th>Author</th><th>Changes</th></tr></thead><tbody><tr><td>258</td><td>[IOTDB-143]Development of merge</td><td>jt2594838</td><td>Add totalChunkNum and invalidChunkNum to TsFileMetaData.</td></tr><tr><td>409</td><td>[IOTDB-165][TsFile] Delete a current version and add a number version and an exception.</td><td>Genius_pig</td><td>(1) Delete a current version in TsFileMetaData; <br>(2) Change the TsFile magic number from 12 bytes to: 6 bytes magic string (&quot;TsFile&quot;) + 6 bytes version number ({&quot;000001&quot;, &quot;000002&quot;, &quot;&quot;000003&quot;}) (&quot;v0.8.0&quot; is the first version (we treat it as &quot;000000&quot;));<br>(3) The tail of a TsFile only has &quot;TsFile&quot; magic string, without the version number.</td></tr><tr><td>466</td><td>[IOTDB-208] Bloom filter</td><td>SilverNarcissus</td><td>Add four fields for the bloom filter to TsFileMetaData: 1) bit vector byte array length, 2) bit vector byte array, 3) the number of bits, 4) the number of hash functions.</td></tr></tbody></table></div><!--[--><!----><!--]--><footer class="vp-page-meta"><div class="vp-meta-item edit-link"><a href="https://github.com/apache/iotdb-docs/edit/main/src/Development/format-changelist.md" rel="noopener noreferrer" target="_blank" aria-label="Found Error? 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