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<a href="https://github.com/couchbase/moss/commit/<a class=hub.com/couchbase/moss/commit/<a class="double-link" href="https://git"><a class=hub.com/couchbase/moss/commit/<a class="double-link" href="https://git"><a class=hub.com/couchbase/moss/commit/929cc75f09a3bec7da9f993b041fbd7c9a0daa92">929cc75f0">&lt;a href=&quot;https://github.com/couchbase/moss/commit/</a><a class="double-link" href="https://github.com/couchbase/moss/commit/&lt;a class=&quot;double-link&quot; href=&quot;https://git">&lt;a class=</a>hub.com/couchbase/moss/commit/929cc75f09a3bec7da9f993b041fbd7c9a0daa92">929cc75f0</a><a href="https://github.com/couchbase/moss/commit/929cc75f09a3bec7da9f993b041fbd7c9a0daa92">&lt;a href=&quot;https://github.com/couchbase/moss/commit/929cc75f09a3bec7da9f993b041fbd7c9a0daa92&quot;&gt;&amp;quot;&amp;gt;MB-29664 - provide &amp;amp;#39;base&amp;amp;#39; seg-stack during partial compactions

If the application is configured to use partial compaction and was
also using &amp;amp;#39;merge operators&amp;amp;#39;, then there could be data loss as the
merge-operators were incorrectly not provided values from older or
lower &amp;amp;#39;base&amp;amp;#39; segments.

IMPORTANT / NOTE -- Even with this commit, there is a remaining issue
with child collections and merge-operators, in the face of a partial
compactions.  Until there is a fix for that, for now applications who
are using merge-operators in their child-collections should configure
moss to only perform full compactions instead of partial compactions.

Change-Id: I&amp;lt;/a&amp;gt;&amp;lt;a class=&amp;quot;double-link&amp;quot; href=&amp;quot;https://github.com/couchbase/moss/commit/&lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/couchbase/moss/commit/81060b01b&quot;&gt;81060b01b&lt;/a&gt;&quot;&gt;81060b01b&lt;/a&gt;&lt;a href=&quot;https://github.com/couchbase/moss/commit/929cc75f09a3bec</a>7da9f993b041fbd7c9a0daa92">
Reviewed-on: http://review.couchbase.org/94262
Well-Formed: Build Bot &lt;build@couchbase.com&gt;
Reviewed-by: Sundar Sridharan &lt;sundar@couchbase.com&gt;
Tested-by: Steve Yen &lt;steve.yen@gmail.com&gt;</a>

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