Import wiredtiger: 7aaeaaa054d1ac27a95c79984f7ca69ba739caae from branch mongodb-3.6

ref: 78109ca3fe..7aaeaaa054
for: 3.5.9

SERVER-28820  Recovery failed: WT_NOTFOUND: item not found
SERVER-28835  Fix a memory leak in WiredTiger on error when creating thread group
WT-2972       Add interface allowing partial updates to existing values
WT-3041       Failure of test_perf01 on PPC
WT-3063       Reserve records for read-modify-write
WT-3076       Add a general-purpose epoch manager
WT-3123       Thread group holding lock across thread join
WT-3142       Add a workload generator application
WT-3158       Fix structure layout on Windows.
WT-3160       Improve eviction of internal pages from idle trees
WT-3197       aarch64 CRC32C support fails to compile on non-linux ARM platforms
WT-3219       Make the clang-analyzer job fail when lint is introduced
WT-3222       Review and enhance log statistics
WT-3245       Avoid hangs on shutdown when a utility thread encounters an error
WT-3247       Test should exit instead of abort to avoid a core dump
WT-3248       Performance degradation in workload with large overflow items
WT-3253       txn07 test problem
WT-3258       Improve visibility into thread wait time due to pages exceeding memory_page_max
WT-3261       add a checkpoint epoch to avoid draining the eviction queue
WT-3262       Schema operations shouldn't wait for cache
WT-3263       Allow archive on restart/recovery if clean shutdown
WT-3264       Permanent change to disable logging should eventually remove all logs
WT-3265       Verify hits assertion in eviction when transiting handle to exclusive mode
WT-3266       Thread group deadlock
WT-3267       Upgrade copyright notices from 2016 to 2017.
WT-3268       Failure to close cursor can get wiredtiger stuck in a cursor-close loop
WT-3269       Miscellaneous cleanup changes
WT-3271       Eviction tuning stuck in a loop
WT-3275       stress test sanitizer failure
WT-3278       log the row-store cursor key instead of page key
WT-3281       stress test sanitizer failure
WT-3282       Stuck in conn cache pool destroy join
WT-3284       tree-walk restart bug
WT-3287       review WiredTiger internal panic checks
WT-3288       fix error codes for event_handler to be consistent in file operations
WT-3292       review/cleanup full-barrier calls in WiredTiger
WT-3293       Make internal symbols externally visible
WT-3296       LAS table fixes/improvements
WT-3297       support the gcc/clang -fvisibility=hidden flag
WT-3300       Coverity 1374542: Dereference after null check
WT-3302       Failure to create cache pool manager thread results in crash when destroying cache pool
WT-3303       Deadlock during first access to lookaside table
WT-3307       FI testing: segfault in python test test_bug013 when fault introduced reading turtle file
WT-3312       encryption btree configuration test
WT-3313       Replace calls to the deprecated LZ4_compress function
WT-3314       clarify error handling
WT-3327       Checkpoints can hang if time runs backward
WT-3331       Test format aborted due to time rollback
WT-3333       Make it possible to store 0 bytes into a 'u' format via Python
WT-3334       static test suite's BaseDataSet class has 'u' value format bugs
WT-3339       The CURSOR_UPDATE_API_CALL macro will dump core on a NULL btree handle
WT-3342       Create a new WiredTiger 2.9.2 release
WT-3343       WiredTiger database close can attempt unlock of a lock that's not held.
WT-3345       Improve rwlock scaling
WT-3348       Lint, Windows warnings.
WT-3351       Recovery assertion failure: old_lognum < lognum
WT-3354       Coverity issues 1375904-1375907
WT-3356       rwlock assertion failure on PPC

11 files changed, 73 insertions, 23 deletions

diff --git a/src/third_party/wiredtiger/src/docs/Doxyfile b/src/third_party/wiredtiger/src/docs/Doxyfile
index 3d8c46962f1..e7382e2bc5e 100644
--- a/src/third_party/wiredtiger/src/docs/Doxyfile
+++ b/src/third_party/wiredtiger/src/docs/Doxyfile
@@ -1582,6 +1582,7 @@ PREDEFINED             = DOXYGEN \
                          __wt_file_system:=WT_FILE_SYSTEM \
                          __wt_item:=WT_ITEM \
                          __wt_lsn:=WT_LSN \
+                         __wt_modify:=WT_MODIFY \
                          __wt_session:=WT_SESSION \
                          __wt_txn_notify:=WT_TXN_NOTIFY \
                          WT_HANDLE_CLOSED(x):=x \
diff --git a/src/third_party/wiredtiger/src/docs/build-javadoc.sh b/src/third_party/wiredtiger/src/docs/build-javadoc.sh
index be886937070..69cb1186467 100755
--- a/src/third_party/wiredtiger/src/docs/build-javadoc.sh
+++ b/src/third_party/wiredtiger/src/docs/build-javadoc.sh
@@ -8,5 +8,5 @@ CLASSPATH=$THRIFT_HOME/libthrift.jar:$SLF4J_JAR javadoc -public -d $DOCS/java \
 	-stylesheetfile $DOCS/style/javadoc.css \
 	-use -link http://java.sun.com/j2se/1.5.0/docs/api/ \
 	-header '<b>WiredTiger API</b><br><font size="-1"> version '$WT_VERSION'</font>' \
-	-windowtitle 'WiredTiger Java API' -bottom '<font size=1>Copyright (c) 2008-2016 MongoDB, Inc.  All rights reserved.</font>' \
+	-windowtitle 'WiredTiger Java API' -bottom '<font size=1>Copyright (c) 2008-2017 MongoDB, Inc.  All rights reserved.</font>' \
 	com.wiredtiger com.wiredtiger.util
diff --git a/src/third_party/wiredtiger/src/docs/error-handling.dox b/src/third_party/wiredtiger/src/docs/error-handling.dox
index 62be498fc15..eb9ca6bb82a 100644
--- a/src/third_party/wiredtiger/src/docs/error-handling.dox
+++ b/src/third_party/wiredtiger/src/docs/error-handling.dox
@@ -17,13 +17,18 @@ are thrown as \c WiredTigerException, which may be caught by the
 application.
 
 The \c WiredTigerRollbackException is a specific type of \c WiredTigerException,
-it is thrown when there is a conflict between concurrent operations.
+thrown when there is a conflict between concurrent operations.
 An application that catches this exception should call rollback() on
 the relevant transaction, and retry as necessary.
 
 The \c WiredTigerPanicException is a specific type of \c WiredTigerException,
-it is thrown when there is an underlying problem that requires the
-application to exit and restart.
+thrown when there is a fatal error requiring database restart. Applications
+will normally handle \c WiredTigerPanicException as a special case. A
+correctly-written WiredTiger application will likely catch
+\c WiredTigerPanicException and immediately exit or otherwise handle fatal
+errors. Note that no further WiredTiger calls are required after
+\c WiredTigerPanicException is caught (and further calls will themselves
+immediately fail).
 
 The following is a complete list of possible WiredTiger-specific
 return values, all constants defined in the com.wiredtiger.db.wiredtiger class:
@@ -47,7 +52,7 @@ This error is returned when an error is not covered by a specific error return.
 This error indicates an operation did not find a value to return. This includes cursor search and other operations where no record matched the cursor's search key such as WT_CURSOR::update or WT_CURSOR::remove.
 
 @par <code>WT_PANIC</code>
-This error indicates an underlying problem that requires the application exit and restart. The application can exit immediately when \c WT_PANIC is returned from a WiredTiger interface, no further WiredTiger calls are required.
+This error indicates an underlying problem that requires a database restart. The application may exit immediately, no further WiredTiger calls are required (and further calls will themselves immediately fail).
 
 @par <code>WT_RUN_RECOVERY</code>
 This error is generated when wiredtiger_open is configured to return an error if recovery is required to use the database.
@@ -73,7 +78,7 @@ Note that ::wiredtiger_strerror is not thread-safe.
 @m_if{c}
 @section error_handling_event Error handling using the WT_EVENT_HANDLER
 
-More complex error handling can be configured by passing an implementation
+Specific error handling can be configured by passing an implementation
 of WT_EVENT_HANDLER to ::wiredtiger_open or WT_CONNECTION::open_session.
 
 For example, both informational and error messages might be passed to an
@@ -81,6 +86,17 @@ application-specific logging function that added a timestamp and logged
 the message to a file, and error messages might additionally be output to
 the \c stderr file stream.
 
+Additionally, applications will normally handle \c WT_PANIC as a special
+case.  WiredTiger will always call the error handler callback with
+\c WT_PANIC in the case of a fatal error requiring database restart,
+however, WiredTiger cannot guarantee applications will see an application
+thread return \c WT_PANIC from a WiredTiger API call. For this reason, a
+correctly-written WiredTiger application will likely specify at least an
+error handler which will immediately exit or otherwise handle fatal errors.
+Note that no further WiredTiger calls are required after an error handler
+is called with \c WT_PANIC (and further calls will themselves immediately
+fail).
+
 @snippet ex_event_handler.c Function event_handler
 @snippet ex_event_handler.c Configure event_handler
 
diff --git a/src/third_party/wiredtiger/src/docs/programming.dox b/src/third_party/wiredtiger/src/docs/programming.dox
index aa76bef4614..205e7544c6c 100644
--- a/src/third_party/wiredtiger/src/docs/programming.dox
+++ b/src/third_party/wiredtiger/src/docs/programming.dox
@@ -65,19 +65,20 @@ each of which is ordered by one or more columns.
 - @subpage_single wtperf
 - @subpage_single wtstats
 <p>
-- @subpage_single tune_memory_allocator
-- @subpage_single tune_page_size_and_comp
-- @subpage_single tune_cache
+- @subpage_single tune_build_options
 - @subpage_single tune_bulk_load
+- @subpage_single tune_cache
+- @subpage_single tune_checksum
+- @subpage_single tune_close
 - @subpage_single tune_cursor_persist
-- @subpage_single tune_read_only
 - @subpage_single tune_durability
-- @subpage_single tune_checksum
 - @subpage_single tune_file_alloc
+- @subpage_single tune_memory_allocator
+- @subpage_single tune_mutex
+- @subpage_single tune_page_size_and_comp
+- @subpage_single tune_read_only
 - @subpage_single tune_system_buffer_cache
 - @subpage_single tune_transparent_huge_pages
-- @subpage_single tune_close
-- @subpage_single tune_mutex
 - @subpage_single tune_zone_reclaim
 
  */
diff --git a/src/third_party/wiredtiger/src/docs/spell.ok b/src/third_party/wiredtiger/src/docs/spell.ok
index bc2e16b1122..5d629f4c49f 100644
--- a/src/third_party/wiredtiger/src/docs/spell.ok
+++ b/src/third_party/wiredtiger/src/docs/spell.ok
@@ -237,6 +237,7 @@ fput
 freelist
 fsync
 ftruncate
+fvisibility
 gcc
 gdbm
 ge
diff --git a/src/third_party/wiredtiger/src/docs/style/footer.html b/src/third_party/wiredtiger/src/docs/style/footer.html
index e5a7b30eef5..12d25422f89 100644
--- a/src/third_party/wiredtiger/src/docs/style/footer.html
+++ b/src/third_party/wiredtiger/src/docs/style/footer.html
@@ -3,13 +3,13 @@
 <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
   <ul>
     $navpath
-    <li class="footer">Copyright (c) 2008-2016 MongoDB, Inc.  All rights reserved.  Contact <a href="mailto:info@wiredtiger.com">info@wiredtiger.com</a> for more information.</li>
+    <li class="footer">Copyright (c) 2008-2017 MongoDB, Inc.  All rights reserved.  Contact <a href="mailto:info@wiredtiger.com">info@wiredtiger.com</a> for more information.</li>
   </ul>
 </div>
 <!--END GENERATE_TREEVIEW-->
 <!--BEGIN !GENERATE_TREEVIEW-->
 <hr class="footer"/><address class="footer"><small>
-Copyright (c) 2008-2016 MongoDB, Inc.  All rights reserved.  Contact <a href="mailto:info@wiredtiger.com">info@wiredtiger.com</a> for more information.
+Copyright (c) 2008-2017 MongoDB, Inc.  All rights reserved.  Contact <a href="mailto:info@wiredtiger.com">info@wiredtiger.com</a> for more information.
 </small></address>
 <!--END !GENERATE_TREEVIEW-->
 </body>
diff --git a/src/third_party/wiredtiger/src/docs/tools/doxfilter.py b/src/third_party/wiredtiger/src/docs/tools/doxfilter.py
index f1c3308c689..301142269c3 100755
--- a/src/third_party/wiredtiger/src/docs/tools/doxfilter.py
+++ b/src/third_party/wiredtiger/src/docs/tools/doxfilter.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Public Domain 2014-2016 MongoDB, Inc.
+# Public Domain 2014-2017 MongoDB, Inc.
 # Public Domain 2008-2014 WiredTiger, Inc.
 #
 # This is free and unencumbered software released into the public domain.
diff --git a/src/third_party/wiredtiger/src/docs/tools/fixlinks.py b/src/third_party/wiredtiger/src/docs/tools/fixlinks.py
index 7163246e3bd..1887665d5be 100755
--- a/src/third_party/wiredtiger/src/docs/tools/fixlinks.py
+++ b/src/third_party/wiredtiger/src/docs/tools/fixlinks.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Public Domain 2014-2016 MongoDB, Inc.
+# Public Domain 2014-2017 MongoDB, Inc.
 # Public Domain 2008-2014 WiredTiger, Inc.
 #
 # This is free and unencumbered software released into the public domain.
diff --git a/src/third_party/wiredtiger/src/docs/top/main.dox b/src/third_party/wiredtiger/src/docs/top/main.dox
index 84487c13174..6b28bd0062f 100644
--- a/src/third_party/wiredtiger/src/docs/top/main.dox
+++ b/src/third_party/wiredtiger/src/docs/top/main.dox
@@ -6,12 +6,12 @@ WiredTiger is an high performance, scalable, production quality, NoSQL,
 @section releases Releases
 
 <table>
-@row{<b>WiredTiger 2.9.1</b> (current),
-	<a href="releases/wiredtiger-2.9.1.tar.bz2"><b>[Release package]</b></a>,
-	<a href="2.9.1/index.html"><b>[Documentation]</b></a>}
-@row{<b>WiredTiger 2.9.0</b> (previous),
-	<a href="releases/wiredtiger-2.9.0.tar.bz2"><b>[Release package]</b></a>,
-	<a href="2.9.0/index.html"><b>[Documentation]</b></a>}
+@row{<b>WiredTiger 2.9.2</b> (current),
+	<a href="releases/wiredtiger-2.9.2.tar.bz2"><b>[Release package]</b></a>,
+	<a href="2.9.2/index.html"><b>[Documentation]</b></a>}
+@row{<b>WiredTiger 2.8.0</b> (previous),
+	<a href="releases/wiredtiger-2.8.0.tar.bz2"><b>[Release package]</b></a>,
+	<a href="2.8.0/index.html"><b>[Documentation]</b></a>}
 @row{<b>Development branch</b>,
 	<a href="https://github.com/wiredtiger/wiredtiger"><b>[Source code]</b></a>,
 	<a href="develop/index.html"><b>[Documentation]</b></a>}
diff --git a/src/third_party/wiredtiger/src/docs/tune-build-options.dox b/src/third_party/wiredtiger/src/docs/tune-build-options.dox
new file mode 100644
index 00000000000..79cd60b1105
--- /dev/null
+++ b/src/third_party/wiredtiger/src/docs/tune-build-options.dox
@@ -0,0 +1,9 @@
+/*! @page tune_build_options gcc/clang build options
+
+WiredTiger can be built using the gcc/clang \c -fvisibility=hidden flag,
+which may significantly reduce the size and load time of the WiredTiger
+library when built as a dynamic shared object, and allow the optimizer
+to produce better code (for example, by eliminating most lookups in the
+procedure linkage table).
+
+ */
diff --git a/src/third_party/wiredtiger/src/docs/upgrading.dox b/src/third_party/wiredtiger/src/docs/upgrading.dox
index e5fce3d0d5d..8640991e7cd 100644
--- a/src/third_party/wiredtiger/src/docs/upgrading.dox
+++ b/src/third_party/wiredtiger/src/docs/upgrading.dox
@@ -1,5 +1,18 @@
 /*! @page upgrading Upgrading WiredTiger applications
 
+@section version_293 Upgrading to Version 2.9.3
+<dl>
+
+<dt>Logging subsystem statistics</dt>
+<dd>
+Two logging subsystem statistics have been removed as they were a duplicate of
+other statistics.  The \c log_slot_joins and \c log_slot_transitions statistics
+are no longer present.  They were duplicates of \c log_writes and
+\c log_slot_closes respectively.  Several new logging related statistics have
+been added.
+</dd>
+
+</dl><hr>
 @section version_292 Upgrading to Version 2.9.2
 <dl>
 
@@ -16,6 +29,15 @@ have switched that lock from a spin lock to a read-write lock, and consequently
 changed the statistics tracking lock related wait time.
 </dd>
 
+<dt>Logging subsystem statistics</dt>
+<dd>
+Two logging subsystem statistics have been removed as they were a duplicate of
+other statistics.  The \c log_slot_joins and \c log_slot_transitions statistics
+are no longer present.  They were duplicates of \c log_writes and
+\c log_slot_closes respectively.  Several new logging related statistics have
+been added.
+</dd>
+
 <dt>Forced and named checkpoint error conditions changed</dt>
 <dd>
 There are new cases where checkpoints created with an explicit name or the