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authorVamsi Krishna <vamsi.krishna@mongodb.com>2017-11-22 11:15:46 +1100
committerAlex Gorrod <alexander.gorrod@mongodb.com>2017-11-22 11:15:46 +1100
commit1c83554346552d9fc47d809a5328995261617896 (patch)
tree1d705b33698c74bd43ceba4db6f0afb56ca5913c /src
parent8b883fee6aea6b0addf8210f31551633372ee226 (diff)
downloadmongo-1c83554346552d9fc47d809a5328995261617896.tar.gz
WT-3758 Turn on snappy compression for lookaside file (#3797)
Enabled by default when snappy compression is available.
Diffstat (limited to 'src')
-rw-r--r--src/include/btmem.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/btmem.h b/src/include/btmem.h
index 745618ae756..e10c74e0203 100644
--- a/src/include/btmem.h
+++ b/src/include/btmem.h
@@ -182,9 +182,16 @@ struct __wt_ovfl_reuse {
* makes the lookaside table's value more likely to overflow the page size when
* the row-store key is relatively large.
*/
+#ifdef HAVE_BUILTIN_EXTENSION_SNAPPY
+#define WT_LAS_CONFIG \
+ "key_format=" WT_UNCHECKED_STRING(QIQu) \
+ ",value_format=" WT_UNCHECKED_STRING(QuBu) \
+ ",block_compressor=snappy"
+#else
#define WT_LAS_CONFIG \
"key_format=" WT_UNCHECKED_STRING(QIQu) \
",value_format=" WT_UNCHECKED_STRING(QuBu)
+#endif
/*
* WT_PAGE_LOOKASIDE --