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| author | Vamsi Krishna <vamsi.krishna@mongodb.com> | 2017-11-22 16:33:15 +1100 |
|---|---|---|
| committer | Alex Gorrod <alexander.gorrod@mongodb.com> | 2017-11-22 16:33:15 +1100 |
| commit | d1027489d8e1fdf86e5beec210eb5315abe4105d (patch) | |
| tree | 59c73e0c07c876984dca07237c9e7ae92ecf1553 | |
| parent | 1c83554346552d9fc47d809a5328995261617896 (diff) | |
| download | mongo-d1027489d8e1fdf86e5beec210eb5315abe4105d.tar.gz | |
WT-3760 Avoid writing overflow values into the lookaside file (#3799)
| -rw-r--r-- | dist/s_define.list | 1 | ||||
| -rw-r--r-- | src/include/btmem.h | 12 |
2 files changed, 7 insertions, 6 deletions
diff --git a/dist/s_define.list b/dist/s_define.list index fb0162079d9..4be8ceee0e3 100644 --- a/dist/s_define.list +++ b/dist/s_define.list @@ -35,6 +35,7 @@ WT_LOG_SLOT_MASK_OFF WT_LOG_SLOT_MASK_ON WT_LOG_SLOT_MAXBITS WT_LOG_SLOT_UNBUFFERED_ISSET +WT_LOOKASIDE_COMPRESSOR WT_PACKED_STRUCT_BEGIN WT_PACKED_STRUCT_END WT_PADDING_CHECK diff --git a/src/include/btmem.h b/src/include/btmem.h index e10c74e0203..d45b68d1972 100644 --- a/src/include/btmem.h +++ b/src/include/btmem.h @@ -183,15 +183,15 @@ struct __wt_ovfl_reuse { * 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" +#define WT_LOOKASIDE_COMPRESSOR "snappy" #else +#define WT_LOOKASIDE_COMPRESSOR "none" +#endif #define WT_LAS_CONFIG \ "key_format=" WT_UNCHECKED_STRING(QIQu) \ - ",value_format=" WT_UNCHECKED_STRING(QuBu) -#endif + ",value_format=" WT_UNCHECKED_STRING(QuBu) \ + ",block_compressor=" WT_LOOKASIDE_COMPRESSOR \ + ",leaf_value_max=64MB" /* * WT_PAGE_LOOKASIDE -- |