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| author | Alex Gorrod <alexg@wiredtiger.com> | 2014-02-03 10:55:12 +1100 |
|---|---|---|
| committer | Alex Gorrod <alexg@wiredtiger.com> | 2014-02-03 10:55:12 +1100 |
| commit | 1bb30927ce6366f786c25f04eb1ef6100a2a3ab7 (patch) | |
| tree | 2e8f6cf9d0f742b327ac3345674200046ff611a6 | |
| parent | d7915032324ca6b792a47a8a900d39ca8e8923c7 (diff) | |
| download | mongo-1bb30927ce6366f786c25f04eb1ef6100a2a3ab7.tar.gz | |
Document the change to transaction_sync default value.
| -rw-r--r-- | src/docs/spell.ok | 1 | ||||
| -rw-r--r-- | src/docs/upgrading.dox | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/docs/spell.ok b/src/docs/spell.ok index f1df14c6573..6d24c474e19 100644 --- a/src/docs/spell.ok +++ b/src/docs/spell.ok @@ -152,6 +152,7 @@ firstname fnv fput freelist +fsync gcc gdbm getopt diff --git a/src/docs/upgrading.dox b/src/docs/upgrading.dox index 35f08806dcc..5fe7b98665d 100644 --- a/src/docs/upgrading.dox +++ b/src/docs/upgrading.dox @@ -19,6 +19,17 @@ WiredTiger will assume that raw compression has failed and will fall back to calling WT_COMPRESSOR::compress. </dd> +<dt>Transaction sync default setting</dt> +<dd> +In the 2.1 release of WiredTiger the ::wiredtiger_open \c transaction_sync +configuration setting default value has changed from "dsync" to "fsync". +This is due to enhancements to the group commit implementation in +WiredTiger - which mean that greater throughput can be achieved with +explicit "fsync" calls than by enabling "dsync" on a file handle. Single +threaded application may see greater throughput with transaction_sync set +to "dsync". +</dd> + @section version_20 Upgrading to Version 2.0 <dl> |