Anthony Romano
f58c0cfb66
mvcc: Revisions() method for index to avoid key allocation
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Save another alloc on the one key path.
2017-08-21 11:30:02 -07:00
Anthony Romano
e9d096ae6b
mvcc: don't allocate end revision while computing range
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Use 'nil' since it's only reading a single key. Also preallocates
the result slice based on limit / number of revisions fetched.
Fixes #8208
2017-07-06 15:59:27 -07:00
Anthony Romano
522e75cb4f
mvcc: use GaugeFunc metric to load db size when requested
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Relying on mvcc to set the db size metric can cause it to
miss size changes when a txn commits after the last write
completes before a quiescent period. Instead, load the
db size on demand.
Fixes #8146
2017-06-21 23:58:37 -07:00
Anthony Romano
ef63abdf7f
mvcc: don't use pointer for storeTxnRead in storeTxnWrite
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Saves an allocation when creating a storeTxnWrite.
2017-06-06 09:51:57 -07:00
Anthony Romano
33acbb694b
mvcc: txns and r/w views
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Clean-up of the mvcc interfaces to use txn interfaces instead of an id.
Adds support for concurrent read-only mvcc transactions.
Fixes #7083
2017-03-08 20:52:59 -08:00
