Today we announce release 1.0.2-2 of our XtraDB storage engine.
Here is a list of enhancements:
The patch splits global InnoDB buffer_pool mutex into several and eliminates waitings on flush IO and mutex when there is no enough free buffers. It helps if you have performance drops when data does not fit in memory.
InnoDB has a concurrent transaction limit of 1024 because in the standard InnoDB the number of undo slots is fixed value. This patch expands the maximum number of undo slots to 4072 and allows better utilizing modern hardware. (Thank[Read more...]