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オリジナル投稿者: adlerpe ,


How much RAM do you have in the MBP? The stock configurations on the Late 2011 13" only had 4GB of RAM, which is the bare minimum for Mavericks (and probably Yosemite, too). All the current generation machines come with 8GB except the base model Macbook Airs. They have much faster SSDs and drive busses than your MBP, so virtual memory runs faster and the limited RAM doesn't lead to as many slowdowns.

By coincidence, I have the same model late 2011 13" on my workbench at the moment. I just upgraded the RAM from the stock 4GB to the maximum 16GB (Apple lists the maximum as 8GB, but 2 x 8GB 1333MHz DDR3 SO-DIMMS works just fine). IT was very slow under both 10.9.4 Mavericks and Yosemite Beta 2 with the stock RAM; lots of pinwheels. After five days of bench testing, I haven't had a single pinwheel with 16GB installed.

[product|IF111-041|PC3-10600 8 GB RAM Chip]