I hereby claim:
- I am brendanlim on github.
- I am brendan (https://keybase.io/brendan) on keybase.
- I have a public key whose fingerprint is 0897 4C8C 4E8A 34C5 AA36 E279 5A78 C42A 8C24 1C2B
To claim this, I am signing this object:
I hereby claim:
To claim this, I am signing this object:
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns | |
Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms | |
Read 1 MB sequentially from memory 250,000 ns 0.25 ms | |
Round trip within same datacenter 500,000 ns 0.5 ms | |
Read 1 MB sequentially from SSD 1,000,000 ns 1 ms 4X memory |
=== Epic Snow Leopard Upgrayyyyd Guide === | |
Son, you’re now living in the land of 64-bit systems. | |
That means that some of your 32-bit shit is now broken. | |
Not all is lost. | |
== Fixing MySQL weirdness |