Google Interview Question for Software Engineer / Developers

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Writing the log entry each time it occur to the disk will be slow io. Instead, use in memory buffer, better if nvram to buffer them n flush them to disk given the rate it grows in the buffer. The buffer should be further divided into two parts, one to write new logs, the other half to get flush when it is full. Thus no locking to buffer is required.

- Dir July 14, 2011 | Flag Reply

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