hard-source-store.md

• read
  • read table
  • each log
    • open
    • check block status
    • add block to file
    • if file complete emit it
• batch put/del
  • read table
  • open current log
  • each op
    • if op is put
      • split into blocks
      • each block
        • add to log
        • if log is at max
          • close current log
          • open new log as current
      • replace file entry in table
    • if op is del
      • remove file entry in table
  • close current log
  • atomically write table
  • if size needed is > min collect size and size used / size needed > 1.5 => garbage collect
• garbage collect
  • read table
  • open output log
  • each log
    • open
    • each block
      • if block is used
        • write to output
        • update related file entry
        • if output is at max
          • close output
          • open new output
  • close output
  • write table atomically
  • delete old log files