TIDELogBenchmark » History » Version 2
Version 1 (J. Moringen, 08/15/2011 04:52 PM) → Version 2/5 (J. Moringen, 08/16/2011 08:27 AM)
h1. TIDE log Benchmark
h2. Chunk Sizes and Indices
We simulated "scanning" large TIDE log files file with varying numbers of entries per chunk and entry sizes. By "scanning" we mean seeking to all @CHNK@ blocks and reading the block headers.
|_.Number of Chunks |_. Number of Entries per Chunk |_. Size of one Entry |_.Filesize [GB] |_. "Scan" Time [s] |
|>. 100 |>. 100 |>. 1,000,000 |>. ~ 9.4 |>. < 0.002 |
|>. 100 |>. 10,000 |>. 10,000 |>. ~ 9.4 |>. < 0.200 |
|>. 100 |>. 1,000,000 |>. 100 |>. ~ 11.0 |>. < 200.000 |
h2. Chunk Sizes and Indices
We simulated "scanning" large TIDE log files file with varying numbers of entries per chunk and entry sizes. By "scanning" we mean seeking to all @CHNK@ blocks and reading the block headers.
|_.Number of Chunks |_. Number of Entries per Chunk |_. Size of one Entry |_.Filesize [GB] |_. "Scan" Time [s] |
|>. 100 |>. 100 |>. 1,000,000 |>. ~ 9.4 |>. < 0.002 |
|>. 100 |>. 10,000 |>. 10,000 |>. ~ 9.4 |>. < 0.200 |
|>. 100 |>. 1,000,000 |>. 100 |>. ~ 11.0 |>. < 200.000 |