From 04b3b1d4d9a695b9c91962f5daff3d3a2c7be586 Mon Sep 17 00:00:00 2001 From: Robert Davey Date: Sun, 24 Sep 2023 12:12:16 +0100 Subject: [PATCH] Update data-download.md Fix the main data format docs to reflect the move to feather. --- docs/data-download.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/docs/data-download.md b/docs/data-download.md index 27ee4d377..890a89b60 100644 --- a/docs/data-download.md +++ b/docs/data-download.md @@ -154,13 +154,13 @@ freqtrade download-data --exchange binance --pairs ETH/USDT XRP/USDT BTC/USDT -- Freqtrade currently supports the following data-formats: +* `feather` - a dataformat based on Apache Arrow * `json` - plain "text" json files * `jsongz` - a gzip-zipped version of json files * `hdf5` - a high performance datastore -* `feather` - a dataformat based on Apache Arrow * `parquet` - columnar datastore (OHLCV only) -By default, OHLCV data is stored as `json` data, while trades data is stored as `jsongz` data. +By default, both OHLCV data and trades data are stored in the `feather` format. This can be changed via the `--data-format-ohlcv` and `--data-format-trades` command line arguments respectively. To persist this change, you should also add the following snippet to your configuration, so you don't have to insert the above arguments each time: @@ -203,15 +203,15 @@ time freqtrade list-data --show-timerange --data-format-ohlcv | Format | Size | timing | |------------|-------------|-------------| +| `feather` | 72Mb | 3.5s | | `json` | 149Mb | 25.6s | | `jsongz` | 39Mb | 27s | | `hdf5` | 145Mb | 3.9s | -| `feather` | 72Mb | 3.5s | | `parquet` | 83Mb | 3.8s | Size has been taken from the BTC/USDT 1m spot combination for the timerange specified above. -To have a best performance/size mix, we recommend the use of either feather or parquet. +To have a best performance/size mix, we recommend using the default feather format, or parquet. ### Pairs file