Support Board
Date/Time: Sat, 19 Jul 2025 13:15:47 +0000
Post From: Backtesting data - loading times of charts
| [2025-07-15 19:20:29] |
| Cell2985 - Posts: 3 |
|
Hi John, Thanks for the response. To clarify: all data is already downloaded. The issue is loading it from disk, specifically with tick data. I ran a disk speed test and my VPS shows ~33 MB/s random read speed (screenshot attached). Interestingly, Sierra Chart seems to cap out around that same speed during replay and chart loading. The VPS itself uses a Gen4 NVMe SSD capable of up to 8000 MB/s bursts, but Sierra Chart doesn’t seem to utilize that. Even when loading just 1 or 2 symbols, performance is slow — almost like the system is stuck using low-level SATA speeds. My question is: Is there a way to increase the speed at which Sierra Chart reads data from disk? Or: Can I force SC to use higher I/O throughput, closer to the actual 8000 MB/s that the hardware offers? Thanks again for your help, K. |
Private File Attachment Deleted. |