When using rsync, I have tuned options(turn on/off compression, use fast ssh compression algorithms, limit bandwidth, limit IO - which of note doesn't work well for file system metadata), but it will take hours to rsync completely even after a initial rsync done beforehand. It is a RAID 6 consisting of common SATA drives with a cachecade RAID 1 SSD read/write acceleration caching. However server A has high load, with about 30~40% IO utilization and 400~500 Mbps traffic utilization.Īs the server is used as the main file system for one the top 500 worldwide sites by SimilarWeb traffic ranking, I wish to keep downtime minimal. Servers are currently on 1 GB internal network on same switch, although future plans to migrate to 10 GB switch.
#Resilio sync 1.4 free
On a busy system your 1gigE port will likely already be saturated and your disks will be busy as well so that'll also reduce your rsync performance (random access is a lot slower on spinning disks).ĭoes your existing server have PCIe 2.0, 3.0 or 4.0 and do you have eSATA 6.0gbps, USB 3.x or free SAS ports? If you've got an older server with PCIe 2.0 that's going to affect performance.
These are the maximum speeds, your real world performance will be less.
#Resilio sync 1.4 pro
The Samsung 970 PRO 1TB M.2 NVMe drive (PCIe 3.0) is spec'ed at 15,000 to 500,000 IOPS depending on the hardware configuration, up to 3,400 MB/s sequential reads and up to 2,500 MB/s sequential writes while using PCIe 3.0. SATA SSDs can provide about 10,000-85,000 IOPS depending on various conditions. Individual 3.5" spinning disks provide about 75-100 IOPS 7,200 RPM SATA, 125-150 IOPS RPM SATA, 120-160 IOPS RPM SAS, 175-220 IOPS RPM SAS, +- 10-20%Ģ.5" spinning drives are typically slower.
#Resilio sync 1.4 software
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