blocks are not sync in sequence

hii support,
i am facing a problem regarding the block syncing in main-net network and the problem is on my polygon full-node blocks are not sync in sequence mean one by one. It sync block in bulk quantity like it maybe sync one by one or 6-10 block instantly. As in the following screenshot. And my server configuration is 16Vcpu and 64GB of RAM Network 50000 Megabit heimdalld version 1.0.3 and bor version 1.0.6