I can't get up-to-date with Parity.
Real blockchain height is near 9831752, Parity is pushing 9830795 currently, and Qed is 9831228.
Initially downloaded blockchain using warp mode two months ago, and currently noticed that blocks number is far behind of up-to-date number.
Parity 2.7.2 Stable on Ubuntu 16.04.6 LTS
I can't understand what is wrong. VPS time is correct.
# date --utc
Wed Apr 8 13:23:42 UTC 2020
Latest log records (started with parity --no-warp -l sync=debug):
2020-04-08 15:20:18 IO Worker #2 INFO import Syncing #9830781 0xe5e1��6f92 0.20 blk/s 11.2 tx/s 2.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 5 MiB chain 96 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:23 IO Worker #2 INFO import Syncing #9830782 0x922c��053e 0.20 blk/s 34.4 tx/s 2.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 5 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:28 IO Worker #2 INFO import Syncing #9830782 0x922c��053e 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:33 IO Worker #2 INFO import Syncing #9830783 0xd89f��638d 0.20 blk/s 18.6 tx/s 2.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:38 IO Worker #2 INFO import Syncing #9830783 0xd89f��638d 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:43 IO Worker #2 INFO import Syncing #9830784 0xfb3a��26ce 0.20 blk/s 14.4 tx/s 2.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:48 IO Worker #2 INFO import Syncing #9830784 0xfb3a��26ce 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:53 IO Worker #2 INFO import Syncing #9830785 0x7258��f6cb 0.20 blk/s 19.2 tx/s 2.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:20:58 IO Worker #2 INFO import Syncing #9830786 0xac0b��5b4e 0.20 blk/s 34.2 tx/s 2.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:03 IO Worker #2 INFO import Syncing #9830786 0xac0b��5b4e 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 441 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 48 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:08 IO Worker #3 INFO import Syncing #9830787 0xa5a7��d296 0.20 blk/s 27.6 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:13 IO Worker #3 INFO import Syncing #9830787 0xa5a7��d296 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:18 IO Worker #3 INFO import Syncing #9830788 0x32c8��dc8b 0.20 blk/s 24.2 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:23 IO Worker #3 INFO import Syncing #9830788 0x32c8��dc8b 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:28 IO Worker #3 INFO import Syncing #9830789 0x3500��43ec 0.20 blk/s 22.4 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:33 IO Worker #3 INFO import Syncing #9830790 0x637d��abb6 0.20 blk/s 40.0 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:38 IO Worker #3 INFO import Syncing #9830791 0xa01d��be23 0.20 blk/s 32.0 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:43 IO Worker #3 INFO import Syncing #9830791 0xa01d��be23 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 97 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:48 IO Worker #3 INFO import Syncing #9830792 0xf241��a75b 0.20 blk/s 15.8 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:53 IO Worker #3 INFO import Syncing #9830794 0x7e9d��12ec 0.40 blk/s 61.6 tx/s 3.3 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:21:58 IO Worker #3 INFO import Syncing #9830794 0x7e9d��12ec 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:03 IO Worker #3 INFO import Syncing #9830795 0xd10e��074b 0.20 blk/s 39.6 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:08 IO Worker #3 INFO import Syncing #9830795 0xd10e��074b 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:13 IO Worker #3 INFO import Syncing #9830796 0x4994��8722 0.20 blk/s 19.2 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:18 IO Worker #3 INFO import Syncing #9830797 0x9ec7��86e1 0.20 blk/s 48.0 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:23 IO Worker #3 INFO import Syncing #9830797 0x9ec7��86e1 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:28 IO Worker #3 INFO import Syncing #9830798 0xa41d��7b0a 0.20 blk/s 40.6 tx/s 2.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:33 IO Worker #3 INFO import Syncing #9830798 0xa41d��7b0a 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 429 Qed #9831228 39/50 peers 6 MiB chain 96 MiB db 47 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:33 IO Worker #0 DEBUG sync Disconnected 69
2020-04-08 15:22:38 IO Worker #0 INFO import Syncing #9830799 0xbd61��9ed0 0.20 blk/s 14.4 tx/s 2.0 Mgas/s 0+ 417 Qed #9831228 38/50 peers 6 MiB chain 96 MiB db 45 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:43 IO Worker #0 INFO import Syncing #9830799 0xbd61��9ed0 0.00 blk/s 0.0 tx/s 0.0 Mgas/s 0+ 417 Qed #9831228 38/50 peers 6 MiB chain 96 MiB db 45 MiB queue 20 MiB sync RPC: 0 conn, 0 req/s, 0 µs
2020-04-08 15:22:45 IO Worker #3 DEBUG sync Disconnected 86
UPDATE I am using VPS L SSD on Contabo. Hardware specs: 800 Gb SSD 8 CPU cores 30 GB RAM