---> uname -a: Linux prd-centos8-docker-4c-4g-2942.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 829 11465 19 3465 14582 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:c9:6e:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85870sec preferred_lft 85870sec inet6 fe80::f816:3eff:fec9:6eb2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1b:1e:63:94 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:1bff:fe1e:6394/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/23/2026 _x86_64_ (4 CPU) 08:02:27 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 79.89 0.33 79.55 32.53 5712.50 08:05:01 AM 225.17 20.69 204.48 4145.24 15971.24 08:06:01 AM 83.76 1.32 82.44 84.89 9998.70 08:07:01 AM 3.45 0.00 3.45 0.00 250.12 08:08:01 AM 27.34 3.20 24.14 554.22 1125.47 08:09:01 AM 75.74 0.15 75.59 2.40 15053.77 08:10:01 AM 22.12 1.22 20.91 1590.67 7702.90 08:11:01 AM 106.06 0.43 105.63 56.25 3090.89 Average: 77.95 3.42 74.53 808.45 7363.80 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 13287372 15080664 2851948 17.67 2688 2007772 1144304 6.66 146276 2348392 161880 08:05:01 AM 11773340 14042484 4365980 27.05 2688 2471048 1780800 10.36 232868 3714532 94492 08:06:01 AM 10344272 12806128 5795048 35.91 2688 2660888 2829356 16.46 264892 5097304 1604 08:07:01 AM 9495752 11963832 6643568 41.16 2688 2666868 3577872 20.82 266552 5940996 3024 08:08:01 AM 9457372 11974492 6681948 41.40 2688 2714244 3933740 22.89 288736 5944856 64 08:09:01 AM 8950904 11856020 7188416 44.54 2688 3093152 4559592 26.53 398040 6301768 104 08:10:01 AM 10617636 13794468 5521684 34.21 2688 3361896 2770960 16.12 456908 4580052 13744 08:11:01 AM 11795176 14985524 4344144 26.92 2688 3370636 1752776 10.20 677416 3181704 24380 Average: 10715228 13312952 5424092 33.61 2688 2793313 2793675 16.25 341461 4638700 37412 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 63.47 45.44 894.22 8.07 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 261.41 222.42 2913.78 40.15 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 251.54 192.47 2867.58 49.90 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM eth0 348.58 220.13 97.90 99.97 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 5.41 5.41 0.63 0.63 0.00 0.00 0.00 0.00 08:08:01 AM eth0 40.87 29.62 197.64 16.98 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.10 0.20 0.00 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth5efecb1 0.10 0.32 0.01 0.03 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.76 12.76 26.75 26.75 0.00 0.00 0.00 0.00 08:09:01 AM eth0 213.88 101.88 2644.28 8.10 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM veth5efecb1 0.18 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:09:01 AM br-f3a05f8f6481 5.58 5.58 25.61 0.93 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.68 0.68 0.04 0.04 0.00 0.00 0.00 0.00 08:10:01 AM eth0 231.25 144.18 3141.95 12.69 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 90.65 53.30 20.54 256.64 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.36 2.36 3.43 3.43 0.00 0.00 0.00 0.00 Average: eth0 187.71 126.19 1597.39 61.56 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 05/23/2026 _x86_64_ (4 CPU) 08:02:27 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 11.00 0.00 1.03 5.27 0.06 82.64 08:04:01 AM 0 19.04 0.00 1.37 1.23 0.07 78.29 08:04:01 AM 1 9.00 0.00 0.82 0.15 0.08 89.95 08:04:01 AM 2 9.86 0.00 1.20 4.98 0.05 83.90 08:04:01 AM 3 6.07 0.00 0.72 14.74 0.05 78.42 08:05:01 AM all 43.14 0.00 2.32 1.28 0.11 53.15 08:05:01 AM 0 34.62 0.00 3.35 2.84 0.13 59.06 08:05:01 AM 1 35.44 0.00 2.39 1.02 0.08 61.06 08:05:01 AM 2 54.54 0.00 2.49 0.75 0.12 42.11 08:05:01 AM 3 47.93 0.00 1.07 0.49 0.10 50.41 08:06:01 AM all 49.92 0.00 1.70 0.54 0.10 47.72 08:06:01 AM 0 50.29 0.00 1.29 0.20 0.10 48.12 08:06:01 AM 1 43.22 0.00 2.18 0.69 0.12 53.81 08:06:01 AM 2 54.10 0.00 1.44 0.42 0.10 43.95 08:06:01 AM 3 52.08 0.00 1.92 0.87 0.10 45.03 08:07:01 AM all 22.34 0.00 1.45 0.00 0.07 76.14 08:07:01 AM 0 24.92 0.00 0.80 0.00 0.07 74.21 08:07:01 AM 1 30.48 0.00 1.62 0.00 0.08 67.81 08:07:01 AM 2 20.74 0.00 1.54 0.00 0.07 77.66 08:07:01 AM 3 13.20 0.00 1.82 0.02 0.07 84.89 08:08:01 AM all 34.54 0.00 1.13 0.47 0.09 63.77 08:08:01 AM 0 25.89 0.00 0.77 0.33 0.10 72.91 08:08:01 AM 1 42.20 0.00 1.42 0.42 0.08 55.87 08:08:01 AM 2 42.48 0.00 1.14 0.30 0.08 56.00 08:08:01 AM 3 27.56 0.00 1.20 0.82 0.10 70.31 08:09:01 AM all 16.37 0.00 2.59 0.69 0.07 80.29 08:09:01 AM 0 16.15 0.00 2.18 0.92 0.07 80.68 08:09:01 AM 1 16.90 0.00 2.71 0.42 0.05 79.92 08:09:01 AM 2 17.05 0.00 2.50 0.97 0.07 79.41 08:09:01 AM 3 15.37 0.00 2.96 0.44 0.08 81.15 08:10:01 AM all 61.07 0.00 1.44 0.18 0.11 37.19 08:10:01 AM 0 62.85 0.00 1.15 0.00 0.12 35.88 08:10:01 AM 1 45.71 0.00 1.35 0.57 0.12 52.26 08:10:01 AM 2 72.15 0.00 1.69 0.03 0.10 26.03 08:10:01 AM 3 63.57 0.00 1.59 0.13 0.12 34.59 08:11:01 AM all 46.49 0.00 1.79 0.34 0.09 51.29 08:11:01 AM 0 42.92 0.00 1.27 0.52 0.08 55.21 08:11:01 AM 1 31.83 0.00 1.76 0.59 0.10 65.73 08:11:01 AM 2 56.20 0.00 2.34 0.20 0.10 41.16 08:11:01 AM 3 54.97 0.00 1.82 0.07 0.08 43.06 Average: all 35.62 0.00 1.68 1.10 0.09 61.51 Average: 0 34.59 0.00 1.52 0.76 0.09 63.04 Average: 1 31.85 0.00 1.78 0.48 0.09 65.80 Average: 2 40.91 0.00 1.79 0.96 0.09 56.26 Average: 3 35.12 0.00 1.64 2.20 0.09 60.96