---> uname -a: Linux prd-centos8-docker-4c-4g-5068.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: 2800.000 BogoMIPS: 5600.00 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 911 11376 19 3472 14500 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:80:b0:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.243/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85908sec preferred_lft 85908sec inet6 fe80::f816:3eff:fe80:b018/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bb:2d:5b:97 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:bbff:fe2d:5b97/64 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) 07/04/2026 _x86_64_ (4 CPU) 08:03:05 LINUX RESTART (4 CPU) 08:04:01 AM tps rtps wtps bread/s bwrtn/s 08:05:01 AM 222.90 20.13 202.77 4023.33 13932.89 08:06:01 AM 114.75 1.83 112.91 115.96 13367.41 08:07:01 AM 14.03 0.00 14.03 0.00 1818.33 08:08:01 AM 15.67 2.90 12.77 254.90 271.90 08:09:01 AM 83.01 0.72 82.29 485.57 18478.56 08:10:01 AM 15.66 1.22 14.45 1590.94 5073.81 08:11:01 AM 125.92 0.43 125.48 56.23 5734.24 Average: 84.56 3.89 80.67 932.29 8381.96 08:04:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:05:01 AM 11967980 14196520 4171340 25.85 2688 2431584 1952672 11.36 211356 3540640 187852 08:06:01 AM 10850176 13312796 5289144 32.77 2688 2661704 2616636 15.22 264744 4593448 17460 08:07:01 AM 10698948 13165580 5440372 33.71 2688 2665580 2648188 15.41 264788 4744924 560 08:08:01 AM 9238000 11730348 6901320 42.76 2688 2690512 4123256 23.99 276548 6185168 4900 08:09:01 AM 8656868 11569788 7482452 46.36 2688 3100992 5091756 29.62 397372 6599468 980 08:10:01 AM 10298108 13485460 5841212 36.19 2688 3372716 3074748 17.89 457464 4900916 91520 08:11:01 AM 11680392 14878716 4458928 27.63 2688 3380248 1817632 10.58 676236 3301912 25656 Average: 10484353 13191315 5654967 35.04 2688 2900477 3046413 17.72 364073 4838068 46990 08:04:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 232.86 188.90 2544.37 39.20 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 224.16 169.98 3416.03 32.40 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 237.63 153.46 70.91 75.82 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 4.36 4.36 0.55 0.55 0.00 0.00 0.00 0.00 08:08:01 AM eth0 80.55 53.85 24.65 36.50 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:09:01 AM lo 12.53 12.53 26.99 26.99 0.00 0.00 0.00 0.00 08:09:01 AM eth0 190.90 100.62 2832.15 8.56 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.20 0.30 0.01 0.02 0.00 0.00 0.00 0.00 08:09:01 AM veth6712f3c 0.20 0.45 0.01 0.04 0.00 0.00 0.00 0.00 08:09:01 AM br-7f5ed107f37a 5.40 5.31 25.60 0.91 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 144.45 108.00 3167.79 10.96 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.07 0.08 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 51.35 47.97 18.46 178.05 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 2.51 2.51 3.94 3.94 0.00 0.00 0.00 0.00 Average: eth0 165.97 117.53 1724.77 54.50 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) 07/04/2026 _x86_64_ (4 CPU) 08:03:05 LINUX RESTART (4 CPU) 08:04:01 AM CPU %user %nice %system %iowait %steal %idle 08:05:01 AM all 35.50 0.00 2.37 1.21 0.10 60.82 08:05:01 AM 0 41.67 0.00 2.66 1.12 0.10 54.46 08:05:01 AM 1 29.66 0.00 1.89 1.62 0.10 66.73 08:05:01 AM 2 33.51 0.00 1.32 0.59 0.10 64.48 08:05:01 AM 3 37.16 0.00 3.62 1.52 0.08 57.62 08:06:01 AM all 58.28 0.00 1.77 0.61 0.09 39.26 08:06:01 AM 0 60.09 0.00 1.78 0.39 0.08 37.65 08:06:01 AM 1 48.66 0.00 2.52 0.79 0.08 47.94 08:06:01 AM 2 62.98 0.00 1.16 0.42 0.08 35.36 08:06:01 AM 3 61.36 0.00 1.61 0.85 0.10 36.08 08:07:01 AM all 18.05 0.00 1.36 0.08 0.06 80.45 08:07:01 AM 0 18.20 0.00 1.50 0.05 0.05 80.19 08:07:01 AM 1 20.78 0.00 1.14 0.12 0.07 77.90 08:07:01 AM 2 14.05 0.00 1.54 0.02 0.07 84.32 08:07:01 AM 3 19.14 0.00 1.27 0.12 0.07 79.41 08:08:01 AM all 41.95 0.00 1.70 0.05 0.19 56.11 08:08:01 AM 0 43.41 0.00 1.65 0.05 0.50 54.40 08:08:01 AM 1 32.98 0.00 1.55 0.02 0.09 65.37 08:08:01 AM 2 28.35 0.00 1.64 0.02 0.09 69.90 08:08:01 AM 3 63.35 0.00 1.96 0.10 0.10 34.49 08:09:01 AM all 17.87 0.00 3.17 1.36 0.08 77.51 08:09:01 AM 0 19.50 0.00 3.77 0.39 0.07 76.27 08:09:01 AM 1 17.42 0.00 2.94 0.93 0.08 78.63 08:09:01 AM 2 15.42 0.00 3.19 3.19 0.08 78.12 08:09:01 AM 3 19.16 0.00 2.79 0.94 0.08 77.03 08:10:01 AM all 62.67 0.00 1.39 0.21 0.10 35.63 08:10:01 AM 0 68.83 0.00 2.37 0.13 0.08 28.59 08:10:01 AM 1 69.95 0.00 0.98 0.35 0.10 28.62 08:10:01 AM 2 51.55 0.00 1.10 0.27 0.10 46.98 08:10:01 AM 3 60.32 0.00 1.10 0.10 0.10 38.38 08:11:01 AM all 46.14 0.00 1.94 0.52 0.08 51.32 08:11:01 AM 0 52.94 0.00 2.35 0.22 0.08 44.40 08:11:01 AM 1 52.61 0.00 1.20 0.50 0.08 45.60 08:11:01 AM 2 47.91 0.00 0.85 0.02 0.07 51.15 08:11:01 AM 3 31.06 0.00 3.38 1.34 0.08 64.14 Average: all 40.06 0.00 1.96 0.58 0.10 57.30 Average: 0 43.53 0.00 2.30 0.34 0.14 53.70 Average: 1 38.91 0.00 1.75 0.62 0.09 58.64 Average: 2 36.27 0.00 1.54 0.65 0.08 61.45 Average: 3 41.55 0.00 2.24 0.71 0.09 55.40