---> uname -a: Linux prd-centos8-docker-4c-4g-7267.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1043 10443 19 4273 14368 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:6d:dc:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:fe6d:dc1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:16:0a:f1:29 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::42:16ff:fe0a:f129/64 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) 06/06/2026 _x86_64_ (4 CPU) 03:28:27 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 147.44 7.25 140.19 1187.94 10096.63 03:31:01 AM 264.38 5.43 258.95 914.17 29323.66 03:32:01 AM 1083.49 71.00 1012.48 1144.34 36923.45 03:33:01 AM 119.56 60.75 58.80 3836.22 3366.83 03:34:01 AM 151.59 6.88 144.71 2429.86 9159.31 Average: 353.22 30.27 322.96 1902.83 17772.15 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12901496 14907940 3237824 20.06 2688 2213764 1452980 8.45 155204 2693332 257132 03:31:01 AM 9685152 12278348 6454168 39.99 2688 2784256 4486648 26.10 286452 5696512 1372 03:32:01 AM 10428040 14008100 5711280 35.39 2688 3569840 1777020 10.34 407208 4388660 53976 03:33:01 AM 10784656 14567180 5354664 33.18 2688 3768008 1374160 7.99 446032 3993712 79584 03:34:01 AM 10713508 14727644 5425812 33.62 2688 3993772 1184620 6.89 718540 3787508 24348 Average: 10902570 14097842 5236750 32.45 2688 3265928 2055086 11.96 402687 4111945 83282 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 172.45 120.53 2029.97 23.57 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 3.36 3.36 1.56 1.56 0.00 0.00 0.00 0.00 03:31:01 AM eth0 387.86 263.85 5182.61 37.09 0.00 0.00 0.00 0.00 03:31:01 AM docker0 2.20 1.93 1.31 0.32 0.00 0.00 0.00 0.00 03:31:01 AM vethb6a7885 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 03:31:01 AM vethacdc0bb 2.06 1.82 1.33 0.31 0.00 0.00 0.00 0.00 03:32:01 AM lo 2.65 2.65 2.97 2.97 0.00 0.00 0.00 0.00 03:32:01 AM eth0 212.81 146.18 1862.70 26.70 0.00 0.00 0.00 0.00 03:32:01 AM docker0 1.27 1.32 2.79 0.14 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 106.84 78.56 864.28 7.77 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 117.51 89.24 2267.49 49.71 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 199.50 139.67 2441.41 28.96 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.65 0.82 0.09 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) 06/06/2026 _x86_64_ (4 CPU) 03:28:27 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 23.95 0.00 2.25 0.89 0.08 72.83 03:30:01 AM 0 15.31 0.00 1.72 0.15 0.07 82.76 03:30:01 AM 1 24.89 0.00 2.46 0.75 0.07 71.84 03:30:01 AM 2 33.82 0.00 2.84 1.40 0.08 61.85 03:30:01 AM 3 21.81 0.00 1.99 1.25 0.08 74.86 03:31:01 AM all 37.68 0.09 3.20 2.82 0.12 56.09 03:31:01 AM 0 32.23 0.05 2.49 1.79 0.12 63.31 03:31:01 AM 1 39.90 0.17 3.24 4.58 0.12 52.00 03:31:01 AM 2 44.07 0.13 3.53 2.01 0.12 50.14 03:31:01 AM 3 34.52 0.02 3.54 2.90 0.12 58.90 03:32:01 AM all 30.55 0.00 10.23 10.13 0.14 48.96 03:32:01 AM 0 33.82 0.00 9.55 4.84 0.14 51.65 03:32:01 AM 1 28.51 0.00 9.77 11.65 0.14 49.93 03:32:01 AM 2 33.63 0.00 11.39 14.91 0.14 39.93 03:32:01 AM 3 26.24 0.00 10.19 9.12 0.14 54.31 03:33:01 AM all 43.10 0.00 1.85 0.71 0.11 54.24 03:33:01 AM 0 27.97 0.00 1.59 0.62 0.10 69.73 03:33:01 AM 1 45.45 0.00 1.90 0.72 0.12 51.81 03:33:01 AM 2 68.13 0.00 2.32 0.55 0.12 28.88 03:33:01 AM 3 30.86 0.00 1.57 0.94 0.12 66.52 03:34:01 AM all 35.42 0.00 1.83 0.82 0.09 61.84 03:34:01 AM 0 27.52 0.00 1.89 1.96 0.08 68.55 03:34:01 AM 1 37.78 0.00 1.65 0.32 0.07 60.18 03:34:01 AM 2 36.51 0.00 2.04 0.67 0.15 60.63 03:34:01 AM 3 39.77 0.00 1.74 0.37 0.07 58.06 Average: all 34.15 0.02 3.85 3.05 0.11 58.83 Average: 0 27.35 0.01 3.43 1.86 0.10 67.25 Average: 1 35.33 0.03 3.78 3.58 0.10 57.18 Average: 2 43.26 0.03 4.40 3.87 0.12 48.31 Average: 3 30.66 0.00 3.78 2.89 0.10 62.56