---> uname -a: Linux prd-centos8-docker-4c-4g-2741.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 10866 20 3851 14367 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:5f:ed:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.186/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85923sec preferred_lft 85923sec inet6 fe80::f816:3eff:fe5f:ede0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:12:3f:71:d0 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::42:12ff:fe3f:71d0/64 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) 11/12/2026 _x86_64_ (4 CPU) 07:58:23 LINUX RESTART (4 CPU) 07:59:01 AM tps rtps wtps bread/s bwrtn/s 08:00:01 AM 155.50 31.17 124.33 4744.02 28818.98 08:01:01 AM 105.01 0.55 104.47 150.08 10313.78 08:02:01 AM 192.75 5.45 187.31 616.39 10433.86 08:03:01 AM 29.55 0.42 29.13 393.00 5007.45 08:04:01 AM 65.63 0.68 64.95 72.91 12103.33 08:05:01 AM 1153.47 11.83 1141.64 158.08 35058.98 08:06:01 AM 151.69 83.44 68.26 1569.34 4529.41 Average: 264.80 19.07 245.73 1100.53 15181.10 07:59:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:01 AM 13529340 15105044 2609976 16.17 2688 1802880 1177272 6.85 139936 2151476 43364 08:01:01 AM 13200480 15139640 2938836 18.21 2688 2147552 1076628 6.26 141720 2408984 159780 08:02:01 AM 11505828 13695708 4633488 28.71 2688 2391984 2576340 14.99 207300 4001804 127208 08:03:01 AM 11437024 13653064 4702292 29.14 2688 2417196 2903168 16.89 208972 4060580 20 08:04:01 AM 11829052 14396788 4310264 26.71 2688 2758960 1997280 11.62 310564 3531192 5720 08:05:01 AM 10593532 14095764 5545784 34.36 2688 3493716 1818708 10.58 389008 4240060 86776 08:06:01 AM 11097700 14675012 5041616 31.24 2688 3564484 1244036 7.24 580940 3539972 30584 Average: 11884708 14394431 4254608 26.36 2688 2653825 1827633 10.63 282634 3419153 64779 07:59:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 AM eth0 270.91 176.21 1051.35 66.66 0.00 0.00 0.00 0.00 08:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM eth0 68.14 44.30 1089.71 6.58 0.00 0.00 0.00 0.00 08:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM eth0 269.85 231.25 3169.45 36.85 0.00 0.00 0.00 0.00 08:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:03:01 AM eth0 12.06 8.60 99.64 2.43 0.00 0.00 0.00 0.00 08:03:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:03:01 AM veth8ca9960 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:04:01 AM lo 7.06 7.06 5.26 5.26 0.00 0.00 0.00 0.00 08:04:01 AM eth0 88.27 48.58 2169.86 6.86 0.00 0.00 0.00 0.00 08:04:01 AM docker0 3.27 3.02 4.09 0.44 0.00 0.00 0.00 0.00 08:04:01 AM veth8ca9960 0.18 0.23 0.01 0.01 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 181.82 139.69 1882.10 21.60 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 6.55 4.88 5.69 3.37 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 Average: lo 1.04 1.04 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 128.24 93.37 1352.69 20.63 0.00 0.00 0.00 0.00 Average: docker0 0.49 0.47 0.59 0.07 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) 11/12/2026 _x86_64_ (4 CPU) 07:58:23 LINUX RESTART (4 CPU) 07:59:01 AM CPU %user %nice %system %iowait %steal %idle 08:00:01 AM all 12.82 0.00 2.03 1.69 0.00 83.46 08:00:01 AM 0 6.64 0.00 1.51 0.37 0.00 91.49 08:00:01 AM 1 20.78 0.00 1.94 2.54 0.02 74.72 08:00:01 AM 2 10.68 0.00 1.76 0.64 0.00 86.93 08:00:01 AM 3 13.15 0.00 2.92 3.24 0.00 80.69 08:01:01 AM all 11.28 0.00 1.16 0.56 0.01 87.00 08:01:01 AM 0 17.53 0.00 1.63 0.72 0.02 80.11 08:01:01 AM 1 6.03 0.00 0.92 0.68 0.00 92.37 08:01:01 AM 2 10.48 0.00 0.80 0.57 0.02 88.14 08:01:01 AM 3 11.06 0.00 1.27 0.27 0.00 87.40 08:02:01 AM all 29.95 0.00 1.85 1.28 0.02 66.91 08:02:01 AM 0 31.20 0.00 1.59 0.85 0.02 66.35 08:02:01 AM 1 29.83 0.00 2.82 3.19 0.02 64.13 08:02:01 AM 2 26.92 0.00 1.70 0.82 0.02 70.54 08:02:01 AM 3 31.84 0.00 1.27 0.27 0.02 66.61 08:03:01 AM all 1.02 0.00 0.32 0.51 0.00 98.16 08:03:01 AM 0 0.84 0.00 0.27 0.05 0.00 98.85 08:03:01 AM 1 1.10 0.00 0.38 0.25 0.00 98.26 08:03:01 AM 2 1.30 0.00 0.23 0.70 0.00 97.76 08:03:01 AM 3 0.82 0.00 0.38 1.02 0.00 97.78 08:04:01 AM all 21.40 0.08 1.85 0.54 0.01 76.12 08:04:01 AM 0 22.86 0.13 1.27 0.12 0.00 75.62 08:04:01 AM 1 18.99 0.03 2.62 1.51 0.02 76.83 08:04:01 AM 2 23.69 0.12 1.70 0.34 0.02 74.15 08:04:01 AM 3 20.04 0.05 1.83 0.18 0.00 77.89 08:05:01 AM all 17.36 0.00 8.77 7.48 0.01 66.37 08:05:01 AM 0 18.20 0.00 8.68 7.51 0.02 65.59 08:05:01 AM 1 20.44 0.00 9.87 8.22 0.02 61.45 08:05:01 AM 2 11.37 0.00 9.13 9.16 0.00 70.33 08:05:01 AM 3 19.44 0.00 7.41 5.04 0.02 68.09 08:06:01 AM all 35.71 0.00 1.42 1.07 0.02 61.78 08:06:01 AM 0 22.14 0.00 1.17 0.20 0.00 76.49 08:06:01 AM 1 71.11 0.00 2.49 2.22 0.05 24.13 08:06:01 AM 2 29.65 0.00 1.09 0.90 0.02 68.34 08:06:01 AM 3 19.94 0.00 0.92 0.95 0.02 78.18 Average: all 18.50 0.01 2.47 1.87 0.01 77.14 Average: 0 17.06 0.02 2.29 1.39 0.01 79.23 Average: 1 24.05 0.00 2.99 2.65 0.02 70.30 Average: 2 16.30 0.02 2.33 1.86 0.01 79.48 Average: 3 16.61 0.01 2.27 1.56 0.01 79.55