---> uname -a: Linux prd-centos8-docker-4c-4g-2797.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 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 1060 10713 20 3987 14350 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:08:4d:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.52/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85868sec preferred_lft 85868sec inet6 fe80::f816:3eff:fe08:4da5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ae:87:97:d2 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:aeff:fe87:97d2/64 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) 09:27:59 LINUX RESTART (4 CPU) 09:29:01 AM tps rtps wtps bread/s bwrtn/s 09:30:01 AM 62.35 0.42 61.93 39.32 4900.45 09:31:01 AM 211.00 18.48 192.52 3459.65 13465.71 09:32:01 AM 88.95 4.50 84.46 1036.59 8479.87 09:33:01 AM 13.53 0.00 13.53 0.00 2036.10 09:34:01 AM 88.22 1.53 86.69 102.90 15388.74 09:35:01 AM 1198.57 84.11 1114.46 1554.15 31250.48 09:36:01 AM 69.31 36.00 33.31 600.20 1901.62 09:37:01 AM 41.61 3.18 38.43 133.58 2618.50 Average: 221.70 18.53 203.17 865.81 10005.34 09:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 AM 13322468 15112264 2816848 17.45 2688 2006320 1148028 6.68 145432 2315604 175720 09:31:01 AM 12658760 14802328 3480556 21.57 2688 2347472 1358700 7.90 160500 2903236 97340 09:32:01 AM 11868300 14180960 4271016 26.46 2688 2513776 2198768 12.79 205944 3634400 56 09:33:01 AM 11495608 14151372 4643708 28.77 2688 2847880 2243436 13.05 206048 3975576 288160 09:34:01 AM 11220240 14181324 4919076 30.48 2688 3136752 1828836 10.64 420344 3993480 146852 09:35:01 AM 9975244 13618224 6164072 38.19 2688 3630704 1878400 10.93 469832 4765180 6744 09:36:01 AM 10113084 13798516 6026232 37.34 2688 3670928 1848648 10.76 500856 4596360 15412 09:37:01 AM 10975696 14697212 5163620 31.99 2688 3702904 1254208 7.30 702836 3535716 8336 Average: 11453675 14317775 4685641 29.03 2688 2982092 1719878 10.01 351474 3714944 92328 09:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM eth0 62.18 37.45 922.93 6.21 0.00 0.00 0.00 0.00 09:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 150.20 121.39 1492.42 31.45 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 09:32:01 AM eth0 178.99 140.50 2057.62 15.36 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 09:32:01 AM veth5239dcd 0.08 0.28 0.01 0.03 0.00 0.00 0.00 0.00 09:33:01 AM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 09:33:01 AM eth0 156.01 64.45 2174.27 5.40 0.00 0.00 0.00 0.00 09:33:01 AM docker0 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 09:33:01 AM veth5239dcd 0.18 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:34:01 AM lo 8.05 8.05 5.44 5.44 0.00 0.00 0.00 0.00 09:34:01 AM eth0 98.97 90.67 893.38 947.99 0.00 0.00 0.00 0.00 09:34:01 AM docker0 3.45 3.15 4.10 0.45 0.00 0.00 0.00 0.00 09:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM eth0 117.16 77.24 993.96 13.67 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:36:01 AM lo 4.77 4.77 0.67 0.67 0.00 0.00 0.00 0.00 09:36:01 AM eth0 2.17 1.97 3.28 0.74 0.00 0.00 0.00 0.00 09:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:37:01 AM eth0 22.13 19.46 51.09 50.58 0.00 0.00 0.00 0.00 09:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.64 1.64 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 98.48 69.14 1073.64 133.93 0.00 0.00 0.00 0.00 Average: docker0 0.46 0.44 0.51 0.06 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) 09:27:59 LINUX RESTART (4 CPU) 09:29:01 AM CPU %user %nice %system %iowait %steal %idle 09:30:01 AM all 9.58 0.00 0.92 0.27 0.01 89.23 09:30:01 AM 0 4.63 0.00 0.60 0.18 0.00 94.59 09:30:01 AM 1 12.49 0.00 1.30 0.22 0.02 85.97 09:30:01 AM 2 18.89 0.00 1.60 0.60 0.02 78.89 09:30:01 AM 3 2.29 0.00 0.18 0.07 0.00 97.46 09:31:01 AM all 18.89 0.00 1.95 1.11 0.02 78.04 09:31:01 AM 0 27.97 0.00 2.00 0.63 0.02 69.38 09:31:01 AM 1 21.53 0.00 2.47 1.29 0.02 74.69 09:31:01 AM 2 14.49 0.00 1.55 1.30 0.02 82.64 09:31:01 AM 3 11.54 0.00 1.76 1.21 0.02 85.47 09:32:01 AM all 18.01 0.00 1.06 0.45 0.00 80.47 09:32:01 AM 0 19.41 0.00 1.55 0.62 0.02 78.40 09:32:01 AM 1 19.22 0.00 0.69 0.03 0.00 80.06 09:32:01 AM 2 13.47 0.00 1.27 1.04 0.00 84.22 09:32:01 AM 3 19.95 0.00 0.74 0.12 0.00 79.20 09:33:01 AM all 2.80 0.00 1.11 0.05 0.01 96.03 09:33:01 AM 0 2.92 0.00 0.99 0.07 0.00 96.02 09:33:01 AM 1 2.96 0.00 1.24 0.12 0.02 95.67 09:33:01 AM 2 2.70 0.00 1.16 0.00 0.02 96.13 09:33:01 AM 3 2.61 0.00 1.05 0.03 0.00 96.30 09:34:01 AM all 30.59 0.10 2.83 0.77 0.01 65.70 09:34:01 AM 0 31.74 0.05 2.38 0.50 0.02 65.32 09:34:01 AM 1 28.45 0.03 2.80 0.29 0.00 68.43 09:34:01 AM 2 30.26 0.23 2.13 0.60 0.00 66.77 09:34:01 AM 3 31.92 0.08 4.01 1.68 0.02 62.29 09:35:01 AM all 26.24 0.00 9.24 6.91 0.03 57.58 09:35:01 AM 0 46.60 0.00 9.93 6.13 0.03 37.30 09:35:01 AM 1 22.10 0.00 9.44 7.88 0.03 60.55 09:35:01 AM 2 15.88 0.00 8.15 6.13 0.03 69.80 09:35:01 AM 3 20.35 0.00 9.44 7.49 0.03 62.69 09:36:01 AM all 43.08 0.00 1.44 0.35 0.03 55.09 09:36:01 AM 0 30.37 0.00 1.09 0.08 0.03 68.43 09:36:01 AM 1 73.31 0.00 1.86 0.30 0.05 24.49 09:36:01 AM 2 34.20 0.00 1.22 0.27 0.03 64.28 09:36:01 AM 3 34.43 0.00 1.61 0.75 0.02 63.19 09:37:01 AM all 20.13 0.00 1.76 0.19 0.02 77.91 09:37:01 AM 0 23.50 0.00 2.07 0.05 0.02 74.37 09:37:01 AM 1 13.61 0.00 1.50 0.30 0.02 84.57 09:37:01 AM 2 22.13 0.00 2.14 0.32 0.02 75.39 09:37:01 AM 3 21.26 0.00 1.34 0.08 0.02 77.30 Average: all 21.15 0.01 2.53 1.25 0.02 75.03 Average: 0 23.37 0.01 2.57 1.03 0.02 73.02 Average: 1 24.21 0.00 2.65 1.30 0.02 71.82 Average: 2 19.01 0.03 2.39 1.28 0.02 77.28 Average: 3 18.04 0.01 2.50 1.42 0.01 78.02