---> uname -a: Linux prd-centos8-docker-4c-4g-2770.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 1051 10741 20 3968 14359 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:e4:22:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.14/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85896sec preferred_lft 85896sec inet6 fe80::f816:3eff:fee4:223a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ad:18:4d:de 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:adff:fe18:4dde/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) 08:38:18 LINUX RESTART (4 CPU) 08:39:01 AM tps rtps wtps bread/s bwrtn/s 08:40:01 AM 205.40 10.55 194.85 1465.64 6445.98 08:41:01 AM 92.70 3.97 88.74 1909.63 8334.69 08:42:01 AM 219.69 18.58 201.12 2104.10 13916.06 08:43:01 AM 15.79 0.47 15.33 397.73 1033.02 08:44:01 AM 73.48 1.47 72.01 119.83 12155.78 08:45:01 AM 1113.35 11.40 1101.95 152.11 34953.51 08:46:01 AM 139.66 93.22 46.44 1717.45 3268.51 08:47:01 AM 59.35 15.44 43.91 395.27 2786.41 Average: 239.91 19.38 220.52 1032.71 10361.22 08:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 AM 13363480 15064880 2775836 17.20 2688 1925360 1201972 6.99 155356 2291388 105984 08:41:01 AM 13039084 15074320 3100232 19.21 2688 2243624 1407996 8.19 146932 2564344 188392 08:42:01 AM 11926460 14209788 4212856 26.10 2688 2485336 1892804 11.01 204664 3585612 7888 08:43:01 AM 11762892 14151908 4376424 27.12 2688 2586112 2269176 13.20 206204 3728020 75156 08:44:01 AM 11537764 14330008 4601552 28.51 2688 2983100 2014936 11.72 421620 3711888 134688 08:45:01 AM 10095380 13678056 6043936 37.45 2688 3575084 2030572 11.81 463712 4661112 42624 08:46:01 AM 10238616 13899928 5900700 36.56 2688 3650124 2035964 11.85 483284 4494948 16968 08:47:01 AM 10997088 14702652 5142228 31.86 2688 3687440 1225856 7.13 692048 3532112 7252 Average: 11620096 14388942 4519220 28.00 2688 2892022 1759910 10.24 346728 3571178 72369 08:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 AM eth0 193.69 114.25 1283.93 46.33 0.00 0.00 0.00 0.00 08:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 AM eth0 74.79 51.55 875.25 12.07 0.00 0.00 0.00 0.00 08:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 AM eth0 231.14 210.91 2718.62 34.04 0.00 0.00 0.00 0.00 08:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:43:01 AM eth0 40.29 20.74 561.61 2.56 0.00 0.00 0.00 0.00 08:43:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 08:43:01 AM veth6e53cbe 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 08:44:01 AM lo 7.50 7.50 5.36 5.36 0.00 0.00 0.00 0.00 08:44:01 AM eth0 116.94 84.44 1965.45 959.96 0.00 0.00 0.00 0.00 08:44:01 AM docker0 3.65 3.18 4.11 0.45 0.00 0.00 0.00 0.00 08:44:01 AM veth6e53cbe 0.20 0.25 0.01 0.01 0.00 0.00 0.00 0.00 08:45:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 AM eth0 140.26 98.97 1468.61 15.95 0.00 0.00 0.00 0.00 08:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 AM eth0 5.95 4.62 59.04 0.92 0.00 0.00 0.00 0.00 08:46:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 AM eth0 27.57 20.37 52.87 40.93 0.00 0.00 0.00 0.00 08:47:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.96 0.96 0.67 0.67 0.00 0.00 0.00 0.00 Average: eth0 103.83 75.73 1123.17 139.10 0.00 0.00 0.00 0.00 Average: docker0 0.48 0.43 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) 08:38:18 LINUX RESTART (4 CPU) 08:39:01 AM CPU %user %nice %system %iowait %steal %idle 08:40:01 AM all 12.03 0.00 1.49 1.05 0.02 85.42 08:40:01 AM 0 14.25 0.00 1.49 0.55 0.02 83.69 08:40:01 AM 1 8.08 0.00 1.29 0.37 0.02 90.25 08:40:01 AM 2 15.11 0.00 2.11 2.93 0.02 79.83 08:40:01 AM 3 10.66 0.00 1.05 0.37 0.02 87.90 08:41:01 AM all 10.74 0.00 1.18 0.60 0.03 87.45 08:41:01 AM 0 9.62 0.00 1.04 0.63 0.02 88.70 08:41:01 AM 1 24.03 0.00 2.54 0.90 0.05 72.48 08:41:01 AM 2 2.64 0.00 0.70 0.59 0.02 96.05 08:41:01 AM 3 6.67 0.00 0.45 0.28 0.02 92.58 08:42:01 AM all 27.22 0.00 1.81 1.23 0.03 69.71 08:42:01 AM 0 27.47 0.00 1.94 1.32 0.03 69.24 08:42:01 AM 1 26.23 0.00 1.79 1.10 0.02 70.85 08:42:01 AM 2 26.65 0.00 1.71 1.74 0.03 69.87 08:42:01 AM 3 28.51 0.00 1.81 0.75 0.03 68.89 08:43:01 AM all 1.72 0.00 0.58 0.08 0.00 97.62 08:43:01 AM 0 1.59 0.00 0.52 0.07 0.02 97.81 08:43:01 AM 1 1.67 0.00 0.84 0.12 0.00 97.37 08:43:01 AM 2 1.69 0.00 0.62 0.10 0.00 97.59 08:43:01 AM 3 1.92 0.00 0.35 0.02 0.00 97.71 08:44:01 AM all 26.45 0.10 2.09 0.45 0.03 70.88 08:44:01 AM 0 25.30 0.12 2.42 1.02 0.03 71.11 08:44:01 AM 1 23.77 0.00 1.66 0.27 0.03 74.27 08:44:01 AM 2 29.97 0.20 1.89 0.25 0.02 67.67 08:44:01 AM 3 26.76 0.08 2.40 0.27 0.03 70.45 08:45:01 AM all 18.53 0.00 10.25 6.84 0.03 64.35 08:45:01 AM 0 22.99 0.00 9.81 3.87 0.02 63.30 08:45:01 AM 1 14.65 0.00 9.20 7.94 0.02 68.20 08:45:01 AM 2 8.70 0.00 10.84 8.32 0.02 72.11 08:45:01 AM 3 27.76 0.00 11.15 7.24 0.05 53.80 08:46:01 AM all 40.91 0.00 1.48 1.03 0.03 56.56 08:46:01 AM 0 46.45 0.00 1.82 2.22 0.03 49.47 08:46:01 AM 1 66.07 0.00 1.70 0.17 0.05 32.01 08:46:01 AM 2 25.85 0.00 0.87 0.47 0.00 72.81 08:46:01 AM 3 25.21 0.00 1.51 1.26 0.02 72.01 08:47:01 AM all 24.19 0.00 2.14 0.35 0.03 73.30 08:47:01 AM 0 21.78 0.00 2.22 0.10 0.02 75.88 08:47:01 AM 1 23.02 0.00 1.95 0.33 0.03 74.66 08:47:01 AM 2 18.66 0.00 2.12 0.40 0.02 78.80 08:47:01 AM 3 33.30 0.00 2.26 0.57 0.03 63.84 Average: all 20.22 0.01 2.61 1.44 0.02 75.69 Average: 0 21.18 0.01 2.64 1.22 0.02 74.93 Average: 1 23.46 0.00 2.61 1.39 0.03 72.51 Average: 2 16.17 0.03 2.59 1.84 0.01 79.36 Average: 3 20.08 0.01 2.61 1.33 0.03 75.95