---> uname -a: Linux prd-centos8-docker-4c-4g-3363.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 1052 10792 20 3915 14358 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:49:91:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85926sec preferred_lft 85926sec inet6 fe80::f816:3eff:fe49:915a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:69:eb:0c:d9 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::42:69ff:feeb:cd9/64 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) 10/19/2026 _x86_64_ (4 CPU) 12:26:05 LINUX RESTART (4 CPU) 12:27:01 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 60.76 0.33 60.43 32.52 4640.52 12:29:01 PM 186.07 4.90 181.17 447.85 13376.24 12:30:00 PM 97.95 1.33 96.61 354.34 9107.55 12:30:01 PM 98.11 12.58 85.53 14545.91 15906.92 12:31:01 PM 23.66 0.00 23.66 0.00 3102.75 12:32:01 PM 97.55 1.48 96.07 79.43 18264.52 12:33:01 PM 1205.33 95.07 1110.26 1697.43 30013.30 12:34:01 PM 60.64 23.90 36.74 475.79 1952.39 Average: 247.43 18.19 229.24 494.76 11520.22 12:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 13364028 15106600 2775288 17.20 2688 1959556 1106744 6.44 139844 2280184 137844 12:29:01 PM 12640092 14680136 3499224 21.68 2688 2245328 1588076 9.24 160792 2927516 93664 12:30:00 PM 11565624 13777932 4573692 28.34 2688 2414952 2452496 14.27 207176 3939084 6304 12:30:01 PM 11531868 13756696 4607448 28.55 2688 2426948 2737276 15.93 208484 3970328 52 12:31:01 PM 11157632 13725420 4981684 30.87 2688 2760924 2778676 16.17 208576 4314112 258108 12:32:01 PM 11101340 14155476 5037976 31.22 2688 3201196 1827592 10.63 354892 4128888 210756 12:33:01 PM 9837176 13422712 6302140 39.05 2688 3575944 1905484 11.09 404316 4974260 6756 12:34:01 PM 11096904 14745532 5042412 31.24 2688 3633780 1174172 6.83 622912 3503292 38828 Average: 11536833 14171313 4602483 28.52 2688 2777328 1946314 11.32 288374 3754708 94039 12:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 62.00 36.72 927.98 6.38 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 136.42 116.13 1512.33 24.40 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 PM eth0 201.28 155.33 2521.66 17.44 0.00 0.00 0.00 0.00 12:30:00 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 5.66 5.66 0.41 0.41 0.00 0.00 0.00 0.00 12:30:01 PM eth0 0.00 1.26 0.00 0.10 0.00 0.00 0.00 0.00 12:30:01 PM docker0 2.52 5.66 0.12 0.56 0.00 0.00 0.00 0.00 12:30:01 PM veth99ff402 2.52 7.55 0.15 0.73 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:31:01 PM eth0 184.20 73.69 2176.84 6.06 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.15 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:31:01 PM veth99ff402 0.15 0.27 0.01 0.02 0.00 0.00 0.00 0.00 12:32:01 PM lo 6.35 6.35 4.59 4.59 0.00 0.00 0.00 0.00 12:32:01 PM eth0 119.34 97.95 1104.06 21.44 0.00 0.00 0.00 0.00 12:32:01 PM docker0 3.30 3.07 4.08 0.44 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM eth0 69.43 45.90 762.20 7.83 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 PM eth0 22.11 17.98 50.81 6.80 0.00 0.00 0.00 0.00 12:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.66 0.66 0.00 0.00 0.00 0.00 Average: eth0 112.78 77.09 1284.16 12.84 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.48 0.58 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) 10/19/2026 _x86_64_ (4 CPU) 12:26:05 LINUX RESTART (4 CPU) 12:27:01 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 9.98 0.00 1.02 0.27 0.01 88.73 12:28:01 PM 0 8.32 0.00 0.85 0.18 0.02 90.62 12:28:01 PM 1 20.06 0.00 1.80 0.48 0.00 77.65 12:28:01 PM 2 7.26 0.00 0.83 0.12 0.00 91.78 12:28:01 PM 3 4.26 0.00 0.58 0.28 0.02 94.86 12:29:01 PM all 19.13 0.00 1.86 1.09 0.02 77.90 12:29:01 PM 0 13.01 0.00 1.44 1.10 0.02 84.43 12:29:01 PM 1 20.86 0.00 2.19 1.15 0.03 75.76 12:29:01 PM 2 13.31 0.00 1.67 0.84 0.02 84.17 12:29:01 PM 3 29.35 0.00 2.12 1.27 0.02 67.24 12:30:00 PM all 20.01 0.00 0.99 0.86 0.03 78.11 12:30:00 PM 0 23.56 0.00 0.89 0.57 0.03 74.94 12:30:00 PM 1 17.93 0.00 1.54 2.37 0.05 78.10 12:30:00 PM 2 21.86 0.00 0.67 0.31 0.02 77.14 12:30:00 PM 3 16.68 0.00 0.84 0.19 0.03 82.26 12:30:01 PM all 10.35 0.00 5.73 0.96 0.00 82.96 12:30:01 PM 0 13.46 0.00 6.41 2.56 0.00 77.56 12:30:01 PM 1 10.90 0.00 4.49 0.00 0.00 84.62 12:30:01 PM 2 5.06 0.00 5.70 0.63 0.00 88.61 12:30:01 PM 3 12.03 0.00 6.33 0.63 0.00 81.01 12:31:01 PM all 2.53 0.00 0.98 0.14 0.00 96.35 12:31:01 PM 0 2.96 0.00 0.70 0.03 0.00 96.30 12:31:01 PM 1 2.83 0.00 1.00 0.02 0.00 96.15 12:31:01 PM 2 2.25 0.00 1.29 0.20 0.02 96.24 12:31:01 PM 3 2.08 0.00 0.90 0.32 0.00 96.70 12:32:01 PM all 29.89 0.10 4.11 0.53 0.03 65.35 12:32:01 PM 0 30.12 0.05 4.33 0.88 0.03 64.59 12:32:01 PM 1 27.68 0.27 4.15 0.39 0.03 67.48 12:32:01 PM 2 28.39 0.02 3.52 0.37 0.02 67.69 12:32:01 PM 3 33.34 0.07 4.43 0.49 0.03 61.64 12:33:01 PM all 28.26 0.00 8.21 8.03 0.03 55.47 12:33:01 PM 0 36.63 0.00 9.08 9.66 0.03 44.59 12:33:01 PM 1 20.07 0.00 7.52 7.10 0.02 65.29 12:33:01 PM 2 32.33 0.00 7.99 8.46 0.03 51.18 12:33:01 PM 3 24.09 0.00 8.27 6.90 0.02 60.71 12:34:01 PM all 32.39 0.00 2.03 0.51 0.02 65.05 12:34:01 PM 0 30.29 0.00 2.17 0.17 0.02 67.35 12:34:01 PM 1 19.93 0.00 1.34 0.58 0.02 78.14 12:34:01 PM 2 44.70 0.00 2.32 0.73 0.02 52.23 12:34:01 PM 3 34.64 0.00 2.30 0.53 0.03 62.49 Average: all 20.26 0.01 2.75 1.62 0.02 75.34 Average: 0 20.61 0.01 2.78 1.78 0.02 74.80 Average: 1 18.44 0.04 2.80 1.71 0.02 76.99 Average: 2 21.37 0.00 2.62 1.57 0.02 74.42 Average: 3 20.61 0.01 2.79 1.42 0.02 75.15