---> uname -a: Linux prd-centos8-docker-4c-4g-4202.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 752 12109 20 2898 14669 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:e7:76:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86067sec preferred_lft 86067sec inet6 fe80::f816:3eff:fee7:7602/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:55:ef:c6:1a 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/22/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 268.82 80.31 188.51 9361.05 39551.14 01:25:01 PM 98.30 0.08 98.22 1.60 9534.21 01:26:01 PM 149.82 14.85 134.97 3116.16 9284.62 01:27:01 PM 125.31 6.27 119.05 1080.75 9703.52 01:28:01 PM 42.59 1.65 40.94 123.05 9522.35 Average: 136.98 20.63 116.34 2736.98 15520.56 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13553104 15107328 2586212 16.02 2688 1782344 1164392 6.77 134276 2138716 36420 01:25:01 PM 13169460 15049752 2969856 18.40 2688 2093220 1184784 6.89 150516 2444804 138868 01:26:01 PM 12561084 14840288 3578232 22.17 2688 2482944 1346728 7.84 189704 2973492 202976 01:27:01 PM 11327012 13697552 4812304 29.82 2688 2571408 2399656 13.96 254264 4126652 1060 01:28:01 PM 12452044 15075088 3687272 22.85 2688 2821860 1096736 6.38 539024 2721180 7560 Average: 12612541 14754002 3526775 21.85 2688 2350355 1438459 8.37 253557 2880969 77377 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 301.08 177.26 923.10 64.06 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 76.82 44.26 1153.69 7.52 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 313.71 240.32 3760.10 40.06 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 28.81 28.81 7.37 7.37 0.00 0.00 0.00 0.00 01:27:01 PM eth0 110.88 97.77 814.48 53.41 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 2.90 2.90 0.91 0.91 0.00 0.00 0.00 0.00 01:28:01 PM eth0 85.40 70.97 275.31 929.58 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.34 6.34 1.66 1.66 0.00 0.00 0.00 0.00 Average: eth0 177.59 126.12 1385.38 218.91 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 10/22/2026 _x86_64_ (4 CPU) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 14.76 0.00 2.51 2.03 0.01 80.69 01:24:01 PM 0 14.41 0.00 1.49 1.07 0.02 83.01 01:24:01 PM 1 16.86 0.00 3.73 2.56 0.00 76.85 01:24:01 PM 2 10.06 0.00 2.44 1.31 0.00 86.19 01:24:01 PM 3 17.71 0.00 2.36 3.19 0.02 76.73 01:25:01 PM all 11.06 0.00 1.09 0.44 0.01 87.40 01:25:01 PM 0 7.28 0.00 0.70 0.23 0.00 91.79 01:25:01 PM 1 2.99 0.00 0.52 0.53 0.02 95.94 01:25:01 PM 2 14.01 0.00 1.35 0.68 0.02 83.93 01:25:01 PM 3 19.95 0.00 1.78 0.32 0.00 77.95 01:26:01 PM all 18.79 0.00 2.04 1.04 0.02 78.11 01:26:01 PM 0 15.59 0.00 1.85 0.85 0.02 81.68 01:26:01 PM 1 18.41 0.00 1.99 0.79 0.02 78.79 01:26:01 PM 2 15.32 0.00 2.09 1.44 0.00 81.15 01:26:01 PM 3 25.81 0.00 2.22 1.10 0.03 70.83 01:27:01 PM all 44.81 0.00 1.68 0.62 0.03 52.86 01:27:01 PM 0 50.67 0.00 1.62 0.78 0.03 46.90 01:27:01 PM 1 53.83 0.00 0.82 0.02 0.03 45.30 01:27:01 PM 2 30.90 0.00 2.68 1.46 0.02 64.95 01:27:01 PM 3 43.82 0.00 1.60 0.22 0.02 54.34 01:28:01 PM all 19.57 0.00 1.78 0.30 0.03 78.33 01:28:01 PM 0 38.51 0.00 2.44 0.07 0.03 58.95 01:28:01 PM 1 12.15 0.00 1.20 0.37 0.03 86.25 01:28:01 PM 2 9.65 0.00 1.77 0.32 0.02 88.25 01:28:01 PM 3 17.96 0.00 1.72 0.43 0.02 79.87 Average: all 21.80 0.00 1.82 0.89 0.02 75.48 Average: 0 25.30 0.00 1.62 0.60 0.02 72.46 Average: 1 20.85 0.00 1.65 0.85 0.02 76.62 Average: 2 15.98 0.00 2.07 1.04 0.01 80.90 Average: 3 25.05 0.00 1.94 1.05 0.02 71.95