---> uname -a: Linux prd-centos8-docker-4c-4g-5262.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 791 12111 20 2858 14623 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:fb:39:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.215/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fefb:39ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f7:af:f1:3c 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:f7ff:feaf:f13c/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) 10/26/2026 _x86_64_ (4 CPU) 12:27:56 LINUX RESTART (4 CPU) 12:29:01 PM tps rtps wtps bread/s bwrtn/s 12:30:01 PM 62.18 0.33 61.85 32.52 5353.17 12:31:01 PM 223.40 4.95 218.45 703.22 13663.36 12:32:01 PM 63.00 1.33 61.66 454.65 8374.11 12:33:01 PM 20.74 0.00 20.74 0.00 3045.80 12:34:01 PM 59.50 0.95 58.55 67.58 9831.77 Average: 85.76 1.51 84.24 251.58 8053.45 12:29:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 PM 13341180 15113068 2798136 17.34 2688 1989636 1123276 6.54 142324 2302448 158844 12:31:01 PM 12484860 14661280 3654456 22.64 2688 2379484 1559104 9.07 165368 3071436 211760 12:32:01 PM 11441820 13654768 4697496 29.11 2688 2414320 2927948 17.03 207800 4059512 60 12:33:01 PM 11062508 13618548 5076808 31.46 2688 2748424 2947836 17.15 207904 4404484 258152 12:34:01 PM 12389180 14963240 3750136 23.24 2688 2764528 1242272 7.23 510144 2776416 28604 Average: 12143910 14402181 3995406 24.76 2688 2459278 1960087 11.40 246708 3322859 131484 12:29:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 66.33 45.17 1062.01 7.47 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 319.91 246.33 3373.49 38.71 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:32:01 PM eth0 26.26 21.23 189.97 4.13 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 12:32:01 PM vethc82b1ab 0.08 0.28 0.00 0.03 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM eth0 112.41 61.68 2169.68 5.28 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:33:01 PM vethc82b1ab 0.15 0.22 0.01 0.01 0.00 0.00 0.00 0.00 12:34:01 PM lo 7.26 7.26 5.30 5.30 0.00 0.00 0.00 0.00 12:34:01 PM eth0 20.58 13.88 17.18 8.67 0.00 0.00 0.00 0.00 12:34:01 PM docker0 3.47 3.18 4.10 0.45 0.00 0.00 0.00 0.00 Average: lo 1.51 1.51 1.06 1.06 0.00 0.00 0.00 0.00 Average: eth0 109.09 77.65 1362.40 12.85 0.00 0.00 0.00 0.00 Average: docker0 0.74 0.70 0.82 0.09 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) 10/26/2026 _x86_64_ (4 CPU) 12:27:56 LINUX RESTART (4 CPU) 12:29:01 PM CPU %user %nice %system %iowait %steal %idle 12:30:01 PM all 10.35 0.00 0.97 0.28 0.00 88.40 12:30:01 PM 0 7.40 0.00 0.92 0.35 0.00 91.33 12:30:01 PM 1 6.09 0.00 0.48 0.20 0.00 93.22 12:30:01 PM 2 20.88 0.00 1.69 0.45 0.00 76.99 12:30:01 PM 3 7.05 0.00 0.78 0.10 0.00 92.07 12:31:01 PM all 19.81 0.00 2.11 0.99 0.01 77.07 12:31:01 PM 0 17.35 0.00 1.95 0.80 0.00 79.90 12:31:01 PM 1 16.08 0.00 1.54 0.72 0.02 81.65 12:31:01 PM 2 26.41 0.00 2.67 1.20 0.02 69.70 12:31:01 PM 3 19.42 0.00 2.28 1.24 0.02 77.05 12:32:01 PM all 17.52 0.00 0.74 0.30 0.01 81.43 12:32:01 PM 0 15.25 0.00 0.67 0.42 0.03 83.63 12:32:01 PM 1 19.51 0.00 1.19 0.35 0.00 78.95 12:32:01 PM 2 19.36 0.00 0.48 0.40 0.02 79.74 12:32:01 PM 3 15.97 0.00 0.62 0.02 0.00 83.40 12:33:01 PM all 2.43 0.00 0.93 0.12 0.00 96.52 12:33:01 PM 0 2.63 0.00 0.65 0.08 0.00 96.63 12:33:01 PM 1 2.76 0.00 0.97 0.32 0.02 95.94 12:33:01 PM 2 2.34 0.00 0.97 0.00 0.00 96.68 12:33:01 PM 3 2.01 0.00 1.12 0.07 0.00 96.81 12:34:01 PM all 27.98 0.08 1.97 0.30 0.01 69.65 12:34:01 PM 0 19.25 0.07 1.44 0.43 0.02 78.79 12:34:01 PM 1 43.71 0.05 2.66 0.08 0.02 53.48 12:34:01 PM 2 30.60 0.05 2.24 0.62 0.00 66.49 12:34:01 PM 3 18.36 0.15 1.56 0.07 0.02 79.85 Average: all 15.62 0.02 1.34 0.40 0.01 82.61 Average: 0 12.38 0.01 1.13 0.42 0.01 86.05 Average: 1 17.63 0.01 1.37 0.33 0.01 80.65 Average: 2 19.92 0.01 1.61 0.53 0.01 77.91 Average: 3 12.56 0.03 1.27 0.30 0.01 85.84