---> uname -a: Linux prd-centos8-docker-4c-4g-6087.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 760 12088 20 2911 14662 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:04:5b:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.126/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe04:5b74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f3:67:c4:17 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) 09/29/2026 _x86_64_ (4 CPU) 13:22:39 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 255.02 19.12 235.90 4811.73 9311.58 01:25:01 PM 259.43 19.42 240.01 4210.66 15185.13 01:26:01 PM 57.11 2.10 55.01 79.84 8265.18 Average: 190.53 13.55 176.98 3034.31 10921.01 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13165636 15055284 2973680 18.43 2688 2102604 1140712 6.64 151340 2453520 256876 01:25:01 PM 11694512 14073796 4444804 27.54 2688 2580936 2011388 11.70 238236 3781680 228004 01:26:01 PM 12346848 14978772 3792468 23.50 2688 2831504 1183104 6.88 352152 3011916 262716 Average: 12402332 14702617 3736984 23.15 2688 2505015 1445068 8.41 247243 3082372 249199 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 319.44 190.54 2030.22 67.04 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 409.93 305.56 4606.56 58.66 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 32.07 32.07 8.31 8.31 0.00 0.00 0.00 0.00 01:26:01 PM eth0 85.44 70.38 281.32 45.20 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 Average: lo 10.69 10.69 2.77 2.77 0.00 0.00 0.00 0.00 Average: eth0 271.62 188.84 2306.27 56.97 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) 09/29/2026 _x86_64_ (4 CPU) 13:22:39 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.07 0.00 3.01 1.22 0.03 72.68 01:24:01 PM 0 11.40 0.00 2.99 2.84 0.02 82.75 01:24:01 PM 1 37.63 0.00 3.73 0.97 0.03 57.64 01:24:01 PM 2 27.10 0.00 3.19 0.54 0.03 69.14 01:24:01 PM 3 16.12 0.00 2.11 0.54 0.02 81.22 01:25:01 PM all 42.42 0.00 3.27 1.40 0.03 52.88 01:25:01 PM 0 42.85 0.00 3.09 1.87 0.03 52.16 01:25:01 PM 1 48.07 0.00 3.96 1.62 0.05 46.30 01:25:01 PM 2 34.44 0.00 2.97 0.92 0.02 61.65 01:25:01 PM 3 44.32 0.00 3.05 1.19 0.02 51.43 01:26:01 PM all 35.94 0.00 2.03 0.34 0.03 61.66 01:26:01 PM 0 36.37 0.00 1.74 0.12 0.03 61.75 01:26:01 PM 1 33.57 0.00 2.11 0.08 0.02 64.22 01:26:01 PM 2 47.15 0.00 2.82 0.33 0.05 49.64 01:26:01 PM 3 26.65 0.00 1.46 0.82 0.03 71.03 Average: all 33.81 0.00 2.77 0.99 0.03 62.41 Average: 0 30.21 0.00 2.61 1.61 0.03 65.55 Average: 1 39.76 0.00 3.27 0.89 0.03 56.05 Average: 2 36.23 0.00 2.99 0.60 0.03 60.14 Average: 3 29.03 0.00 2.20 0.85 0.02 67.89