---> uname -a: Linux prd-centos8-docker-4c-4g-3890.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 1069 10764 20 3926 14341 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:15:1d:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.8/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe15:1d74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6b:47:17:a7 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::42:6bff:fe47:17a7/64 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) 09/21/2026 _x86_64_ (4 CPU) 12:24:57 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 250.47 5.69 244.77 740.19 16627.14 12:28:01 PM 246.73 2.22 244.51 497.62 35514.89 12:29:01 PM 997.44 115.74 881.70 2032.38 23469.12 Average: 498.20 41.21 456.98 1090.06 25202.19 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 11832516 14040992 4306800 26.69 2688 2411652 2317812 13.49 192064 3696680 187268 12:28:01 PM 10373868 13836820 5765448 35.72 2688 3529700 1964540 11.43 353348 4716308 406264 12:29:01 PM 9910132 13536680 6229184 38.60 2688 3615908 2158184 12.56 421368 4902100 16968 Average: 10705505 13804831 5433811 33.67 2688 3185753 2146845 12.49 322260 4438363 203500 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 368.36 276.77 3903.69 41.72 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 6.30 6.30 4.52 4.52 0.00 0.00 0.00 0.00 12:28:01 PM eth0 359.80 228.92 4079.42 34.10 0.00 0.00 0.00 0.00 12:28:01 PM docker0 3.30 3.02 4.08 0.44 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 5.11 3.61 59.01 1.37 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 Average: lo 2.10 2.10 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 244.43 169.78 2680.76 25.73 0.00 0.00 0.00 0.00 Average: docker0 1.10 1.00 1.36 0.15 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) 09/21/2026 _x86_64_ (4 CPU) 12:24:57 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 30.76 0.00 2.38 1.15 0.07 65.63 12:27:01 PM 0 25.13 0.00 1.97 0.94 0.07 71.90 12:27:01 PM 1 28.71 0.00 2.88 1.27 0.10 67.03 12:27:01 PM 2 42.22 0.00 2.99 1.45 0.07 53.27 12:27:01 PM 3 27.00 0.00 1.69 0.95 0.05 70.31 12:28:01 PM all 40.30 0.09 7.70 1.12 0.03 50.77 12:28:01 PM 0 36.17 0.03 7.87 1.31 0.02 54.60 12:28:01 PM 1 47.78 0.02 9.13 1.22 0.03 41.82 12:28:01 PM 2 36.37 0.08 6.31 0.85 0.03 56.36 12:28:01 PM 3 40.85 0.22 7.50 1.09 0.02 50.33 12:29:01 PM all 38.83 0.00 4.37 6.14 0.03 50.63 12:29:01 PM 0 28.33 0.00 4.74 7.39 0.02 59.51 12:29:01 PM 1 57.31 0.00 4.65 5.20 0.03 32.81 12:29:01 PM 2 33.86 0.00 3.67 5.81 0.03 56.63 12:29:01 PM 3 35.84 0.00 4.42 6.14 0.03 53.56 Average: all 36.61 0.03 4.80 2.81 0.04 55.71 Average: 0 29.84 0.01 4.84 3.22 0.03 62.05 Average: 1 44.58 0.01 5.54 2.57 0.06 47.26 Average: 2 37.49 0.03 4.31 2.71 0.04 55.41 Average: 3 34.53 0.07 4.52 2.73 0.03 58.11