---> uname -a: Linux prd-centos8-docker-4c-4g-114.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 769 12090 20 2901 14653 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:51:98:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.235/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe51:989c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e3:9d:d9:ca 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) 09/11/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 235.29 19.69 215.59 4194.87 7852.27 01:25:01 PM 252.95 18.71 234.24 4040.52 14996.45 01:26:01 PM 48.80 2.38 46.42 235.65 8247.57 01:27:01 PM 41.61 1.63 39.98 122.91 9293.10 Average: 144.67 10.61 134.06 2148.57 10097.38 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13247756 15056928 2891560 17.92 2688 2025328 1134344 6.60 140508 2394508 187476 01:25:01 PM 11888656 14251664 4250660 26.34 2688 2564944 1834680 10.67 229044 3598012 230300 01:26:01 PM 11370052 13743804 4769264 29.55 2688 2575272 2344160 13.64 255104 4084736 896 01:27:01 PM 12363056 14989260 3776260 23.40 2688 2825472 1173700 6.83 540608 2809064 8464 Average: 12217380 14510414 3921936 24.30 2688 2497754 1621721 9.44 291316 3221580 106784 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 263.51 175.72 2012.97 67.16 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 509.76 333.07 4679.59 92.83 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 24.89 24.89 5.06 5.06 0.00 0.00 0.00 0.00 01:26:01 PM eth0 44.45 19.46 27.33 28.07 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 4.03 4.03 1.02 1.02 0.00 0.00 0.00 0.00 01:27:01 PM eth0 93.43 88.19 289.72 934.00 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 Average: lo 7.23 7.23 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 227.80 154.11 1752.47 280.49 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) 09/11/2026 _x86_64_ (4 CPU) 13:22:38 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 22.29 0.00 2.72 1.21 0.03 73.74 01:24:01 PM 0 20.51 0.00 3.27 2.88 0.03 73.30 01:24:01 PM 1 25.88 0.00 2.29 0.60 0.03 71.19 01:24:01 PM 2 32.74 0.00 3.71 1.04 0.05 62.46 01:24:01 PM 3 9.98 0.00 1.63 0.32 0.02 88.06 01:25:01 PM all 40.49 0.00 3.18 1.54 0.07 54.73 01:25:01 PM 0 38.24 0.00 2.37 0.77 0.07 58.56 01:25:01 PM 1 49.30 0.00 3.57 2.31 0.08 44.73 01:25:01 PM 2 37.03 0.00 3.41 1.71 0.07 57.78 01:25:01 PM 3 37.39 0.00 3.37 1.36 0.07 57.82 01:26:01 PM all 29.11 0.00 0.78 0.21 0.05 69.86 01:26:01 PM 0 35.57 0.00 0.25 0.00 0.03 64.15 01:26:01 PM 1 15.37 0.00 1.47 0.74 0.05 82.37 01:26:01 PM 2 35.57 0.00 0.50 0.02 0.05 63.86 01:26:01 PM 3 29.89 0.00 0.90 0.08 0.05 69.08 01:27:01 PM all 23.90 0.00 2.04 0.32 0.03 73.72 01:27:01 PM 0 12.22 0.00 1.54 0.07 0.02 86.16 01:27:01 PM 1 29.04 0.00 2.34 0.55 0.02 68.06 01:27:01 PM 2 39.65 0.00 2.81 0.45 0.03 57.06 01:27:01 PM 3 14.68 0.00 1.47 0.20 0.03 83.61 Average: all 28.94 0.00 2.18 0.82 0.04 68.01 Average: 0 26.64 0.00 1.85 0.93 0.04 70.54 Average: 1 29.89 0.00 2.42 1.05 0.05 66.60 Average: 2 36.25 0.00 2.61 0.80 0.05 60.29 Average: 3 22.99 0.00 1.84 0.49 0.04 74.63