---> uname -a: Linux prd-centos8-docker-4c-4g-15446.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 nrip_save 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 758 12096 20 2906 14664 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:5b:7d:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.81/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86013sec preferred_lft 86013sec inet6 fe80::f816:3eff:fe5b:7d26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5d:fa:51:12 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) 08/26/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 73.90 21.53 52.37 5712.66 9929.71 01:25:01 PM 65.83 0.00 65.83 0.00 5052.08 01:26:01 PM 148.98 14.91 134.06 3220.93 13446.88 01:27:01 PM 148.91 5.71 143.20 1038.92 8829.67 01:28:01 PM 12.97 0.47 12.51 15.46 1194.29 Average: 90.12 8.52 81.60 1997.14 7690.01 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13559368 15128780 2579948 15.99 2688 1796680 1130664 6.58 137920 2123720 31888 01:25:01 PM 13292988 15077168 2846328 17.64 2688 2000680 1150956 6.70 139264 2351848 146480 01:26:01 PM 12778976 14885440 3360340 20.82 2688 2313168 1345772 7.83 187604 2771080 26720 01:27:01 PM 11574324 13951080 4564992 28.28 2688 2578480 2283528 13.29 249196 3889592 31288 01:28:01 PM 11440916 13820940 4698400 29.11 2688 2581584 2410620 14.03 255888 4018572 1112 Average: 12529314 14572682 3610002 22.37 2688 2254118 1664308 9.68 193974 3030962 47498 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 294.93 155.76 928.51 56.55 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 53.42 36.54 858.89 5.31 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 125.68 91.20 1142.14 29.32 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 3.80 3.80 0.40 0.40 0.00 0.00 0.00 0.00 01:27:01 PM eth0 332.76 207.19 3748.54 55.98 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 29.40 29.40 5.45 5.45 0.00 0.00 0.00 0.00 01:28:01 PM eth0 35.73 24.08 13.94 23.24 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 6.64 6.64 1.17 1.17 0.00 0.00 0.00 0.00 Average: eth0 168.52 102.97 1338.74 34.08 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) 08/26/2026 _x86_64_ (4 CPU) 13:22:29 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 13.20 0.00 2.06 8.68 0.07 75.99 01:24:01 PM 0 13.63 0.00 2.81 5.44 0.07 78.05 01:24:01 PM 1 20.30 0.00 1.97 12.04 0.08 65.60 01:24:01 PM 2 8.85 0.00 1.64 4.67 0.07 84.78 01:24:01 PM 3 10.02 0.00 1.81 12.58 0.07 75.52 01:25:01 PM all 9.44 0.00 0.90 3.51 0.05 86.11 01:25:01 PM 0 5.71 0.00 0.52 1.40 0.03 92.34 01:25:01 PM 1 7.75 0.00 0.55 5.18 0.05 86.46 01:25:01 PM 2 4.92 0.00 0.72 2.39 0.05 91.91 01:25:01 PM 3 19.36 0.00 1.80 5.05 0.07 73.72 01:26:01 PM all 18.04 0.00 1.93 11.06 0.10 68.86 01:26:01 PM 0 12.67 0.00 1.87 5.30 0.10 80.05 01:26:01 PM 1 26.92 0.00 3.10 14.38 0.12 55.48 01:26:01 PM 2 18.25 0.00 1.30 11.17 0.10 69.18 01:26:01 PM 3 14.34 0.00 1.45 13.39 0.10 70.71 01:27:01 PM all 46.77 0.00 1.89 7.20 0.15 43.98 01:27:01 PM 0 51.71 0.00 1.87 3.14 0.15 43.12 01:27:01 PM 1 50.45 0.00 1.20 4.56 0.13 43.66 01:27:01 PM 2 35.76 0.00 2.44 11.93 0.18 49.68 01:27:01 PM 3 49.15 0.00 2.05 9.17 0.15 39.48 01:28:01 PM all 14.93 0.00 0.79 1.06 0.05 83.16 01:28:01 PM 0 10.54 0.00 0.87 0.90 0.05 87.64 01:28:01 PM 1 18.73 0.00 0.62 2.12 0.05 78.48 01:28:01 PM 2 12.44 0.00 0.95 0.55 0.07 85.99 01:28:01 PM 3 18.00 0.00 0.73 0.67 0.05 80.54 Average: all 20.48 0.00 1.51 6.30 0.09 71.62 Average: 0 18.85 0.00 1.59 3.24 0.08 76.25 Average: 1 24.84 0.00 1.49 7.65 0.09 65.94 Average: 2 16.05 0.00 1.41 6.14 0.09 76.31 Average: 3 22.18 0.00 1.57 8.17 0.09 67.99