---> uname -a: Linux prd-centos8-docker-4c-4g-14376.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: 2799.974 BogoMIPS: 5599.94 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 805 12054 19 2901 14617 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:37:91:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe37:914f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:2d:75:84 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) 07/31/2026 _x86_64_ (4 CPU) 13:23:03 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 273.48 16.58 256.90 3824.09 16771.56 01:26:01 PM 53.20 4.63 48.57 371.74 8262.43 01:27:01 PM 29.03 1.65 27.38 123.05 2918.88 Average: 118.58 7.62 110.96 1439.83 9318.39 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12306548 14658268 3832772 23.75 2688 2553232 1419428 8.26 209604 3207224 225132 01:26:01 PM 11264936 13639164 4874384 30.20 2688 2574852 2478444 14.42 255580 4191804 892 01:27:01 PM 12311392 14937020 3827928 23.72 2688 2823636 1231532 7.17 531720 2870664 190456 Average: 11960959 14411484 4178361 25.89 2688 2650573 1709801 9.95 332301 3423231 138827 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 398.02 292.77 4845.53 59.81 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 23.64 23.64 4.93 4.93 0.00 0.00 0.00 0.00 01:26:01 PM eth0 33.09 24.53 105.12 20.16 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 5.20 5.20 1.15 1.15 0.00 0.00 0.00 0.00 01:27:01 PM eth0 76.40 82.95 278.39 930.64 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 9.61 9.61 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 169.19 133.43 1743.27 336.82 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) 07/31/2026 _x86_64_ (4 CPU) 13:23:03 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 30.06 0.00 2.98 1.71 0.10 65.15 01:25:01 PM 0 33.71 0.00 3.84 1.65 0.10 60.69 01:25:01 PM 1 31.66 0.00 2.84 2.18 0.12 63.20 01:25:01 PM 2 28.40 0.00 2.81 1.29 0.12 67.38 01:25:01 PM 3 26.46 0.00 2.43 1.72 0.07 69.32 01:26:01 PM all 43.22 0.00 1.12 0.63 0.10 54.93 01:26:01 PM 0 39.46 0.00 1.64 0.20 0.12 58.59 01:26:01 PM 1 51.12 0.00 1.00 0.20 0.10 47.58 01:26:01 PM 2 51.59 0.00 0.42 0.00 0.08 47.90 01:26:01 PM 3 30.70 0.00 1.44 2.11 0.10 65.66 01:27:01 PM all 18.33 0.00 1.42 0.31 0.48 79.46 01:27:01 PM 0 20.10 0.00 1.96 0.79 1.69 75.45 01:27:01 PM 1 20.61 0.00 1.27 0.00 0.07 78.06 01:27:01 PM 2 9.09 0.00 1.15 0.33 0.10 89.32 01:27:01 PM 3 23.54 0.00 1.29 0.13 0.08 74.95 Average: all 30.55 0.00 1.84 0.88 0.23 66.50 Average: 0 31.13 0.00 2.48 0.88 0.63 64.87 Average: 1 34.48 0.00 1.70 0.79 0.09 62.93 Average: 2 29.70 0.00 1.46 0.54 0.10 68.20 Average: 3 26.90 0.00 1.72 1.32 0.08 69.98