---> uname -a: Linux prd-centos8-docker-4c-4g-10149.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 821 12028 19 2911 14602 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:9e:21:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.197/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe9e:21c6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f8:5e:6a:b5 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) 06/09/2026 _x86_64_ (4 CPU) 13:22:59 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 274.67 16.61 258.06 3925.57 16480.16 01:26:01 PM 58.21 4.55 53.66 346.74 8880.29 01:27:01 PM 56.10 3.15 52.95 140.09 9061.98 Average: 129.71 8.11 121.60 1471.68 11475.95 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12263128 14626040 3876192 24.02 2688 2564432 1474748 8.58 208104 3250248 245712 01:26:01 PM 10844896 13229628 5294424 32.80 2688 2585300 3173848 18.47 254296 4610928 1104 01:27:01 PM 12337740 14973448 3801580 23.55 2688 2833728 1218072 7.09 537596 2838224 24812 Average: 11815255 14276372 4324065 26.79 2688 2661153 1955556 11.38 333332 3566467 90543 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 454.08 322.90 4916.89 70.12 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 24.03 24.03 4.96 4.96 0.00 0.00 0.00 0.00 01:26:01 PM eth0 31.56 25.66 101.78 18.23 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 5.05 5.05 1.13 1.13 0.00 0.00 0.00 0.00 01:27:01 PM eth0 67.99 76.31 283.40 927.24 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 9.69 9.69 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 184.64 141.69 1768.50 338.46 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) 06/09/2026 _x86_64_ (4 CPU) 13:22:59 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 31.48 0.00 2.97 2.23 0.13 63.19 01:25:01 PM 0 29.23 0.00 3.15 2.63 0.12 64.87 01:25:01 PM 1 23.96 0.00 3.43 1.76 0.13 70.72 01:25:01 PM 2 42.26 0.00 2.82 2.17 0.13 52.61 01:25:01 PM 3 30.48 0.00 2.46 2.34 0.15 64.56 01:26:01 PM all 40.80 0.00 1.04 0.52 0.08 57.56 01:26:01 PM 0 38.57 0.00 0.75 0.18 0.08 60.41 01:26:01 PM 1 33.23 0.00 1.02 0.89 0.08 64.78 01:26:01 PM 2 49.22 0.00 0.68 0.12 0.07 49.91 01:26:01 PM 3 42.16 0.00 1.71 0.90 0.07 55.16 01:27:01 PM all 19.53 0.00 1.81 0.62 0.08 77.96 01:27:01 PM 0 27.22 0.00 2.29 0.30 0.08 70.11 01:27:01 PM 1 14.79 0.00 1.47 0.35 0.08 83.31 01:27:01 PM 2 25.68 0.00 1.64 0.60 0.08 72.00 01:27:01 PM 3 10.41 0.00 1.86 1.24 0.07 86.43 Average: all 30.60 0.00 1.94 1.12 0.10 66.24 Average: 0 31.67 0.00 2.06 1.04 0.09 65.13 Average: 1 23.99 0.00 1.97 1.00 0.10 72.94 Average: 2 39.06 0.00 1.72 0.96 0.09 58.17 Average: 3 27.68 0.00 2.01 1.49 0.09 68.72