---> uname -a: Linux prd-centos8-docker-4c-4g-523.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 765 12095 20 2899 14656 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:18:4e:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.156/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe18:4e92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:99:4b:13 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) 10/10/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 243.29 39.55 203.73 7758.88 33393.22 01:25:01 PM 266.00 16.49 249.51 3824.22 15991.77 01:26:01 PM 73.42 4.58 68.84 371.00 9021.81 Average: 194.25 20.21 174.04 3984.89 19469.32 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13328304 15108732 2811012 17.42 2688 1997236 1114724 6.49 142224 2314132 193480 01:25:01 PM 12347616 14696484 3791700 23.49 2688 2551344 1410912 8.21 208968 3164620 243632 01:26:01 PM 11710740 14156576 4428576 27.44 2688 2646660 1952532 11.36 289780 3710872 75984 Average: 12462220 14653931 3677096 22.78 2688 2398413 1492723 8.68 213657 3063208 171032 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 302.00 192.32 1755.36 67.55 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 385.02 312.94 4766.97 58.46 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 31.96 31.96 8.30 8.30 0.00 0.00 0.00 0.00 01:26:01 PM eth0 79.12 69.01 332.46 34.31 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 Average: lo 10.65 10.65 2.77 2.77 0.00 0.00 0.00 0.00 Average: eth0 255.40 191.44 2285.17 53.44 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) 10/10/2026 _x86_64_ (4 CPU) 13:22:45 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.23 0.00 3.64 5.42 0.01 67.69 01:24:01 PM 0 30.47 0.00 4.55 2.74 0.02 62.22 01:24:01 PM 1 30.28 0.00 3.47 1.39 0.02 64.85 01:24:01 PM 2 13.79 0.00 2.90 3.75 0.00 79.55 01:24:01 PM 3 18.37 0.00 3.66 13.82 0.02 64.14 01:25:01 PM all 32.73 0.00 3.31 1.48 0.03 62.46 01:25:01 PM 0 29.53 0.00 4.54 2.63 0.03 63.26 01:25:01 PM 1 43.00 0.00 4.03 1.39 0.03 51.55 01:25:01 PM 2 25.39 0.00 1.91 0.50 0.02 72.18 01:25:01 PM 3 32.97 0.00 2.74 1.39 0.02 62.88 01:26:01 PM all 45.61 0.00 1.85 0.40 0.03 52.11 01:26:01 PM 0 51.12 0.00 1.25 0.30 0.05 47.28 01:26:01 PM 1 42.38 0.00 2.56 0.50 0.03 54.52 01:26:01 PM 2 33.86 0.00 2.14 0.64 0.02 63.34 01:26:01 PM 3 55.04 0.00 1.44 0.17 0.02 43.34 Average: all 33.87 0.00 2.93 2.43 0.02 60.75 Average: 0 37.05 0.00 3.45 1.89 0.03 57.58 Average: 1 38.56 0.00 3.35 1.09 0.03 56.97 Average: 2 24.35 0.00 2.32 1.63 0.01 71.69 Average: 3 35.49 0.00 2.61 5.11 0.02 56.77