---> uname -a: Linux prd-centos8-docker-8c-8g-246.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1060 26390 20 4437 30358 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:98:f0:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.159/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86136sec preferred_lft 86136sec inet6 fe80::f816:3eff:fe98:f0d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:64:ff:3d:5f 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 inet6 fe80::42:64ff:feff:3d5f/64 scope link 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) 09/12/2026 _x86_64_ (8 CPU) 02:28:23 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 183.24 14.68 168.56 3221.46 10916.88 02:31:01 AM 224.49 6.10 218.39 1196.40 20565.41 02:32:01 AM 131.91 15.36 116.54 5444.85 28568.34 Average: 179.88 12.05 167.83 3287.57 20016.88 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29119112 31110656 3534260 10.82 2688 2307688 1591052 4.72 186564 2878176 223304 02:31:01 AM 27231632 29895600 5421740 16.60 2688 2971492 2503900 7.43 273464 4636760 299684 02:32:01 AM 27106080 31156928 5547292 16.99 2688 4340384 1474212 4.37 733412 4237832 708896 Average: 27818941 30721061 4834431 14.81 2688 3206521 1856388 5.51 397813 3917589 410628 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 186.42 125.92 2067.86 38.95 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1355.93 571.19 9294.36 65.77 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.95 11.95 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1000.90 313.35 4098.74 45.07 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.35 5.40 0.62 0.63 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 847.75 336.82 5153.65 49.93 0.00 0.00 0.00 0.00 Average: docker0 1.45 1.80 0.21 0.21 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) 09/12/2026 _x86_64_ (8 CPU) 02:28:23 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.74 0.00 1.47 0.47 0.02 84.31 02:30:01 AM 0 14.78 0.00 0.95 0.32 0.02 83.93 02:30:01 AM 1 17.29 0.00 1.99 0.82 0.03 79.87 02:30:01 AM 2 6.48 0.00 0.85 0.08 0.02 92.56 02:30:01 AM 3 12.36 0.00 1.19 0.38 0.02 86.06 02:30:01 AM 4 15.53 0.00 1.59 0.84 0.02 82.03 02:30:01 AM 5 24.08 0.00 2.44 0.58 0.02 72.88 02:30:01 AM 6 14.71 0.00 1.92 0.45 0.03 82.88 02:30:01 AM 7 4.63 0.00 0.79 0.30 0.02 94.27 02:31:01 AM all 29.89 0.00 1.79 0.65 0.03 67.64 02:31:01 AM 0 45.19 0.00 1.98 0.84 0.07 51.93 02:31:01 AM 1 23.59 0.00 1.48 0.54 0.03 74.37 02:31:01 AM 2 26.69 0.00 1.98 0.55 0.03 70.75 02:31:01 AM 3 28.00 0.00 2.75 1.02 0.02 68.20 02:31:01 AM 4 29.68 0.00 1.89 0.80 0.02 67.61 02:31:01 AM 5 24.58 0.00 1.19 0.67 0.02 73.55 02:31:01 AM 6 28.96 0.00 1.79 0.52 0.02 68.71 02:31:01 AM 7 32.44 0.00 1.29 0.23 0.03 66.00 02:32:01 AM all 21.56 0.29 3.47 0.63 0.03 74.03 02:32:01 AM 0 20.16 0.03 3.42 0.39 0.05 75.95 02:32:01 AM 1 21.09 0.00 3.68 0.87 0.03 74.32 02:32:01 AM 2 23.49 0.12 3.56 0.35 0.02 72.46 02:32:01 AM 3 21.76 2.04 3.59 0.74 0.02 71.85 02:32:01 AM 4 19.67 0.08 3.26 0.99 0.03 75.95 02:32:01 AM 5 22.60 0.02 3.12 0.47 0.02 73.78 02:32:01 AM 6 23.30 0.00 3.22 0.56 0.03 72.89 02:32:01 AM 7 20.39 0.00 3.91 0.67 0.03 75.00 Average: all 21.72 0.10 2.24 0.58 0.03 75.33 Average: 0 26.71 0.01 2.11 0.51 0.04 70.61 Average: 1 20.65 0.00 2.38 0.74 0.03 76.19 Average: 2 18.87 0.04 2.13 0.33 0.02 78.61 Average: 3 20.69 0.68 2.51 0.72 0.02 75.39 Average: 4 21.62 0.03 2.25 0.88 0.02 75.20 Average: 5 23.75 0.01 2.25 0.58 0.02 73.40 Average: 6 22.31 0.00 2.31 0.51 0.03 74.84 Average: 7 19.14 0.00 1.99 0.40 0.03 78.44