---> uname -a: Linux prd-centos8-docker-8c-8g-4050.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1048 27234 20 3604 30376 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:8c:84:df brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86139sec preferred_lft 86139sec inet6 fe80::f816:3eff:fe8c:84df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6d:05:84:f8 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::42:6dff:fe05:84f8/64 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) 09/22/2026 _x86_64_ (8 CPU) 03:37:22 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 125.97 2.57 123.41 1614.53 9908.20 03:40:01 AM 423.14 13.63 409.51 2238.32 13808.70 03:41:01 AM 229.28 5.70 223.58 578.44 13761.44 Average: 259.47 7.30 252.17 1477.15 12492.71 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 29348792 31266144 3304580 10.12 2688 2235768 1396824 4.14 149664 2691688 213920 03:40:01 AM 28398660 30638868 4254712 13.03 2688 2549184 1912236 5.67 218572 3532880 166440 03:41:01 AM 26790164 29668296 5863208 17.96 2688 3179048 2783484 8.26 483532 4839840 423156 Average: 28179205 30524436 4474167 13.70 2688 2654667 2030848 6.03 283923 3688136 267839 03:38:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:39:01 AM eth0 130.66 93.14 1640.11 28.67 0.00 0.00 0.00 0.00 03:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:01 AM eth0 394.52 358.20 3785.14 55.60 0.00 0.00 0.00 0.00 03:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:41:01 AM eth0 614.40 485.30 8334.46 55.58 0.00 0.00 0.00 0.00 03:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 379.84 312.20 4586.36 46.62 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) 09/22/2026 _x86_64_ (8 CPU) 03:37:22 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 7.85 0.00 0.88 0.38 0.01 90.89 03:39:01 AM 0 11.59 0.00 0.77 0.32 0.02 87.31 03:39:01 AM 1 9.71 0.00 1.10 0.60 0.02 88.57 03:39:01 AM 2 7.72 0.00 1.29 0.90 0.02 90.08 03:39:01 AM 3 1.49 0.00 0.45 0.25 0.00 97.81 03:39:01 AM 4 25.39 0.00 2.14 0.73 0.02 71.72 03:39:01 AM 5 4.51 0.00 0.67 0.10 0.02 94.71 03:39:01 AM 6 0.57 0.00 0.23 0.02 0.00 99.18 03:39:01 AM 7 1.76 0.00 0.37 0.12 0.00 97.76 03:40:01 AM all 16.69 0.00 1.44 1.47 0.02 80.38 03:40:01 AM 0 18.51 0.00 0.89 0.22 0.02 80.37 03:40:01 AM 1 20.67 0.00 1.19 0.74 0.02 77.39 03:40:01 AM 2 15.12 0.00 1.49 0.80 0.02 82.57 03:40:01 AM 3 11.68 0.00 1.27 0.75 0.02 86.27 03:40:01 AM 4 17.59 0.00 1.61 2.39 0.02 78.39 03:40:01 AM 5 13.33 0.00 1.61 1.93 0.03 83.11 03:40:01 AM 6 12.52 0.00 2.08 3.87 0.02 81.52 03:40:01 AM 7 24.05 0.00 1.42 1.05 0.02 73.46 03:41:01 AM all 25.69 0.00 1.64 0.72 0.02 71.93 03:41:01 AM 0 34.49 0.00 1.42 0.34 0.03 63.72 03:41:01 AM 1 19.80 0.00 1.68 1.11 0.02 77.40 03:41:01 AM 2 26.64 0.00 1.43 0.27 0.02 71.64 03:41:01 AM 3 28.27 0.00 1.54 0.30 0.02 69.88 03:41:01 AM 4 14.49 0.00 1.28 0.34 0.02 83.88 03:41:01 AM 5 29.08 0.00 2.06 1.31 0.02 67.53 03:41:01 AM 6 30.02 0.00 2.52 1.63 0.03 65.81 03:41:01 AM 7 22.75 0.00 1.17 0.45 0.02 75.61 Average: all 16.73 0.00 1.32 0.85 0.02 81.08 Average: 0 21.51 0.00 1.03 0.29 0.02 77.15 Average: 1 16.72 0.00 1.32 0.81 0.02 81.13 Average: 2 16.48 0.00 1.40 0.66 0.02 81.44 Average: 3 13.81 0.00 1.09 0.44 0.01 84.66 Average: 4 19.17 0.00 1.67 1.16 0.02 77.99 Average: 5 15.62 0.00 1.45 1.11 0.02 81.80 Average: 6 14.35 0.00 1.61 1.84 0.02 82.19 Average: 7 16.17 0.00 0.99 0.54 0.01 82.29