---> uname -a: Linux prd-centos8-docker-8c-8g-1248.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 nrip_save 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 1066 26976 19 3844 30355 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:57:72:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.45/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe57:728c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:20:7a:d4 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::42:48ff:fe20:7ad4/64 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) 07/23/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM tps rtps wtps bread/s bwrtn/s 03:39:01 AM 190.67 14.51 176.16 3118.83 10966.44 03:40:01 AM 465.63 5.53 460.10 1231.46 18399.63 03:41:01 AM 265.63 3.03 262.60 449.91 45949.33 Average: 307.31 7.69 299.62 1600.00 25106.29 03:38:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:39:01 AM 28792228 30833740 3861144 11.82 2688 2356080 1830328 5.43 166320 3221740 273128 03:40:01 AM 27576636 30033300 5076736 15.55 2688 2761880 2413460 7.16 276036 4285536 216072 03:41:01 AM 26415996 29806160 6237376 19.10 2688 3680980 2542032 7.54 647760 5018952 66716 Average: 27594953 30224400 5058419 15.49 2688 2932980 2261940 6.71 363372 4175409 185305 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 219.34 175.82 2703.43 46.22 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 463.11 386.12 5783.32 54.51 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 554.07 466.37 7125.40 1365.41 0.00 0.00 0.00 0.00 03:41:01 AM docker0 10.81 14.78 0.65 308.04 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 412.18 342.78 5204.16 488.76 0.00 0.00 0.00 0.00 Average: docker0 3.60 4.93 0.22 102.69 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) 07/23/2026 _x86_64_ (8 CPU) 03:37:21 LINUX RESTART (8 CPU) 03:38:01 AM CPU %user %nice %system %iowait %steal %idle 03:39:01 AM all 11.83 0.00 1.20 0.47 0.06 86.44 03:39:01 AM 0 11.09 0.00 0.88 0.23 0.07 87.72 03:39:01 AM 1 27.23 0.00 2.42 1.12 0.07 69.17 03:39:01 AM 2 16.65 0.00 1.79 0.38 0.08 81.10 03:39:01 AM 3 12.33 0.00 0.60 0.35 0.05 86.66 03:39:01 AM 4 5.24 0.00 0.59 0.12 0.05 94.01 03:39:01 AM 5 6.91 0.00 0.50 0.28 0.05 92.26 03:39:01 AM 6 6.25 0.00 1.66 0.99 0.05 91.05 03:39:01 AM 7 8.93 0.00 1.15 0.27 0.05 89.60 03:40:01 AM all 28.79 0.00 1.77 1.21 0.09 68.14 03:40:01 AM 0 23.04 0.00 1.68 1.16 0.08 74.04 03:40:01 AM 1 29.26 0.00 2.41 1.61 0.10 66.62 03:40:01 AM 2 27.60 0.00 1.71 0.87 0.08 69.74 03:40:01 AM 3 36.74 0.00 2.15 0.80 0.08 60.22 03:40:01 AM 4 26.65 0.00 1.53 1.66 0.08 70.09 03:40:01 AM 5 27.58 0.00 2.11 2.46 0.08 67.76 03:40:01 AM 6 28.87 0.00 1.26 0.32 0.08 69.48 03:40:01 AM 7 30.60 0.00 1.32 0.82 0.10 67.16 03:41:01 AM all 18.49 0.00 3.09 0.98 0.08 77.37 03:41:01 AM 0 13.34 0.00 2.32 0.39 0.08 83.87 03:41:01 AM 1 21.16 0.00 3.08 2.33 0.08 73.34 03:41:01 AM 2 24.92 0.00 3.74 1.36 0.08 69.90 03:41:01 AM 3 20.56 0.00 3.06 0.77 0.07 75.54 03:41:01 AM 4 15.48 0.00 3.04 0.61 0.08 80.79 03:41:01 AM 5 20.80 0.00 3.14 0.59 0.07 75.40 03:41:01 AM 6 15.16 0.00 3.21 0.82 0.08 80.72 03:41:01 AM 7 16.51 0.00 3.13 0.94 0.07 79.35 Average: all 19.70 0.00 2.02 0.88 0.07 77.32 Average: 0 15.82 0.00 1.62 0.59 0.08 81.89 Average: 1 25.89 0.00 2.64 1.68 0.08 69.70 Average: 2 23.04 0.00 2.41 0.87 0.08 73.59 Average: 3 23.20 0.00 1.93 0.64 0.07 74.15 Average: 4 15.79 0.00 1.72 0.79 0.07 81.63 Average: 5 18.41 0.00 1.92 1.11 0.07 78.49 Average: 6 16.76 0.00 2.04 0.71 0.07 80.42 Average: 7 18.68 0.00 1.87 0.68 0.07 78.71