---> uname -a: Linux prd-centos8-docker-8c-8g-13.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 31890 1056 27075 19 3757 30370 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:22:2e:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.28/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe22:2e71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:af:63:73:1e 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:afff:fe63:731e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/15/2026 _x86_64_ (8 CPU) 03:37:58 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 401.88 14.78 387.10 3125.08 15864.02 03:41:01 AM 255.56 6.81 248.75 1267.04 11407.61 03:42:01 AM 193.25 3.88 189.37 505.83 42964.46 Average: 283.56 8.49 275.07 1632.57 23412.45 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28682556 30750028 3973156 12.17 2688 2379856 1852972 5.50 207784 3282000 145676 03:41:01 AM 27460240 29978832 5195472 15.91 2688 2823084 2385404 7.08 416676 4261448 275588 03:42:01 AM 27751376 31124496 4904336 15.02 2688 3665436 1521256 4.51 827964 3519164 150464 Average: 27964724 30617785 4690988 14.36 2688 2956125 1919877 5.70 484141 3687537 190576 03:39:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 346.33 302.60 3379.41 64.27 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 474.73 391.32 6413.95 51.73 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 03:42:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:42:01 AM eth0 486.94 396.15 4882.04 2344.87 0.00 0.00 0.00 0.00 03:42:01 AM docker0 8.03 10.66 0.47 307.64 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 436.00 363.36 4891.89 820.33 0.00 0.00 0.00 0.00 Average: docker0 2.68 3.55 0.16 102.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/15/2026 _x86_64_ (8 CPU) 03:37:58 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 15.43 0.00 1.46 1.41 0.10 81.60 03:40:01 AM 0 11.59 0.00 0.89 0.65 0.10 86.77 03:40:01 AM 1 23.26 0.00 1.66 1.41 0.10 73.58 03:40:01 AM 2 12.51 0.00 1.54 1.94 0.10 83.91 03:40:01 AM 3 12.91 0.00 1.64 1.16 0.10 84.20 03:40:01 AM 4 26.74 0.00 1.19 1.32 0.10 70.65 03:40:01 AM 5 7.87 0.00 1.96 3.20 0.10 86.87 03:40:01 AM 6 13.19 0.00 1.44 0.60 0.08 84.69 03:40:01 AM 7 15.41 0.00 1.39 0.99 0.10 82.12 03:41:01 AM all 27.66 0.00 1.54 0.99 0.10 69.70 03:41:01 AM 0 27.75 0.00 1.14 0.79 0.10 70.22 03:41:01 AM 1 25.74 0.00 2.30 1.67 0.12 70.18 03:41:01 AM 2 28.13 0.00 1.86 1.12 0.10 68.79 03:41:01 AM 3 27.27 0.00 1.17 1.29 0.10 70.16 03:41:01 AM 4 24.30 0.00 1.24 0.08 0.10 74.28 03:41:01 AM 5 33.99 0.00 1.68 1.16 0.12 63.06 03:41:01 AM 6 23.72 0.00 1.68 1.02 0.12 73.47 03:41:01 AM 7 30.34 0.00 1.29 0.82 0.08 67.47 03:42:01 AM all 13.42 0.00 3.00 1.36 0.10 82.12 03:42:01 AM 0 8.28 0.00 2.75 1.21 0.10 87.66 03:42:01 AM 1 12.98 0.00 2.44 0.94 0.10 83.54 03:42:01 AM 2 15.11 0.00 3.36 3.58 0.10 77.84 03:42:01 AM 3 15.94 0.00 3.75 0.91 0.10 79.30 03:42:01 AM 4 16.14 0.00 3.13 2.17 0.12 78.45 03:42:01 AM 5 11.78 0.00 2.40 0.24 0.07 85.51 03:42:01 AM 6 13.18 0.00 3.47 0.74 0.10 82.52 03:42:01 AM 7 13.94 0.00 2.70 1.12 0.08 82.15 Average: all 18.84 0.00 2.00 1.25 0.10 77.81 Average: 0 15.87 0.00 1.59 0.88 0.10 81.55 Average: 1 20.66 0.00 2.13 1.34 0.11 75.76 Average: 2 18.58 0.00 2.25 2.21 0.10 76.85 Average: 3 18.71 0.00 2.19 1.12 0.10 77.89 Average: 4 22.40 0.00 1.85 1.19 0.11 74.45 Average: 5 17.89 0.00 2.01 1.53 0.09 78.48 Average: 6 16.69 0.00 2.19 0.79 0.10 80.23 Average: 7 19.90 0.00 1.79 0.98 0.09 77.24