---> uname -a: Linux prd-centos8-docker-8c-8g-869.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 1071 27112 19 3706 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:ab:72:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.152/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:feab:72d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:86:b0:45:a4 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::42:86ff:feb0:45a4/64 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) 03/02/2026 _x86_64_ (8 CPU) 03:37:55 LINUX RESTART (8 CPU) 03:39:01 AM tps rtps wtps bread/s bwrtn/s 03:40:01 AM 263.55 14.29 249.26 3092.72 13103.13 03:41:01 AM 430.54 7.12 423.43 1273.12 12609.25 03:42:01 AM 201.12 2.23 198.88 541.33 43833.45 Average: 298.39 7.88 290.51 1635.76 23183.12 03:39:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 AM 28830288 30811888 3825424 11.71 2688 2295216 1844896 5.47 195824 3151676 135876 03:41:01 AM 27224136 29677784 5431576 16.63 2688 2758400 2668452 7.92 401352 4512772 290300 03:42:01 AM 27845356 31164072 4810356 14.73 2688 3611560 1442676 4.28 652320 3602732 149300 Average: 27966593 30551248 4689119 14.36 2688 2888392 1985341 5.89 416499 3755727 191825 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 276.21 239.40 2621.50 56.48 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 493.00 408.28 6718.24 55.11 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 456.04 407.68 5043.67 2344.83 0.00 0.00 0.00 0.00 03:42:01 AM docker0 8.81 9.73 0.52 307.45 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 408.41 351.78 4794.25 818.89 0.00 0.00 0.00 0.00 Average: docker0 2.94 3.24 0.17 102.50 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) 03/02/2026 _x86_64_ (8 CPU) 03:37:55 LINUX RESTART (8 CPU) 03:39:01 AM CPU %user %nice %system %iowait %steal %idle 03:40:01 AM all 15.75 0.00 1.33 0.75 0.07 82.10 03:40:01 AM 0 28.34 0.00 2.24 0.97 0.08 68.37 03:40:01 AM 1 17.37 0.00 2.04 1.12 0.07 79.41 03:40:01 AM 2 17.23 0.00 1.62 0.28 0.08 80.78 03:40:01 AM 3 10.89 0.00 1.06 0.99 0.10 86.96 03:40:01 AM 4 12.93 0.00 1.20 0.99 0.05 84.83 03:40:01 AM 5 24.61 0.00 0.82 0.60 0.10 73.87 03:40:01 AM 6 7.17 0.00 0.74 0.25 0.07 91.78 03:40:01 AM 7 7.47 0.00 0.90 0.77 0.03 90.83 03:41:01 AM all 27.76 0.00 1.80 0.97 0.09 69.38 03:41:01 AM 0 34.69 0.00 1.93 0.74 0.08 62.56 03:41:01 AM 1 30.17 0.00 1.36 0.52 0.08 67.87 03:41:01 AM 2 24.62 0.00 1.91 0.96 0.08 72.43 03:41:01 AM 3 25.08 0.00 1.98 2.13 0.08 70.73 03:41:01 AM 4 28.44 0.00 1.78 2.11 0.10 67.57 03:41:01 AM 5 21.49 0.00 1.56 0.22 0.10 76.63 03:41:01 AM 6 31.82 0.00 2.52 0.59 0.10 64.98 03:41:01 AM 7 25.76 0.00 1.34 0.47 0.10 72.33 03:42:01 AM all 16.61 0.00 3.25 0.90 0.08 79.16 03:42:01 AM 0 17.17 0.00 2.85 0.17 0.10 79.70 03:42:01 AM 1 21.73 0.00 4.03 1.66 0.08 72.50 03:42:01 AM 2 16.19 0.00 3.43 0.57 0.08 79.72 03:42:01 AM 3 9.30 0.00 3.68 1.48 0.08 85.46 03:42:01 AM 4 8.43 0.00 2.89 0.40 0.08 88.19 03:42:01 AM 5 22.30 0.00 2.62 0.45 0.07 74.56 03:42:01 AM 6 19.03 0.00 3.21 1.36 0.05 76.35 03:42:01 AM 7 18.68 0.00 3.30 1.12 0.07 76.83 Average: all 20.03 0.00 2.12 0.87 0.08 76.89 Average: 0 26.74 0.00 2.34 0.63 0.09 70.21 Average: 1 23.08 0.00 2.47 1.10 0.08 73.26 Average: 2 19.35 0.00 2.32 0.60 0.08 77.64 Average: 3 15.09 0.00 2.24 1.53 0.09 81.05 Average: 4 16.60 0.00 1.96 1.17 0.08 80.19 Average: 5 22.80 0.00 1.67 0.42 0.09 75.02 Average: 6 19.32 0.00 2.15 0.73 0.07 77.72 Average: 7 17.28 0.00 1.85 0.79 0.07 80.01