---> uname -a: Linux prd-centos8-docker-8c-8g-7438.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 1063 27146 19 3680 30367 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:ed:96:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.188/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:feed:9640/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:44:4f:b7:e9 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::42:44ff:fe4f:b7e9/64 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) 05/01/2026 _x86_64_ (8 CPU) 17:12:00 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 523.04 15.53 507.51 3940.29 16852.85 05:15:01 PM 260.16 5.67 254.49 532.84 16993.68 05:16:01 PM 143.68 3.30 140.38 448.71 38857.39 Average: 308.95 8.16 300.79 1640.61 24235.85 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 28532876 30674036 4122836 12.63 2688 2452136 1852464 5.50 215036 3418980 185252 05:15:01 PM 26712484 29805816 5943228 18.20 2688 3394248 2570292 7.63 542248 4870820 647964 05:16:01 PM 27774916 31072556 4880796 14.95 2688 3593764 1539360 4.57 820956 3516684 24280 Average: 27673425 30517469 4982287 15.26 2688 3146716 1987372 5.90 526080 3935495 285832 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 381.89 336.74 4043.15 60.80 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 551.96 435.04 9252.49 53.57 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 254.91 266.35 479.09 2369.20 0.00 0.00 0.00 0.00 05:16:01 PM docker0 5.98 13.31 0.47 257.68 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 396.23 346.03 4591.09 827.98 0.00 0.00 0.00 0.00 Average: docker0 1.99 4.44 0.16 85.91 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) 05/01/2026 _x86_64_ (8 CPU) 17:12:00 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 17.43 0.00 1.56 1.25 0.08 79.69 05:14:01 PM 0 17.81 0.00 0.99 0.62 0.08 80.50 05:14:01 PM 1 24.55 0.00 2.64 1.54 0.10 71.17 05:14:01 PM 2 10.27 0.00 1.81 2.48 0.08 85.36 05:14:01 PM 3 12.73 0.00 1.62 0.80 0.08 84.76 05:14:01 PM 4 20.65 0.00 1.35 0.95 0.07 76.98 05:14:01 PM 5 10.15 0.00 1.31 1.02 0.08 87.44 05:14:01 PM 6 27.26 0.00 1.79 2.19 0.08 68.68 05:14:01 PM 7 15.98 0.00 0.94 0.37 0.07 82.65 05:15:01 PM all 30.91 0.00 1.98 0.70 0.09 66.33 05:15:01 PM 0 27.02 0.00 1.24 0.08 0.08 71.57 05:15:01 PM 1 34.72 0.00 2.55 0.92 0.08 61.72 05:15:01 PM 2 16.50 0.00 1.58 0.42 0.08 81.41 05:15:01 PM 3 43.14 0.00 2.59 0.77 0.08 53.42 05:15:01 PM 4 26.22 0.00 2.06 0.92 0.10 70.69 05:15:01 PM 5 24.99 0.00 1.83 0.50 0.08 72.60 05:15:01 PM 6 37.65 0.00 1.83 0.52 0.08 59.92 05:15:01 PM 7 37.04 0.00 2.15 1.43 0.10 59.28 05:16:01 PM all 11.29 0.00 2.28 0.46 0.06 85.91 05:16:01 PM 0 14.03 0.00 2.55 0.18 0.07 83.17 05:16:01 PM 1 18.49 0.00 2.46 0.51 0.08 78.46 05:16:01 PM 2 12.17 0.00 2.67 0.35 0.05 84.76 05:16:01 PM 3 14.33 0.00 2.39 0.20 0.05 83.03 05:16:01 PM 4 7.03 0.00 1.98 0.46 0.07 90.47 05:16:01 PM 5 5.61 0.00 2.08 1.01 0.07 91.24 05:16:01 PM 6 14.02 0.00 2.39 0.40 0.07 83.12 05:16:01 PM 7 4.66 0.00 1.68 0.54 0.05 93.07 Average: all 19.88 0.00 1.94 0.80 0.08 77.31 Average: 0 19.63 0.00 1.59 0.30 0.08 78.40 Average: 1 25.93 0.00 2.55 0.99 0.09 70.44 Average: 2 12.98 0.00 2.02 1.09 0.07 83.85 Average: 3 23.37 0.00 2.20 0.59 0.07 73.76 Average: 4 17.99 0.00 1.80 0.78 0.08 79.35 Average: 5 13.58 0.00 1.74 0.84 0.08 83.76 Average: 6 26.31 0.00 2.00 1.04 0.08 70.58 Average: 7 19.21 0.00 1.59 0.78 0.07 78.35