---> uname -a: Linux prd-centos8-docker-8c-8g-8418.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 1051 27155 19 3683 30379 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:b2:69:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.52/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:feb2:6989/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ea:ad:32:99 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:eaff:fead:3299/64 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) 05/05/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 231.66 14.48 217.18 3256.78 15321.79 05:14:01 PM 464.54 7.17 457.37 1274.19 13223.46 05:15:01 PM 185.64 3.37 182.27 450.52 40836.55 Average: 293.94 8.34 285.60 1660.52 23127.82 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29086952 31083112 3568760 10.93 2688 2311480 1591716 4.72 193336 2901952 90868 05:14:01 PM 27702632 30225568 4953080 15.17 2688 2827528 2118520 6.29 405384 4030164 287108 05:15:01 PM 27797236 31097000 4858476 14.88 2688 3596108 1521508 4.51 818412 3497628 160912 Average: 28195607 30801893 4460105 13.66 2688 2911705 1743915 5.17 472377 3476581 179629 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 252.33 208.43 2755.45 51.10 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 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 627.91 520.95 7557.12 66.95 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 421.39 388.54 4038.42 2380.82 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.16 14.35 0.48 258.03 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 433.87 372.63 4783.51 833.00 0.00 0.00 0.00 0.00 Average: docker0 2.05 4.78 0.16 86.01 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) 05/05/2026 _x86_64_ (8 CPU) 17:11:19 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 13.41 0.00 1.26 0.66 0.05 84.61 05:13:01 PM 0 7.03 0.00 1.30 1.07 0.05 90.55 05:13:01 PM 1 14.00 0.00 1.10 0.65 0.07 84.17 05:13:01 PM 2 20.75 0.00 1.91 0.72 0.05 76.58 05:13:01 PM 3 9.33 0.00 1.00 0.64 0.07 88.96 05:13:01 PM 4 15.47 0.00 0.55 0.38 0.05 83.55 05:13:01 PM 5 18.31 0.00 1.60 0.52 0.05 79.52 05:13:01 PM 6 5.19 0.00 1.00 0.84 0.05 92.92 05:13:01 PM 7 17.23 0.00 1.64 0.43 0.05 80.65 05:14:01 PM all 28.39 0.00 1.75 1.06 0.09 68.71 05:14:01 PM 0 33.43 0.00 1.37 0.70 0.10 64.40 05:14:01 PM 1 33.27 0.00 1.51 0.55 0.08 64.59 05:14:01 PM 2 26.80 0.00 3.13 2.79 0.10 67.18 05:14:01 PM 3 27.83 0.00 1.42 0.42 0.08 70.24 05:14:01 PM 4 21.89 0.00 1.39 0.40 0.10 76.21 05:14:01 PM 5 20.10 0.00 1.50 1.13 0.08 77.19 05:14:01 PM 6 42.06 0.00 2.04 1.31 0.10 54.49 05:14:01 PM 7 21.71 0.00 1.67 1.15 0.08 75.38 05:15:01 PM all 17.27 0.00 2.55 0.66 0.08 79.44 05:15:01 PM 0 18.83 0.00 3.36 0.79 0.08 76.94 05:15:01 PM 1 22.32 0.00 2.33 1.26 0.08 74.01 05:15:01 PM 2 15.04 0.00 2.13 0.37 0.08 82.37 05:15:01 PM 3 9.39 0.00 2.46 1.26 0.08 86.81 05:15:01 PM 4 11.35 0.00 2.59 0.29 0.08 85.69 05:15:01 PM 5 19.32 0.00 2.15 0.08 0.08 78.37 05:15:01 PM 6 26.77 0.00 2.65 0.39 0.07 70.13 05:15:01 PM 7 15.15 0.00 2.72 0.82 0.07 81.23 Average: all 19.69 0.00 1.85 0.79 0.08 77.59 Average: 0 19.76 0.00 2.01 0.85 0.08 77.30 Average: 1 23.19 0.00 1.65 0.82 0.08 74.26 Average: 2 20.86 0.00 2.39 1.29 0.08 75.39 Average: 3 15.52 0.00 1.63 0.77 0.08 82.00 Average: 4 16.24 0.00 1.51 0.36 0.08 81.81 Average: 5 19.24 0.00 1.75 0.58 0.07 78.36 Average: 6 24.66 0.00 1.90 0.84 0.07 72.52 Average: 7 18.04 0.00 2.01 0.80 0.07 79.08