---> uname -a: Linux prd-centos8-docker-8c-8g-1908.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 1078 27199 19 3612 30352 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:8b:60:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.49/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fe8b:603b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e0:92:08:43 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:e0ff:fe92:843/64 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) 01/21/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 251.49 14.40 237.09 3093.75 12796.15 05:14:01 PM 479.99 7.13 472.86 1273.98 15495.45 05:15:01 PM 181.99 1.48 180.51 399.60 39772.18 Average: 304.49 7.67 296.82 1589.03 22688.48 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28952880 30924564 3702832 11.34 2688 2285652 1791156 5.31 189992 3035340 165256 05:14:01 PM 27607284 30061656 5048428 15.46 2688 2758844 2328948 6.91 400028 4129224 260800 05:15:01 PM 27858076 31084200 4797636 14.69 2688 3522124 1502000 4.46 811856 3441672 164392 Average: 28139413 30690140 4516299 13.83 2688 2855540 1874035 5.56 467292 3535412 196816 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 306.57 261.44 3194.90 56.98 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 561.56 470.28 6880.09 60.13 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 418.29 395.58 4018.06 2366.31 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.41 14.40 0.49 243.77 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 428.81 375.77 4697.77 827.85 0.00 0.00 0.00 0.00 Average: docker0 2.14 4.80 0.16 81.26 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) 01/21/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 15.38 0.00 1.37 0.71 0.08 82.47 05:13:01 PM 0 18.69 0.00 1.47 0.53 0.08 79.22 05:13:01 PM 1 11.08 0.00 1.42 1.02 0.10 86.38 05:13:01 PM 2 18.97 0.00 2.04 1.07 0.07 77.85 05:13:01 PM 3 21.51 0.00 2.24 0.52 0.05 75.69 05:13:01 PM 4 13.77 0.00 0.98 0.97 0.07 84.21 05:13:01 PM 5 17.20 0.00 1.15 0.92 0.08 80.65 05:13:01 PM 6 6.94 0.00 1.00 0.32 0.07 91.68 05:13:01 PM 7 14.84 0.00 0.62 0.33 0.08 84.13 05:14:01 PM all 25.99 0.00 1.74 1.17 0.08 71.03 05:14:01 PM 0 26.53 0.00 2.39 1.52 0.08 69.47 05:14:01 PM 1 24.26 0.00 1.72 0.74 0.07 73.21 05:14:01 PM 2 13.66 0.00 1.58 1.29 0.08 83.39 05:14:01 PM 3 25.29 0.00 2.55 2.61 0.08 69.47 05:14:01 PM 4 41.85 0.00 1.00 0.74 0.07 56.34 05:14:01 PM 5 25.48 0.00 1.46 0.91 0.07 72.09 05:14:01 PM 6 17.55 0.00 1.29 0.55 0.08 80.53 05:14:01 PM 7 33.29 0.00 1.90 0.99 0.07 63.76 05:15:01 PM all 16.86 0.00 2.59 0.70 0.08 79.78 05:15:01 PM 0 14.05 0.00 2.30 0.57 0.08 83.00 05:15:01 PM 1 11.62 0.00 2.62 0.75 0.08 84.93 05:15:01 PM 2 20.63 0.00 2.43 0.22 0.07 76.65 05:15:01 PM 3 27.96 0.00 2.56 0.70 0.07 68.70 05:15:01 PM 4 19.58 0.00 2.90 1.29 0.08 76.14 05:15:01 PM 5 21.44 0.00 3.59 1.39 0.07 73.51 05:15:01 PM 6 4.72 0.00 2.13 0.12 0.08 92.94 05:15:01 PM 7 14.85 0.00 2.15 0.52 0.08 82.39 Average: all 19.41 0.00 1.90 0.86 0.08 77.76 Average: 0 19.76 0.00 2.05 0.88 0.08 77.23 Average: 1 15.65 0.00 1.92 0.84 0.08 81.51 Average: 2 17.76 0.00 2.02 0.86 0.07 79.29 Average: 3 24.91 0.00 2.45 1.28 0.07 71.29 Average: 4 25.06 0.00 1.63 1.00 0.07 72.24 Average: 5 21.37 0.00 2.07 1.07 0.07 75.42 Average: 6 9.74 0.00 1.47 0.33 0.08 88.38 Average: 7 20.99 0.00 1.55 0.61 0.08 76.76