---> uname -a: Linux prd-centos8-docker-8c-8g-19599.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 1054 27208 19 3627 30376 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:d7:cd:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86145sec preferred_lft 86145sec inet6 fe80::f816:3eff:fed7:cda3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cb:b3:f6:e0 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:cbff:feb3:f6e0/64 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) 02/23/2026 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 221.01 14.46 206.55 3099.37 11681.47 05:14:01 PM 470.17 5.52 464.66 1231.26 15893.27 05:15:01 PM 211.78 3.22 208.56 441.32 41739.82 Average: 300.98 7.73 293.25 1590.67 23105.25 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29286752 31209524 3368960 10.32 2688 2239212 1939456 5.75 185136 2719888 165164 05:14:01 PM 27754444 30167488 4901268 15.01 2688 2718656 2205256 6.54 397080 3988656 260300 05:15:01 PM 27945968 31188436 4709744 14.42 2688 3539072 1450616 4.30 641364 3526580 164988 Average: 28329055 30855149 4326657 13.25 2688 2832313 1865109 5.53 407860 3411708 196817 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 213.33 182.11 2301.54 47.44 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 553.36 463.96 6979.65 63.01 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 495.12 435.44 4896.92 2383.52 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.06 14.50 0.53 257.23 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 420.59 360.49 4725.91 831.36 0.00 0.00 0.00 0.00 Average: docker0 2.35 4.83 0.18 85.75 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) 02/23/2026 _x86_64_ (8 CPU) 17:11:23 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 13.33 0.00 1.23 0.71 0.06 84.67 05:13:01 PM 0 6.18 0.00 1.20 1.39 0.07 91.16 05:13:01 PM 1 7.78 0.00 1.10 1.14 0.07 89.91 05:13:01 PM 2 17.99 0.00 1.22 0.43 0.07 80.29 05:13:01 PM 3 18.59 0.00 1.77 0.85 0.07 78.72 05:13:01 PM 4 11.79 0.00 0.99 0.35 0.05 86.83 05:13:01 PM 5 7.56 0.00 0.67 0.35 0.05 91.37 05:13:01 PM 6 13.60 0.00 0.80 0.57 0.05 84.98 05:13:01 PM 7 23.16 0.00 2.07 0.57 0.05 74.16 05:14:01 PM all 29.05 0.00 1.86 1.23 0.09 67.76 05:14:01 PM 0 27.41 0.00 1.10 0.27 0.08 71.13 05:14:01 PM 1 34.32 0.00 2.13 1.14 0.10 62.32 05:14:01 PM 2 30.86 0.00 2.33 1.96 0.10 64.75 05:14:01 PM 3 11.30 0.00 1.44 1.19 0.08 85.98 05:14:01 PM 4 19.79 0.00 2.67 3.26 0.08 74.20 05:14:01 PM 5 28.82 0.00 2.16 0.79 0.10 68.13 05:14:01 PM 6 42.80 0.00 1.76 0.87 0.08 54.48 05:14:01 PM 7 37.03 0.00 1.32 0.40 0.10 61.14 05:15:01 PM all 17.37 0.00 2.61 1.22 0.11 78.69 05:15:01 PM 0 9.52 0.00 2.06 0.13 0.10 88.18 05:15:01 PM 1 11.24 0.00 2.95 2.40 0.13 83.27 05:15:01 PM 2 20.82 0.00 2.32 1.21 0.13 75.52 05:15:01 PM 3 24.87 0.00 2.55 0.97 0.10 71.51 05:15:01 PM 4 30.12 0.00 3.36 1.88 0.12 64.52 05:15:01 PM 5 11.46 0.00 2.18 0.12 0.08 86.16 05:15:01 PM 6 15.12 0.00 2.52 1.51 0.12 80.74 05:15:01 PM 7 15.79 0.00 2.94 1.54 0.10 79.63 Average: all 19.91 0.00 1.90 1.05 0.09 77.05 Average: 0 14.37 0.00 1.46 0.60 0.08 83.50 Average: 1 17.77 0.00 2.06 1.56 0.10 78.51 Average: 2 23.22 0.00 1.95 1.20 0.10 73.53 Average: 3 18.25 0.00 1.92 1.00 0.08 78.74 Average: 4 20.55 0.00 2.34 1.83 0.08 75.20 Average: 5 15.94 0.00 1.67 0.42 0.08 81.89 Average: 6 23.83 0.00 1.69 0.98 0.08 73.41 Average: 7 25.33 0.00 2.11 0.84 0.08 71.64