---> uname -a: Linux prd-centos8-docker-8c-8g-2264.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: 2799.996 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 1061 27138 19 3691 30366 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:a8:ac:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fea8:acce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d3:11:56:63 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:d3ff:fe11:5663/64 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) 03/05/2026 _x86_64_ (8 CPU) 03:39:06 LINUX RESTART (8 CPU) 03:40:02 AM tps rtps wtps bread/s bwrtn/s 03:41:01 AM 490.83 15.00 475.83 3259.92 14563.97 03:42:01 AM 276.70 6.35 270.34 1252.67 16371.89 03:43:01 AM 139.91 1.17 138.75 377.81 37841.36 Average: 301.55 7.47 294.08 1622.96 23011.19 03:40:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:41:01 AM 28713064 30741960 3942648 12.07 2688 2340772 1805752 5.36 206024 3252596 188124 03:42:01 AM 26890752 29849780 5764960 17.65 2688 3257732 2715472 8.06 517464 4711916 656952 03:43:01 AM 27868692 31164676 4787020 14.66 2688 3589776 1451764 4.31 650960 3582612 126256 Average: 27824169 30585472 4831543 14.80 2688 3062760 1990996 5.91 458149 3849041 323777 03:40:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 379.33 328.61 3536.34 69.52 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 757.41 570.53 10562.75 63.97 0.00 0.00 0.00 0.00 03:42:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:43:01 AM eth0 205.61 194.19 485.54 1334.89 0.00 0.00 0.00 0.00 03:43:01 AM docker0 19.84 29.02 1.08 308.71 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 446.07 363.47 4836.47 494.30 0.00 0.00 0.00 0.00 Average: docker0 6.69 9.78 0.36 104.08 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) 03/05/2026 _x86_64_ (8 CPU) 03:39:06 LINUX RESTART (8 CPU) 03:40:02 AM CPU %user %nice %system %iowait %steal %idle 03:41:01 AM all 17.06 0.00 1.48 1.15 0.07 80.24 03:41:01 AM 0 10.07 0.00 0.83 0.42 0.07 88.60 03:41:01 AM 1 25.08 0.00 1.04 0.95 0.10 72.83 03:41:01 AM 2 21.69 0.00 2.04 1.27 0.08 74.91 03:41:01 AM 3 12.79 0.00 1.21 0.99 0.05 84.97 03:41:01 AM 4 20.09 0.00 2.11 1.21 0.07 76.53 03:41:01 AM 5 13.16 0.00 1.31 0.73 0.09 84.71 03:41:01 AM 6 19.16 0.00 2.02 2.67 0.05 76.10 03:41:01 AM 7 14.46 0.00 1.28 0.92 0.07 83.28 03:42:01 AM all 30.75 0.00 1.93 0.77 0.09 66.47 03:42:01 AM 0 18.30 0.00 1.79 0.79 0.09 79.03 03:42:01 AM 1 45.40 0.00 1.82 0.29 0.09 52.40 03:42:01 AM 2 26.65 0.00 2.25 0.55 0.09 70.47 03:42:01 AM 3 34.35 0.00 1.84 1.02 0.10 62.68 03:42:01 AM 4 30.43 0.00 2.42 0.87 0.09 66.19 03:42:01 AM 5 33.27 0.00 1.93 0.75 0.09 63.96 03:42:01 AM 6 34.80 0.00 1.74 0.55 0.09 62.83 03:42:01 AM 7 22.71 0.00 1.62 1.33 0.07 74.27 03:43:01 AM all 6.06 0.00 1.96 0.63 0.05 91.30 03:43:01 AM 0 6.29 0.00 1.79 0.25 0.07 91.60 03:43:01 AM 1 5.87 0.00 1.93 1.48 0.05 90.67 03:43:01 AM 2 6.15 0.00 1.76 0.89 0.05 91.15 03:43:01 AM 3 5.07 0.00 1.83 0.27 0.05 92.78 03:43:01 AM 4 7.98 0.00 2.23 0.97 0.05 88.77 03:43:01 AM 5 5.81 0.00 2.63 0.52 0.05 91.00 03:43:01 AM 6 5.09 0.00 1.81 0.15 0.07 92.88 03:43:01 AM 7 6.23 0.00 1.69 0.50 0.05 91.53 Average: all 17.88 0.00 1.79 0.85 0.07 79.41 Average: 0 11.52 0.00 1.47 0.49 0.07 86.45 Average: 1 25.35 0.00 1.60 0.91 0.08 72.06 Average: 2 18.10 0.00 2.02 0.90 0.07 78.91 Average: 3 17.33 0.00 1.63 0.76 0.07 80.22 Average: 4 19.42 0.00 2.25 1.02 0.07 77.24 Average: 5 17.33 0.00 1.96 0.67 0.07 79.97 Average: 6 19.59 0.00 1.86 1.12 0.07 77.36 Average: 7 14.41 0.00 1.53 0.91 0.06 83.08