---> uname -a: Linux prd-centos8-docker-8c-8g-6180.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 1044 26446 19 4399 30378 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:e8:a6:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.172/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86138sec preferred_lft 86138sec inet6 fe80::f816:3eff:fee8:a682/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:02:0f:48:dc 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::42:2ff:fe0f:48dc/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) 04/26/2026 _x86_64_ (8 CPU) 07:30:19 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 258.46 16.68 241.79 3198.13 15440.80 07:33:01 AM 215.81 2.72 213.10 1059.69 41455.89 07:34:02 AM 264.10 16.39 247.70 5561.88 2877.67 Average: 246.13 11.93 234.20 3273.36 19923.59 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 28969920 30940956 3685784 11.29 2688 2286192 1835596 5.45 195132 3015072 92300 07:33:01 AM 26697608 29797172 5958096 18.25 2688 3396024 2673800 7.93 324160 5081752 0 07:34:02 AM 27010260 31037844 5645444 17.29 2688 4317224 1588688 4.71 757792 4320748 760644 Average: 27559263 30591991 5096441 15.61 2688 3333147 2032695 6.03 425695 4139191 284315 07:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:32:01 AM eth0 232.06 188.77 2717.20 50.60 0.00 0.00 0.00 0.00 07:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM eth0 1515.65 533.28 11279.23 48.79 0.00 0.00 0.00 0.00 07:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM veth772d7af 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:33:01 AM veth2b6c02d 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:02 AM lo 12.90 12.90 1.36 1.36 0.00 0.00 0.00 0.00 07:34:02 AM eth0 174.01 139.79 1718.79 35.67 0.00 0.00 0.00 0.00 07:34:02 AM docker0 4.85 5.96 0.65 0.69 0.00 0.00 0.00 0.00 Average: lo 4.30 4.30 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 640.52 287.26 5238.07 45.02 0.00 0.00 0.00 0.00 Average: docker0 1.62 1.99 0.22 0.23 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) 04/26/2026 _x86_64_ (8 CPU) 07:30:19 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 14.50 0.00 1.51 0.71 0.06 83.22 07:32:01 AM 0 14.92 0.00 1.17 0.18 0.07 83.66 07:32:01 AM 1 24.96 0.00 2.89 1.02 0.08 71.04 07:32:01 AM 2 13.74 0.00 1.12 0.53 0.05 84.56 07:32:01 AM 3 15.60 0.00 1.36 0.82 0.05 82.18 07:32:01 AM 4 8.30 0.00 1.10 0.82 0.05 89.73 07:32:01 AM 5 14.47 0.00 1.72 1.05 0.07 82.69 07:32:01 AM 6 10.08 0.00 1.09 0.45 0.05 88.33 07:32:01 AM 7 13.92 0.00 1.66 0.77 0.07 83.59 07:33:01 AM all 30.39 0.00 2.45 0.85 0.09 66.21 07:33:01 AM 0 39.83 0.00 2.33 0.88 0.08 56.88 07:33:01 AM 1 25.29 0.00 3.06 0.52 0.10 71.03 07:33:01 AM 2 33.25 0.00 3.03 1.65 0.10 61.97 07:33:01 AM 3 39.35 0.00 2.03 0.49 0.10 58.03 07:33:01 AM 4 37.50 0.00 2.57 0.62 0.10 59.20 07:33:01 AM 5 38.89 0.00 2.09 1.16 0.08 57.78 07:33:01 AM 6 12.66 0.00 2.31 0.27 0.08 84.68 07:33:01 AM 7 16.36 0.00 2.22 1.25 0.07 80.10 07:34:02 AM all 25.05 0.28 2.70 0.50 0.08 71.39 07:34:02 AM 0 25.36 0.00 2.90 0.23 0.10 71.41 07:34:02 AM 1 30.25 0.07 3.94 2.38 0.08 63.27 07:34:02 AM 2 20.74 1.00 2.34 0.33 0.08 75.49 07:34:02 AM 3 28.23 0.00 2.23 0.15 0.08 69.31 07:34:02 AM 4 25.12 0.35 2.53 0.20 0.07 71.73 07:34:02 AM 5 25.16 0.05 2.58 0.22 0.08 71.91 07:34:02 AM 6 17.70 0.65 2.28 0.27 0.07 79.03 07:34:02 AM 7 27.84 0.10 2.82 0.23 0.08 68.92 Average: all 23.30 0.09 2.22 0.69 0.08 73.62 Average: 0 26.67 0.00 2.13 0.43 0.08 70.69 Average: 1 26.83 0.02 3.30 1.31 0.09 68.45 Average: 2 22.55 0.34 2.16 0.84 0.08 74.03 Average: 3 27.71 0.00 1.87 0.49 0.08 69.86 Average: 4 23.60 0.12 2.07 0.55 0.07 73.59 Average: 5 26.15 0.02 2.13 0.81 0.08 70.81 Average: 6 13.48 0.22 1.89 0.33 0.07 84.02 Average: 7 19.37 0.03 2.23 0.75 0.07 77.54