---> uname -a: Linux prd-centos8-docker-8c-8g-2580.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 25M 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 1047 27141 27 3700 30371 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:37:e0:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.146/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fe37:e0e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:5d:68:62 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::42:5cff:fe5d:6862/64 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) 03/06/2026 _x86_64_ (8 CPU) 07:30:27 LINUX RESTART (8 CPU) 07:31:01 AM tps rtps wtps bread/s bwrtn/s 07:32:01 AM 239.89 16.76 223.13 3285.19 10698.77 07:33:01 AM 149.77 0.67 149.10 545.28 15049.58 07:34:01 AM 120.24 15.78 104.46 1546.96 29869.80 Average: 169.96 11.07 158.89 1792.38 18540.45 07:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:32:01 AM 29028668 30934580 3627044 11.11 2688 2229788 1882528 5.59 191220 2968464 171804 07:33:01 AM 28226412 30438532 4429300 13.56 2688 2532304 2031028 6.03 215020 3725104 45712 07:34:01 AM 26091584 29162632 6564128 20.10 2688 3373384 5508860 16.34 460436 5540784 196 Average: 27782221 30178581 4873491 14.92 2688 2711825 3140805 9.32 288892 4078117 72571 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 236.46 196.63 2348.60 51.07 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 507.95 371.48 4742.75 54.81 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 07:34:01 AM lo 3.90 3.90 0.43 0.43 0.00 0.00 0.00 0.00 07:34:01 AM eth0 1417.21 357.60 6636.56 30.69 0.00 0.00 0.00 0.00 07:34:01 AM docker0 1.60 2.13 0.21 0.24 0.00 0.00 0.00 0.00 07:34:01 AM veth78ef120 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 720.60 308.58 4576.21 45.52 0.00 0.00 0.00 0.00 Average: docker0 0.53 0.71 0.07 0.08 0.00 0.00 0.00 0.00 Average: veth78ef120 0.00 0.04 0.00 0.00 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) 03/06/2026 _x86_64_ (8 CPU) 07:30:27 LINUX RESTART (8 CPU) 07:31:01 AM CPU %user %nice %system %iowait %steal %idle 07:32:01 AM all 15.32 0.00 1.38 0.59 0.06 82.64 07:32:01 AM 0 8.31 0.00 0.90 0.28 0.08 90.42 07:32:01 AM 1 11.65 0.00 1.40 0.94 0.07 85.95 07:32:01 AM 2 27.18 0.00 2.65 0.38 0.05 69.74 07:32:01 AM 3 22.25 0.00 1.67 0.62 0.07 75.39 07:32:01 AM 4 11.96 0.00 1.62 1.39 0.05 84.99 07:32:01 AM 5 10.10 0.00 0.87 0.38 0.08 88.56 07:32:01 AM 6 15.20 0.00 1.42 0.45 0.05 82.87 07:32:01 AM 7 15.88 0.00 0.53 0.30 0.05 83.24 07:33:01 AM all 17.87 0.00 0.78 0.42 0.06 80.87 07:33:01 AM 0 14.24 0.00 0.80 0.70 0.08 84.18 07:33:01 AM 1 28.90 0.00 1.00 0.37 0.07 69.66 07:33:01 AM 2 14.99 0.00 0.73 0.17 0.08 84.02 07:33:01 AM 3 14.51 0.00 1.00 1.27 0.05 83.17 07:33:01 AM 4 20.22 0.00 0.95 0.35 0.05 78.43 07:33:01 AM 5 25.08 0.00 0.90 0.45 0.05 73.52 07:33:01 AM 6 17.91 0.00 0.23 0.00 0.05 81.80 07:33:01 AM 7 7.10 0.00 0.63 0.03 0.07 92.17 07:34:01 AM all 29.19 0.22 2.76 0.63 0.09 67.11 07:34:01 AM 0 33.20 0.00 2.50 0.15 0.08 64.06 07:34:01 AM 1 38.28 0.00 2.91 0.89 0.10 57.82 07:34:01 AM 2 14.34 0.00 2.96 0.29 0.10 82.31 07:34:01 AM 3 39.02 0.02 2.57 1.08 0.10 57.21 07:34:01 AM 4 32.91 0.00 2.52 0.44 0.08 64.05 07:34:01 AM 5 27.31 0.03 3.30 0.84 0.08 68.42 07:34:01 AM 6 31.86 0.08 2.68 0.15 0.08 65.14 07:34:01 AM 7 16.54 1.62 2.62 1.23 0.07 77.93 Average: all 20.77 0.07 1.64 0.55 0.07 76.90 Average: 0 18.56 0.00 1.40 0.38 0.08 79.58 Average: 1 26.25 0.00 1.77 0.73 0.08 71.17 Average: 2 18.85 0.00 2.12 0.28 0.08 78.68 Average: 3 25.23 0.01 1.75 0.99 0.07 71.96 Average: 4 21.67 0.00 1.70 0.72 0.06 75.85 Average: 5 20.82 0.01 1.69 0.56 0.07 76.85 Average: 6 21.63 0.03 1.44 0.20 0.06 76.64 Average: 7 13.16 0.54 1.26 0.52 0.06 84.46