---> uname -a: Linux prd-centos8-docker-8c-8g-7842.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1008 28359 19 2522 30432 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:25:f5:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.12/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86167sec preferred_lft 86167sec inet6 fe80::f816:3eff:fe25:f533/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e7:dc:65: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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/03/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 224.69 3.48 221.21 393.34 15271.63 05:20:01 AM 121.16 1.87 119.28 924.44 5773.79 05:21:01 AM 77.84 2.82 75.02 129.99 6251.52 Average: 141.18 2.73 138.45 481.57 9099.59 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28139956 30025608 4515756 13.83 2688 2200356 2862400 8.49 173204 3860700 85752 05:20:01 AM 27280696 29359128 5375016 16.46 2688 2387376 3060628 9.08 231964 4641956 109388 05:21:01 AM 29060516 31183648 3595196 11.01 2688 2429708 1408496 4.18 424788 2671288 24376 Average: 28160389 30189461 4495323 13.77 2688 2339147 2443841 7.25 276652 3724648 73172 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 284.56 241.54 2643.02 66.50 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 175.25 144.34 1723.34 33.84 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 183.20 169.96 355.20 172.67 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 214.35 185.31 1572.11 91.18 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 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) 05/03/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 19.97 0.00 1.54 0.64 0.08 77.78 05:19:01 AM 0 35.96 0.00 2.59 0.23 0.08 61.13 05:19:01 AM 1 19.63 0.00 2.02 1.50 0.08 76.76 05:19:01 AM 2 16.12 0.00 1.30 0.45 0.08 82.04 05:19:01 AM 3 25.80 0.00 1.55 0.45 0.07 72.13 05:19:01 AM 4 6.09 0.00 0.84 0.74 0.10 92.23 05:19:01 AM 5 20.71 0.00 1.15 0.49 0.07 77.58 05:19:01 AM 6 12.55 0.00 1.30 0.52 0.05 85.58 05:19:01 AM 7 22.83 0.00 1.57 0.70 0.07 74.83 05:20:01 AM all 45.35 0.00 1.52 0.27 0.08 52.77 05:20:01 AM 0 30.81 0.00 1.16 0.03 0.08 67.92 05:20:01 AM 1 39.91 0.00 1.88 0.34 0.07 57.81 05:20:01 AM 2 53.61 0.00 1.53 0.34 0.08 44.45 05:20:01 AM 3 45.09 0.00 1.69 0.30 0.08 52.83 05:20:01 AM 4 52.36 0.00 1.58 0.12 0.07 45.88 05:20:01 AM 5 41.19 0.00 1.46 0.30 0.08 56.97 05:20:01 AM 6 46.63 0.00 1.95 0.72 0.08 50.61 05:20:01 AM 7 53.23 0.00 0.92 0.02 0.08 45.74 05:21:01 AM all 20.15 0.00 1.48 0.19 0.06 78.12 05:21:01 AM 0 17.59 0.00 1.06 0.07 0.07 81.22 05:21:01 AM 1 19.19 0.00 1.57 0.25 0.08 78.91 05:21:01 AM 2 40.92 0.00 2.50 0.20 0.07 56.32 05:21:01 AM 3 21.34 0.00 1.53 0.18 0.05 76.90 05:21:01 AM 4 17.05 0.00 1.28 0.22 0.07 81.39 05:21:01 AM 5 18.66 0.00 1.75 0.18 0.05 79.35 05:21:01 AM 6 13.69 0.00 0.85 0.10 0.05 85.30 05:21:01 AM 7 12.75 0.00 1.32 0.32 0.05 85.57 Average: all 28.46 0.00 1.51 0.36 0.07 69.59 Average: 0 28.10 0.00 1.60 0.11 0.08 70.11 Average: 1 26.22 0.00 1.82 0.70 0.08 71.18 Average: 2 36.87 0.00 1.78 0.33 0.08 60.94 Average: 3 30.71 0.00 1.59 0.31 0.07 67.31 Average: 4 25.15 0.00 1.23 0.36 0.08 73.18 Average: 5 26.83 0.00 1.45 0.32 0.07 71.32 Average: 6 24.25 0.00 1.37 0.45 0.06 73.88 Average: 7 29.56 0.00 1.27 0.35 0.07 68.76