---> uname -a: Linux prd-centos8-docker-8c-8g-5034.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 1012 28361 19 2516 30429 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:0d:43:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.20/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe0d:4355/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9b:74:8b:29 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) 04/23/2026 _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 167.30 2.83 164.47 363.68 12613.66 05:20:01 AM 155.06 2.55 152.52 951.42 7556.75 05:21:01 AM 76.32 2.62 73.70 98.38 5914.23 Average: 132.90 2.67 130.23 471.18 8695.25 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29350152 31183212 3305560 10.12 2688 2150220 1979204 5.87 165180 2674084 105368 05:20:01 AM 27089768 29108556 5565944 17.04 2688 2328968 3276860 9.72 222184 4847016 70540 05:21:01 AM 29071400 31186896 3584312 10.98 2688 2422492 1417332 4.21 414216 2670980 43708 Average: 28503773 30492888 4151939 12.71 2688 2300560 2224465 6.60 267193 3397360 73205 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 183.94 159.35 1992.10 48.76 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 218.56 187.12 1911.60 37.04 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 223.61 212.85 825.07 184.50 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 208.70 186.44 1576.32 90.09 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) 04/23/2026 _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 12.99 0.00 1.39 0.49 0.05 85.08 05:19:01 AM 0 9.97 0.00 0.89 0.75 0.05 88.34 05:19:01 AM 1 19.69 0.00 1.94 0.23 0.07 78.07 05:19:01 AM 2 18.50 0.00 1.59 0.63 0.07 79.21 05:19:01 AM 3 3.58 0.00 1.15 0.08 0.05 95.13 05:19:01 AM 4 10.95 0.00 1.26 0.47 0.07 87.26 05:19:01 AM 5 2.66 0.00 0.65 0.33 0.05 96.30 05:19:01 AM 6 12.88 0.00 1.40 0.92 0.03 84.77 05:19:01 AM 7 25.63 0.00 2.22 0.52 0.05 71.58 05:20:01 AM all 40.30 0.00 1.49 0.35 0.09 57.77 05:20:01 AM 0 34.73 0.00 1.64 0.50 0.10 63.03 05:20:01 AM 1 51.06 0.00 1.94 0.28 0.08 46.64 05:20:01 AM 2 46.82 0.00 1.92 0.40 0.10 50.76 05:20:01 AM 3 37.24 0.00 1.52 0.72 0.08 60.44 05:20:01 AM 4 33.87 0.00 1.27 0.15 0.08 64.62 05:20:01 AM 5 48.75 0.00 1.00 0.15 0.08 50.02 05:20:01 AM 6 32.24 0.00 1.14 0.12 0.08 66.43 05:20:01 AM 7 37.71 0.00 1.52 0.45 0.08 60.24 05:21:01 AM all 29.99 0.00 1.64 0.15 0.08 68.14 05:21:01 AM 0 25.61 0.00 1.42 0.03 0.08 72.85 05:21:01 AM 1 25.59 0.00 1.72 0.03 0.08 72.58 05:21:01 AM 2 26.23 0.00 1.66 0.22 0.07 71.83 05:21:01 AM 3 33.41 0.00 1.59 0.03 0.08 64.88 05:21:01 AM 4 25.84 0.00 1.57 0.13 0.07 72.39 05:21:01 AM 5 38.92 0.00 2.07 0.27 0.08 58.66 05:21:01 AM 6 31.40 0.00 1.45 0.42 0.07 66.66 05:21:01 AM 7 32.95 0.00 1.67 0.05 0.08 65.25 Average: all 27.76 0.00 1.51 0.33 0.07 70.33 Average: 0 23.44 0.00 1.31 0.43 0.08 74.74 Average: 1 32.12 0.00 1.86 0.18 0.08 65.76 Average: 2 30.52 0.00 1.72 0.42 0.08 67.26 Average: 3 24.75 0.00 1.42 0.28 0.07 73.48 Average: 4 23.56 0.00 1.37 0.25 0.07 74.75 Average: 5 30.12 0.00 1.24 0.25 0.07 68.32 Average: 6 25.50 0.00 1.33 0.48 0.06 72.62 Average: 7 32.10 0.00 1.80 0.34 0.07 65.69