---> uname -a: Linux prd-centos8-docker-8c-8g-4030.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 30428 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:a1:70:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.127/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86157sec preferred_lft 86157sec inet6 fe80::f816:3eff:fea1:70f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6e:26:40:e8 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) 04/21/2026 _x86_64_ (8 CPU) 05:18:51 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 327.01 32.67 294.34 7516.58 44442.22 05:21:01 AM 210.51 3.88 206.63 917.27 13220.01 05:22:01 AM 103.73 1.63 102.10 393.93 7569.62 Average: 213.76 12.73 201.03 2942.62 21744.26 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 29507544 31227104 3148168 9.64 2688 2039916 1466056 4.35 147640 2562180 223192 05:21:01 AM 27807788 29753552 4847924 14.85 2688 2258312 2855348 8.47 209784 4152380 86964 05:22:01 AM 29079612 31186284 3576100 10.95 2688 2414092 1473304 4.37 241232 2833476 48796 Average: 28798315 30722313 3857397 11.81 2688 2237440 1931569 5.73 199552 3182679 119651 05:19:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 432.77 272.31 1862.12 65.52 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 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:21:01 AM eth0 277.19 247.46 2233.32 66.99 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 05:22:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM eth0 210.05 175.57 1559.08 41.29 0.00 0.00 0.00 0.00 05:22:01 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 306.68 231.78 1884.88 57.93 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) 04/21/2026 _x86_64_ (8 CPU) 05:18:51 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 14.75 0.00 2.60 1.21 0.07 81.37 05:20:01 AM 0 11.17 0.00 3.36 0.37 0.08 85.02 05:20:01 AM 1 11.45 0.00 2.09 1.21 0.07 85.19 05:20:01 AM 2 21.65 0.00 4.19 2.90 0.08 71.19 05:20:01 AM 3 15.94 0.00 1.98 0.18 0.07 81.84 05:20:01 AM 4 27.43 0.00 4.29 3.56 0.07 64.65 05:20:01 AM 5 11.80 0.00 1.60 0.37 0.03 86.19 05:20:01 AM 6 8.36 0.00 1.99 0.35 0.07 89.23 05:20:01 AM 7 10.21 0.00 1.27 0.77 0.07 87.69 05:21:01 AM all 33.40 0.00 1.78 0.63 0.11 64.08 05:21:01 AM 0 22.65 0.00 1.47 0.28 0.13 75.47 05:21:01 AM 1 35.58 0.00 2.48 1.00 0.12 60.82 05:21:01 AM 2 39.33 0.00 2.00 1.05 0.10 57.51 05:21:01 AM 3 33.79 0.00 1.82 0.64 0.15 63.60 05:21:01 AM 4 38.33 0.00 1.30 0.22 0.08 60.07 05:21:01 AM 5 35.04 0.00 1.59 0.85 0.10 62.41 05:21:01 AM 6 33.43 0.00 1.79 0.30 0.08 64.39 05:21:01 AM 7 29.03 0.00 1.76 0.72 0.08 68.41 05:22:01 AM all 40.99 0.00 1.77 0.23 0.12 56.88 05:22:01 AM 0 43.11 0.00 1.87 0.25 0.13 54.64 05:22:01 AM 1 38.59 0.00 1.55 0.42 0.13 59.30 05:22:01 AM 2 42.72 0.00 2.15 0.27 0.13 54.73 05:22:01 AM 3 47.65 0.00 1.75 0.38 0.10 50.11 05:22:01 AM 4 41.24 0.00 1.35 0.13 0.13 57.14 05:22:01 AM 5 37.27 0.00 1.99 0.33 0.12 60.28 05:22:01 AM 6 40.39 0.00 1.67 0.03 0.12 57.79 05:22:01 AM 7 36.94 0.00 1.81 0.05 0.12 61.09 Average: all 29.72 0.00 2.05 0.69 0.10 67.44 Average: 0 25.65 0.00 2.23 0.30 0.12 71.70 Average: 1 28.55 0.00 2.04 0.88 0.11 68.43 Average: 2 34.58 0.00 2.78 1.40 0.11 61.13 Average: 3 32.47 0.00 1.85 0.40 0.11 65.17 Average: 4 35.66 0.00 2.32 1.30 0.09 60.62 Average: 5 28.03 0.00 1.73 0.52 0.08 69.64 Average: 6 27.39 0.00 1.82 0.23 0.09 70.47 Average: 7 25.39 0.00 1.61 0.51 0.09 72.40