---> uname -a: Linux prd-centos8-docker-8c-8g-680.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: 2800.000 BogoMIPS: 5600.00 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 1021 28409 19 2459 30419 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:cf:87:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fecf:8704/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ec:2d:01:d7 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) 01/16/2026 _x86_64_ (8 CPU) 05:17:22 LINUX RESTART (8 CPU) 05:18:02 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 173.92 2.91 171.00 351.40 9715.42 05:20:01 AM 185.67 2.50 183.17 940.35 9777.62 05:21:01 AM 73.12 0.80 72.32 39.59 6164.37 Average: 144.07 2.07 142.01 444.33 8546.05 05:18:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 29352680 31128624 3303032 10.11 2688 2092812 1992060 5.91 160412 2682116 157992 05:20:01 AM 27285212 29287232 5370500 16.45 2688 2311360 3130924 9.29 223688 4645372 110432 05:21:01 AM 29055240 31110328 3600472 11.03 2688 2361652 1520808 4.51 410144 2690832 27696 Average: 28564377 30508728 4091335 12.53 2688 2255275 2214597 6.57 264748 3339440 98707 05:18:02 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 180.53 154.86 1686.93 50.23 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 208.18 192.19 2367.79 35.64 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 182.75 178.19 351.83 176.49 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 190.54 175.19 1467.68 87.66 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) 01/16/2026 _x86_64_ (8 CPU) 05:17:22 LINUX RESTART (8 CPU) 05:18:02 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.71 0.00 1.28 0.84 0.07 83.10 05:19:01 AM 0 21.57 0.00 1.63 0.59 0.08 76.12 05:19:01 AM 1 12.78 0.00 1.79 2.09 0.09 83.26 05:19:01 AM 2 13.29 0.00 1.27 1.31 0.05 84.08 05:19:01 AM 3 10.25 0.00 0.96 0.22 0.10 88.47 05:19:01 AM 4 21.78 0.00 1.54 1.31 0.07 75.30 05:19:01 AM 5 4.98 0.00 0.63 0.58 0.05 93.76 05:19:01 AM 6 12.64 0.00 1.19 0.37 0.05 85.74 05:19:01 AM 7 20.33 0.00 1.22 0.27 0.03 78.14 05:20:01 AM all 40.93 0.00 1.45 0.89 0.09 56.64 05:20:01 AM 0 56.89 0.00 0.75 0.67 0.10 41.59 05:20:01 AM 1 36.97 0.00 1.34 1.23 0.08 60.38 05:20:01 AM 2 36.86 0.00 1.79 1.59 0.10 59.67 05:20:01 AM 3 41.38 0.00 1.34 0.42 0.08 56.78 05:20:01 AM 4 34.28 0.00 1.74 1.32 0.07 62.59 05:20:01 AM 5 41.68 0.00 1.67 0.55 0.10 55.99 05:20:01 AM 6 49.09 0.00 1.69 0.37 0.10 48.75 05:20:01 AM 7 30.26 0.00 1.25 1.00 0.08 67.40 05:21:01 AM all 26.86 0.00 1.34 0.32 0.08 71.40 05:21:01 AM 0 26.83 0.00 1.32 1.02 0.08 70.74 05:21:01 AM 1 23.61 0.00 1.44 0.75 0.07 74.14 05:21:01 AM 2 36.51 0.00 1.39 0.12 0.07 61.92 05:21:01 AM 3 29.01 0.00 1.14 0.38 0.08 69.38 05:21:01 AM 4 25.22 0.00 1.24 0.05 0.07 73.43 05:21:01 AM 5 16.34 0.00 1.09 0.02 0.08 82.47 05:21:01 AM 6 28.77 0.00 1.55 0.13 0.08 69.46 05:21:01 AM 7 28.60 0.00 1.57 0.08 0.08 69.67 Average: all 27.57 0.00 1.36 0.68 0.08 70.31 Average: 0 35.18 0.00 1.23 0.76 0.09 62.74 Average: 1 24.53 0.00 1.52 1.36 0.08 72.52 Average: 2 28.97 0.00 1.48 1.00 0.07 68.47 Average: 3 27.00 0.00 1.14 0.34 0.09 71.43 Average: 4 27.12 0.00 1.51 0.89 0.07 70.42 Average: 5 21.09 0.00 1.13 0.38 0.08 77.32 Average: 6 30.26 0.00 1.48 0.29 0.08 67.89 Average: 7 26.43 0.00 1.35 0.45 0.07 71.70