---> uname -a: Linux prd-centos8-docker-8c-8g-2931.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1054 26537 19 4298 30370 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:8a:22:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.30/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe8a:228e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b8:e1:a6:bf 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:b8ff:fee1:a6bf/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) 01/26/2026 _x86_64_ (8 CPU) 02:28:21 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 196.42 14.58 181.84 3198.80 10422.56 02:31:01 AM 203.75 6.02 197.73 1189.67 15627.05 02:32:01 AM 134.33 15.06 119.27 5460.07 29950.12 Average: 178.16 11.88 166.28 3283.08 18667.37 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29158516 31032380 3497196 10.71 2688 2190748 1789528 5.31 182856 2851116 139572 02:31:01 AM 27321708 29633780 5334004 16.33 2688 2623280 2856980 8.48 267196 4572628 128140 02:32:01 AM 25955812 29776608 6699900 20.52 2688 4112104 2460900 7.30 734808 5400228 614256 Average: 27478679 30147589 5177033 15.85 2688 2975377 2369136 7.03 394953 4274657 293989 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 175.01 137.70 1820.45 39.93 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 719.61 424.93 6481.47 55.00 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 11.79 11.79 1.26 1.26 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1183.97 385.87 6575.75 47.82 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.28 5.40 0.61 0.63 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 692.89 316.17 4959.23 47.58 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.80 0.20 0.21 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) 01/26/2026 _x86_64_ (8 CPU) 02:28:21 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 12.94 0.00 1.24 0.69 0.08 85.07 02:30:01 AM 0 9.75 0.00 0.85 0.38 0.10 88.91 02:30:01 AM 1 15.74 0.00 2.22 1.09 0.10 80.85 02:30:01 AM 2 17.96 0.00 1.82 1.19 0.08 78.95 02:30:01 AM 3 8.43 0.00 0.55 0.20 0.10 90.71 02:30:01 AM 4 12.71 0.00 0.77 0.57 0.03 85.92 02:30:01 AM 5 7.78 0.00 1.12 0.72 0.07 90.32 02:30:01 AM 6 11.87 0.00 0.99 0.38 0.07 86.70 02:30:01 AM 7 19.24 0.00 1.57 0.95 0.05 78.18 02:31:01 AM all 27.02 0.00 1.19 0.89 0.09 70.81 02:31:01 AM 0 20.26 0.00 1.12 0.28 0.10 78.24 02:31:01 AM 1 32.06 0.00 1.59 0.69 0.08 65.58 02:31:01 AM 2 24.00 0.00 1.66 1.61 0.10 72.63 02:31:01 AM 3 27.29 0.00 0.94 0.89 0.10 70.78 02:31:01 AM 4 21.14 0.00 1.04 1.94 0.08 75.80 02:31:01 AM 5 44.06 0.00 0.65 0.17 0.08 55.03 02:31:01 AM 6 35.90 0.00 1.36 0.67 0.10 61.97 02:31:01 AM 7 11.41 0.00 1.19 0.90 0.08 86.41 02:32:01 AM all 20.69 0.28 3.56 1.39 0.11 73.97 02:32:01 AM 0 21.54 0.07 4.12 1.30 0.10 72.87 02:32:01 AM 1 24.10 0.03 3.48 0.74 0.12 71.53 02:32:01 AM 2 19.16 0.02 3.25 2.02 0.10 75.44 02:32:01 AM 3 26.94 0.00 2.96 0.37 0.12 69.61 02:32:01 AM 4 21.94 0.00 2.96 0.57 0.14 74.40 02:32:01 AM 5 21.97 1.76 4.60 1.61 0.08 69.98 02:32:01 AM 6 13.76 0.34 3.70 2.16 0.12 79.93 02:32:01 AM 7 16.12 0.03 3.41 2.31 0.10 78.03 Average: all 20.21 0.09 1.99 0.99 0.09 76.63 Average: 0 17.17 0.02 2.02 0.65 0.10 80.03 Average: 1 23.97 0.01 2.43 0.84 0.10 72.65 Average: 2 20.37 0.01 2.24 1.61 0.10 75.68 Average: 3 20.87 0.00 1.48 0.49 0.11 77.05 Average: 4 18.58 0.00 1.58 1.03 0.08 78.72 Average: 5 24.62 0.58 2.12 0.83 0.08 71.78 Average: 6 20.52 0.11 2.01 1.07 0.10 76.20 Average: 7 15.59 0.01 2.05 1.39 0.08 80.88