---> uname -a: Linux prd-centos8-docker-8c-8g-17982.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 1011 28420 19 2457 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:51:fd:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.138/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fe51:fd8a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8b:80:bf:07 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) 02/18/2026 _x86_64_ (8 CPU) 05:17:57 LINUX RESTART (8 CPU) 05:19:01 AM tps rtps wtps bread/s bwrtn/s 05:20:01 AM 231.59 3.40 228.19 883.71 12228.81 05:21:01 AM 100.18 1.62 98.57 391.34 6779.44 05:22:01 AM 65.96 1.10 64.86 81.17 4951.08 Average: 132.58 2.04 130.54 452.07 7986.44 05:19:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:01 AM 28108968 29980216 4546744 13.92 2688 2184580 2630080 7.80 178616 3886108 103120 05:21:01 AM 27596216 29626964 5059496 15.49 2688 2339016 2678500 7.95 231916 4325788 70720 05:22:01 AM 29116636 31181092 3539076 10.84 2688 2370944 1449580 4.30 415520 2621584 16208 Average: 28273940 30262757 4381772 13.42 2688 2298180 2252720 6.68 275351 3611160 63349 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 275.84 245.95 2046.84 65.35 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 153.50 122.98 1380.00 30.51 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 153.58 148.28 267.09 166.89 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 194.31 172.40 1231.31 87.59 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) 02/18/2026 _x86_64_ (8 CPU) 05:17:57 LINUX RESTART (8 CPU) 05:19:01 AM CPU %user %nice %system %iowait %steal %idle 05:20:01 AM all 24.18 0.00 1.42 1.19 0.08 73.14 05:20:01 AM 0 19.37 0.00 1.17 0.28 0.07 79.11 05:20:01 AM 1 35.43 0.00 2.21 1.47 0.08 60.81 05:20:01 AM 2 24.93 0.00 1.57 1.12 0.08 72.30 05:20:01 AM 3 22.04 0.00 1.69 2.62 0.07 73.58 05:20:01 AM 4 29.42 0.00 0.97 0.92 0.08 68.61 05:20:01 AM 5 23.97 0.00 1.25 1.37 0.08 73.32 05:20:01 AM 6 23.31 0.00 1.17 0.28 0.07 75.17 05:20:01 AM 7 14.96 0.00 1.32 1.49 0.07 82.16 05:21:01 AM all 42.38 0.00 1.47 0.76 0.10 55.28 05:21:01 AM 0 50.69 0.00 1.79 0.22 0.10 47.21 05:21:01 AM 1 45.03 0.00 1.54 1.25 0.10 52.08 05:21:01 AM 2 31.36 0.00 1.25 1.14 0.10 66.15 05:21:01 AM 3 44.14 0.00 2.16 1.84 0.10 51.77 05:21:01 AM 4 45.38 0.00 1.10 0.20 0.10 53.22 05:21:01 AM 5 49.01 0.00 1.20 0.89 0.10 48.80 05:21:01 AM 6 33.32 0.00 1.27 0.45 0.13 64.83 05:21:01 AM 7 40.12 0.00 1.49 0.10 0.10 58.19 05:22:01 AM all 15.58 0.00 1.26 0.46 0.05 82.65 05:22:01 AM 0 14.70 0.00 1.36 0.07 0.05 83.83 05:22:01 AM 1 11.44 0.00 1.00 0.40 0.05 87.11 05:22:01 AM 2 15.14 0.00 1.57 2.29 0.05 80.95 05:22:01 AM 3 17.11 0.00 1.20 0.48 0.05 81.15 05:22:01 AM 4 7.44 0.00 0.70 0.02 0.05 91.79 05:22:01 AM 5 28.50 0.00 1.62 0.17 0.07 69.65 05:22:01 AM 6 16.44 0.00 1.44 0.13 0.03 81.96 05:22:01 AM 7 13.83 0.00 1.17 0.15 0.07 84.78 Average: all 27.38 0.00 1.38 0.81 0.08 70.35 Average: 0 28.28 0.00 1.44 0.19 0.07 70.02 Average: 1 30.63 0.00 1.58 1.04 0.08 66.67 Average: 2 23.81 0.00 1.47 1.52 0.08 73.13 Average: 3 27.76 0.00 1.68 1.65 0.07 68.84 Average: 4 27.41 0.00 0.93 0.38 0.08 71.20 Average: 5 33.83 0.00 1.36 0.81 0.08 63.92 Average: 6 24.35 0.00 1.29 0.29 0.08 73.99 Average: 7 22.98 0.00 1.33 0.58 0.08 75.04