---> uname -a: Linux prd-centos8-docker-8c-8g-18304.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 1060 26529 19 4300 30363 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:87:96:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.85/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe87:9683/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:fb:ce:c4:d4 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:fbff:fece:c4d4/64 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) 02/19/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 235.22 16.63 218.59 3278.51 13358.03 02:31:01 AM 162.61 3.98 158.63 1111.76 12584.56 02:32:01 AM 136.80 15.03 121.78 5494.17 29934.22 Average: 178.21 11.88 166.33 3294.81 18625.60 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29065192 30965944 3590520 11.00 2688 2217000 1655680 4.91 188052 2933096 87300 02:31:01 AM 27454164 29853920 5201548 15.93 2688 2709392 2830236 8.40 267396 4433512 214856 02:32:01 AM 26216832 30072196 6438880 19.72 2688 4146416 2313172 6.86 736280 5137148 648116 Average: 27578729 30297353 5076983 15.55 2688 3024269 2266363 6.72 397243 4167919 316757 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 182.54 151.62 2169.82 31.85 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 713.61 389.39 6608.00 43.47 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 12.01 12.01 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1503.77 505.65 6105.86 53.41 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.28 5.36 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 4.00 4.00 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 799.97 348.88 4961.22 42.91 0.00 0.00 0.00 0.00 Average: docker0 1.43 1.79 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) 02/19/2026 _x86_64_ (8 CPU) 02:28:20 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 14.30 0.00 1.44 0.84 0.07 83.35 02:30:01 AM 0 11.94 0.00 0.62 0.43 0.08 86.92 02:30:01 AM 1 10.20 0.00 1.39 0.54 0.07 87.81 02:30:01 AM 2 21.68 0.00 2.48 1.12 0.10 74.62 02:30:01 AM 3 13.87 0.00 1.09 0.25 0.05 84.74 02:30:01 AM 4 9.87 0.00 1.32 1.14 0.05 87.63 02:30:01 AM 5 15.52 0.00 0.99 0.95 0.07 82.47 02:30:01 AM 6 11.94 0.00 1.00 0.95 0.05 86.05 02:30:01 AM 7 19.36 0.00 2.64 1.37 0.07 76.56 02:31:01 AM all 26.68 0.00 1.23 0.60 0.08 71.42 02:31:01 AM 0 34.83 0.00 0.79 0.33 0.07 63.99 02:31:01 AM 1 43.44 0.00 0.74 0.40 0.08 55.34 02:31:01 AM 2 29.80 0.00 1.84 0.89 0.08 67.39 02:31:01 AM 3 28.33 0.00 1.61 0.22 0.08 69.76 02:31:01 AM 4 5.21 0.00 0.95 0.95 0.08 92.80 02:31:01 AM 5 16.36 0.00 1.10 0.89 0.07 81.59 02:31:01 AM 6 33.54 0.00 1.51 0.38 0.07 64.50 02:31:01 AM 7 21.89 0.00 1.27 0.74 0.07 76.03 02:32:01 AM all 22.58 0.29 3.88 0.80 0.11 72.35 02:32:01 AM 0 19.78 0.03 3.09 0.77 0.12 76.20 02:32:01 AM 1 21.48 2.16 3.86 1.68 0.12 70.71 02:32:01 AM 2 23.15 0.02 4.53 1.01 0.12 71.17 02:32:01 AM 3 20.23 0.07 3.17 0.05 0.10 76.38 02:32:01 AM 4 23.13 0.00 4.18 1.48 0.08 71.12 02:32:01 AM 5 31.98 0.03 4.50 0.17 0.10 63.21 02:32:01 AM 6 16.75 0.00 4.35 0.42 0.08 78.40 02:32:01 AM 7 24.12 0.05 3.34 0.79 0.12 71.58 Average: all 21.18 0.10 2.18 0.75 0.08 75.72 Average: 0 22.19 0.01 1.50 0.51 0.09 75.70 Average: 1 25.05 0.72 1.99 0.87 0.09 71.28 Average: 2 24.88 0.01 2.95 1.01 0.10 71.06 Average: 3 20.81 0.02 1.95 0.17 0.08 76.96 Average: 4 12.71 0.00 2.15 1.19 0.07 83.88 Average: 5 21.26 0.01 2.19 0.67 0.08 75.79 Average: 6 20.75 0.00 2.28 0.59 0.07 76.31 Average: 7 21.79 0.02 2.42 0.97 0.08 74.73