---> uname -a: Linux prd-centos8-docker-4c-4g-4123.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 804 11910 19 3048 14612 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:52:9c:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.31/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85960sec preferred_lft 85960sec inet6 fe80::f816:3eff:fe52:9c99/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:34:51:b1:f3 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::42:34ff:fe51:b1f3/64 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) 01/08/2026 _x86_64_ (4 CPU) 20:21:42 LINUX RESTART (4 CPU) 08:22:01 PM tps rtps wtps bread/s bwrtn/s 08:23:01 PM 166.03 25.52 140.50 6024.26 18348.10 08:24:01 PM 215.53 19.58 195.95 3857.25 12214.68 08:25:01 PM 96.45 1.77 94.68 114.38 10757.14 08:26:01 PM 8.10 0.00 8.10 0.00 319.18 08:27:01 PM 11.15 3.28 7.86 576.87 972.86 08:28:01 PM 67.41 0.20 67.21 99.43 17633.31 08:29:01 PM 30.12 0.48 29.64 64.11 1110.85 Average: 84.97 7.26 77.71 1533.83 8765.31 08:22:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:23:01 PM 13395800 15132600 2745732 17.01 2688 1952296 1071948 6.24 145840 2246912 150552 08:24:01 PM 12130268 14219976 4011264 24.85 2688 2294416 2291792 13.33 213828 3389868 85128 08:25:01 PM 10256136 12566780 5885396 36.46 2688 2511728 3339868 19.43 258748 5199992 2060 08:26:01 PM 10047808 12362812 6093724 37.75 2688 2515948 3477816 20.23 258792 5409320 1976 08:27:01 PM 8944612 11382088 7196920 44.59 2688 2636860 4789344 27.86 329608 6425824 79084 08:28:01 PM 8539984 11289792 7601548 47.09 2688 2940072 4861352 28.28 402024 6724272 108 08:29:01 PM 12140880 14905400 4000652 24.78 2688 2953664 1267244 7.37 584616 2956168 23176 Average: 10779355 13122778 5362177 33.22 2688 2543569 3014195 17.53 313351 4621765 48869 08:22:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 PM eth0 294.85 186.02 1742.30 67.42 0.00 0.00 0.00 0.00 08:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 PM eth0 203.45 176.11 1980.48 30.38 0.00 0.00 0.00 0.00 08:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 PM eth0 270.74 191.50 3239.33 36.04 0.00 0.00 0.00 0.00 08:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 PM eth0 16.00 13.75 3.10 22.26 0.00 0.00 0.00 0.00 08:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 PM lo 6.63 6.63 0.81 0.81 0.00 0.00 0.00 0.00 08:27:01 PM eth0 139.30 86.29 1525.43 16.10 0.00 0.00 0.00 0.00 08:27:01 PM docker0 0.08 0.18 0.00 0.02 0.00 0.00 0.00 0.00 08:27:01 PM veth823bdd1 0.08 0.28 0.01 0.03 0.00 0.00 0.00 0.00 08:28:01 PM lo 12.08 12.08 27.05 27.05 0.00 0.00 0.00 0.00 08:28:01 PM eth0 101.15 62.78 1306.54 5.10 0.00 0.00 0.00 0.00 08:28:01 PM docker0 0.10 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:28:01 PM veth823bdd1 0.10 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:28:01 PM br-532edbf7f818 5.58 5.58 25.60 0.93 0.00 0.00 0.00 0.00 08:29:01 PM lo 0.68 0.68 0.04 0.04 0.00 0.00 0.00 0.00 08:29:01 PM eth0 25.16 21.36 18.07 9.92 0.00 0.00 0.00 0.00 08:29:01 PM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.77 2.77 3.99 3.99 0.00 0.00 0.00 0.00 Average: eth0 150.09 105.40 1402.17 26.75 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 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) 01/08/2026 _x86_64_ (4 CPU) 20:21:42 LINUX RESTART (4 CPU) 08:22:01 PM CPU %user %nice %system %iowait %steal %idle 08:23:01 PM all 25.08 0.00 3.10 3.02 0.09 68.71 08:23:01 PM 0 31.33 0.00 4.09 6.31 0.10 58.17 08:23:01 PM 1 23.02 0.00 2.18 1.22 0.08 73.50 08:23:01 PM 2 24.13 0.00 3.37 3.85 0.10 68.54 08:23:01 PM 3 21.81 0.00 2.78 0.69 0.08 74.64 08:24:01 PM all 37.12 0.00 2.83 2.02 0.10 57.93 08:24:01 PM 0 45.46 0.00 2.47 1.99 0.10 49.98 08:24:01 PM 1 29.69 0.00 3.08 1.91 0.10 65.23 08:24:01 PM 2 36.69 0.00 2.02 1.15 0.10 60.03 08:24:01 PM 3 36.62 0.00 3.75 3.01 0.12 56.50 08:25:01 PM all 61.63 0.00 2.07 1.34 0.15 34.81 08:25:01 PM 0 62.92 0.00 1.97 0.63 0.15 34.33 08:25:01 PM 1 64.08 0.00 1.79 3.09 0.15 30.89 08:25:01 PM 2 48.29 0.00 2.22 0.74 0.15 48.60 08:25:01 PM 3 71.24 0.00 2.29 0.89 0.13 25.45 08:26:01 PM all 15.60 0.00 0.34 0.03 0.06 83.97 08:26:01 PM 0 16.06 0.00 0.38 0.00 0.07 83.49 08:26:01 PM 1 10.32 0.00 0.38 0.00 0.07 89.23 08:26:01 PM 2 18.99 0.00 0.23 0.03 0.05 80.69 08:26:01 PM 3 17.01 0.00 0.35 0.08 0.07 82.49 08:27:01 PM all 42.60 0.00 1.33 0.18 0.11 55.77 08:27:01 PM 0 81.57 0.00 2.37 0.15 0.13 15.77 08:27:01 PM 1 35.22 0.00 0.69 0.08 0.12 63.89 08:27:01 PM 2 25.85 0.00 1.12 0.20 0.10 72.73 08:27:01 PM 3 27.75 0.00 1.15 0.28 0.10 70.71 08:28:01 PM all 17.79 0.00 3.20 2.49 0.09 76.44 08:28:01 PM 0 17.47 0.00 4.73 1.63 0.08 76.09 08:28:01 PM 1 19.68 0.00 2.77 0.49 0.10 76.96 08:28:01 PM 2 17.67 0.00 3.01 5.93 0.10 73.29 08:28:01 PM 3 16.33 0.00 2.27 1.91 0.08 79.41 08:29:01 PM all 30.78 0.00 1.78 0.12 0.08 67.24 08:29:01 PM 0 34.27 0.00 1.28 0.18 0.08 64.18 08:29:01 PM 1 19.73 0.00 1.67 0.12 0.07 78.41 08:29:01 PM 2 46.99 0.00 2.52 0.13 0.10 50.25 08:29:01 PM 3 22.12 0.00 1.65 0.03 0.07 76.13 Average: all 32.95 0.00 2.09 1.31 0.10 63.55 Average: 0 41.31 0.00 2.47 1.56 0.10 54.56 Average: 1 28.83 0.00 1.79 0.99 0.10 68.29 Average: 2 31.24 0.00 2.07 1.72 0.10 64.87 Average: 3 30.42 0.00 2.03 0.98 0.09 66.47