---> uname -a: Linux prd-centos8-docker-8c-8g-1054.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 1088 26507 19 4294 30336 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:cc:5e:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.163/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fecc:5e51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:db:2b:dc:3f 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:dbff:fe2b:dc3f/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) 03/11/2026 _x86_64_ (8 CPU) 02:28:17 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 254.56 16.46 238.11 3172.68 12197.15 02:31:01 AM 196.52 7.21 189.31 1662.10 40845.89 02:32:01 AM 113.80 13.71 100.08 5011.13 26240.37 Average: 188.30 12.46 175.84 3281.87 26427.03 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29012644 30920588 3643068 11.16 2688 2223008 1612528 4.78 191204 2975520 89960 02:31:01 AM 26477404 29524544 6178308 18.92 2688 3342756 4905440 14.55 390860 5224280 204 02:32:01 AM 27127872 31046272 5527840 16.93 2688 4208608 1512584 4.49 884020 4076776 7492 Average: 27539307 30497135 5116405 15.67 2688 3258124 2676851 7.94 488695 4092192 32552 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 193.80 167.94 1683.12 47.35 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 1763.32 612.71 11186.80 55.61 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 02:31:01 AM veth2817ef8 0.00 0.18 0.00 0.02 0.00 0.00 0.00 0.00 02:32:01 AM lo 12.05 12.05 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 165.21 150.45 1388.71 1256.55 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.30 5.31 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 4.01 4.01 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 707.45 310.37 4752.90 453.10 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) 03/11/2026 _x86_64_ (8 CPU) 02:28:17 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 14.77 0.00 1.43 0.64 0.07 83.10 02:30:01 AM 0 12.73 0.00 1.32 1.25 0.08 84.62 02:30:01 AM 1 15.66 0.00 1.08 0.50 0.08 82.67 02:30:01 AM 2 24.05 0.00 2.35 0.28 0.07 73.25 02:30:01 AM 3 9.59 0.00 1.24 0.62 0.08 88.47 02:30:01 AM 4 18.92 0.00 2.19 0.99 0.05 77.86 02:30:01 AM 5 13.90 0.00 1.39 0.48 0.05 84.17 02:30:01 AM 6 13.21 0.00 0.90 0.43 0.07 85.39 02:30:01 AM 7 10.08 0.00 0.97 0.57 0.05 88.33 02:31:01 AM all 28.89 0.20 2.74 0.77 0.08 67.33 02:31:01 AM 0 16.98 0.00 2.20 0.34 0.08 80.40 02:31:01 AM 1 29.70 0.00 2.74 1.26 0.08 66.21 02:31:01 AM 2 28.05 0.00 2.61 0.45 0.08 68.80 02:31:01 AM 3 16.39 0.02 2.88 0.37 0.07 80.28 02:31:01 AM 4 31.62 0.00 2.81 0.40 0.07 65.10 02:31:01 AM 5 38.87 1.57 3.80 0.77 0.10 54.89 02:31:01 AM 6 33.96 0.00 1.87 0.37 0.07 63.73 02:31:01 AM 7 35.56 0.00 2.98 2.17 0.08 59.20 02:32:01 AM all 21.57 0.33 2.48 0.47 0.08 75.08 02:32:01 AM 0 23.63 0.07 2.56 0.10 0.08 73.56 02:32:01 AM 1 13.71 0.03 2.61 0.32 0.08 83.24 02:32:01 AM 2 31.14 0.00 3.05 0.40 0.08 65.33 02:32:01 AM 3 20.53 0.00 2.08 0.17 0.07 77.16 02:32:01 AM 4 18.02 0.35 2.58 0.32 0.07 78.66 02:32:01 AM 5 24.11 0.42 2.23 1.29 0.07 71.89 02:32:01 AM 6 20.59 1.69 2.54 1.00 0.08 74.08 02:32:01 AM 7 20.79 0.07 2.18 0.17 0.07 76.73 Average: all 21.72 0.18 2.21 0.63 0.07 75.19 Average: 0 17.78 0.02 2.03 0.56 0.08 79.53 Average: 1 19.67 0.01 2.14 0.69 0.08 77.39 Average: 2 27.74 0.00 2.67 0.38 0.08 69.13 Average: 3 15.50 0.01 2.06 0.39 0.07 81.98 Average: 4 22.84 0.12 2.53 0.57 0.06 73.89 Average: 5 25.60 0.66 2.47 0.85 0.07 70.35 Average: 6 22.55 0.56 1.77 0.60 0.07 74.44 Average: 7 22.11 0.02 2.04 0.97 0.07 74.79