---> uname -a: Linux prd-centos8-docker-8c-8g-939.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1063 26380 19 4444 30356 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:17:0e:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.196/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86096sec preferred_lft 86096sec inet6 fe80::f816:3eff:fe17:e23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:4e:36:7d:46 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::42:4eff:fe36:7d46/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/19/2026 _x86_64_ (8 CPU) 02:28:52 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 249.58 33.11 216.48 7477.27 42954.85 02:31:01 AM 226.22 16.61 209.61 3198.13 15578.89 02:32:01 AM 143.59 4.03 139.56 1114.35 13350.14 02:33:01 AM 142.64 15.28 127.36 5507.76 30006.18 Average: 190.51 17.26 173.25 4324.51 25473.02 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29624300 31279524 3029072 9.28 2688 1980344 1391180 4.13 143164 2460132 166544 02:31:01 AM 28882436 30934444 3770936 11.55 2688 2364708 1637824 4.86 197396 3086228 72888 02:32:01 AM 26491172 29772396 6162200 18.87 2688 3579508 2703572 8.02 274072 5348080 901076 02:33:01 AM 26992856 31053272 5660516 17.34 2688 4348612 1534276 4.55 736608 4351244 676560 Average: 27997691 30759909 4655681 14.26 2688 3068293 1816713 5.39 337810 3811421 454267 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 424.11 254.52 1734.84 63.33 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 231.57 179.19 2055.18 49.66 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM eth0 1817.65 656.69 11269.94 57.12 0.00 0.00 0.00 0.00 02:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 AM lo 11.90 11.90 1.26 1.26 0.00 0.00 0.00 0.00 02:33:01 AM eth0 126.59 113.68 1379.79 28.38 0.00 0.00 0.00 0.00 02:33:01 AM docker0 4.27 5.35 0.61 0.62 0.00 0.00 0.00 0.00 Average: lo 2.97 2.97 0.32 0.32 0.00 0.00 0.00 0.00 Average: eth0 649.93 301.00 4109.64 49.62 0.00 0.00 0.00 0.00 Average: docker0 1.07 1.34 0.15 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/19/2026 _x86_64_ (8 CPU) 02:28:52 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 13.66 0.00 2.57 2.34 0.06 81.36 02:30:01 AM 0 6.65 0.00 2.07 1.10 0.07 90.10 02:30:01 AM 1 6.93 0.00 3.75 5.82 0.05 83.45 02:30:01 AM 2 19.88 0.00 3.17 0.94 0.08 75.92 02:30:01 AM 3 7.34 0.00 1.49 1.04 0.03 90.10 02:30:01 AM 4 26.54 0.00 3.01 1.69 0.08 68.68 02:30:01 AM 5 17.72 0.00 2.74 0.63 0.05 78.86 02:30:01 AM 6 12.92 0.00 2.69 4.98 0.05 79.37 02:30:01 AM 7 11.28 0.00 1.67 2.54 0.05 84.45 02:31:01 AM all 13.61 0.00 1.33 0.87 0.06 84.13 02:31:01 AM 0 27.69 0.00 2.24 1.59 0.07 68.41 02:31:01 AM 1 10.89 0.00 1.32 0.82 0.07 86.90 02:31:01 AM 2 14.69 0.00 1.96 1.49 0.07 81.79 02:31:01 AM 3 6.72 0.00 0.92 0.43 0.05 91.87 02:31:01 AM 4 19.90 0.00 1.07 0.85 0.08 78.10 02:31:01 AM 5 11.97 0.00 1.20 0.25 0.05 86.53 02:31:01 AM 6 11.46 0.00 1.15 1.04 0.05 86.30 02:31:01 AM 7 5.57 0.00 0.74 0.49 0.05 93.16 02:32:01 AM all 27.41 0.00 2.06 0.53 0.10 69.90 02:32:01 AM 0 11.62 0.00 1.48 0.27 0.08 86.55 02:32:01 AM 1 15.97 0.00 1.71 0.60 0.08 81.63 02:32:01 AM 2 43.29 0.00 3.42 0.67 0.12 52.49 02:32:01 AM 3 33.87 0.00 2.29 0.34 0.10 63.41 02:32:01 AM 4 25.54 0.00 1.80 1.80 0.10 70.75 02:32:01 AM 5 34.65 0.00 1.72 0.03 0.10 63.50 02:32:01 AM 6 28.65 0.00 2.61 0.35 0.10 68.28 02:32:01 AM 7 25.80 0.00 1.46 0.17 0.10 72.48 02:33:01 AM all 21.32 0.30 2.57 1.07 0.09 74.65 02:33:01 AM 0 28.41 0.05 2.06 0.52 0.10 68.86 02:33:01 AM 1 12.12 0.00 2.20 1.49 0.08 84.11 02:33:01 AM 2 29.14 1.85 3.59 1.34 0.10 63.98 02:33:01 AM 3 22.59 0.02 3.14 1.34 0.08 72.83 02:33:01 AM 4 25.64 0.02 3.09 0.62 0.10 70.53 02:33:01 AM 5 15.55 0.03 2.27 0.22 0.07 81.86 02:33:01 AM 6 18.11 0.07 2.39 1.61 0.08 77.74 02:33:01 AM 7 19.00 0.34 1.83 1.43 0.08 77.33 Average: all 18.99 0.07 2.13 1.20 0.08 77.52 Average: 0 18.60 0.01 1.96 0.87 0.08 78.48 Average: 1 11.48 0.00 2.24 2.18 0.07 84.02 Average: 2 26.73 0.46 3.04 1.11 0.09 68.57 Average: 3 17.61 0.00 1.96 0.79 0.07 79.58 Average: 4 24.40 0.00 2.24 1.24 0.09 72.02 Average: 5 19.95 0.01 1.98 0.29 0.07 77.71 Average: 6 17.76 0.02 2.21 2.00 0.07 77.94 Average: 7 15.40 0.08 1.42 1.16 0.07 81.86