---> uname -a: Linux prd-centos8-docker-4c-4g-18527.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): 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1033 10807 20 3920 14377 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:b8:c6:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.118/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86035sec preferred_lft 86035sec inet6 fe80::f816:3eff:feb8:c614/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:42:7f:23:30 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::42:42ff:fe7f:2330/64 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) 09/07/2026 _x86_64_ (4 CPU) 12:27:04 LINUX RESTART (4 CPU) 12:28:01 PM tps rtps wtps bread/s bwrtn/s 12:29:01 PM 131.67 1.68 129.99 304.97 10380.91 12:30:01 PM 190.10 4.75 185.35 882.51 16511.05 12:31:01 PM 116.26 1.45 114.81 78.77 21431.74 12:32:01 PM 1199.43 95.07 1104.37 1697.43 29933.72 12:33:01 PM 63.31 23.86 39.45 475.71 1895.05 Average: 340.16 25.36 314.80 687.88 16030.49 12:28:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 PM 12840492 14839796 3298824 20.44 2688 2207472 1536156 8.94 155008 2752420 241512 12:30:01 PM 11529400 13758896 4609916 28.56 2688 2431712 2757804 16.05 208880 3973312 68 12:31:01 PM 11074936 14169696 5064380 31.38 2688 3236912 1821836 10.60 355968 4140196 241708 12:32:01 PM 9852056 13442180 6287260 38.96 2688 3580668 1894224 11.02 405352 4959268 8 12:33:01 PM 11059796 14711752 5079520 31.47 2688 3636884 1230524 7.16 625236 3539280 37292 Average: 11271336 14184464 4867980 30.16 2688 3018730 1848109 10.75 350089 3872895 104118 12:28:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 241.75 168.18 1769.43 22.32 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 PM eth0 311.08 252.80 2994.89 33.12 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.07 0.13 0.00 0.01 0.00 0.00 0.00 0.00 12:30:01 PM veth99fda91 0.07 0.22 0.00 0.02 0.00 0.00 0.00 0.00 12:31:01 PM lo 5.88 5.88 4.56 4.56 0.00 0.00 0.00 0.00 12:31:01 PM eth0 302.73 212.50 3386.62 30.45 0.00 0.00 0.00 0.00 12:31:01 PM docker0 3.15 3.02 4.08 0.44 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 133.44 90.37 662.71 10.73 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM eth0 27.72 20.54 52.18 7.40 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 203.35 148.88 1773.16 20.80 0.00 0.00 0.00 0.00 Average: docker0 0.64 0.63 0.82 0.09 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) 09/07/2026 _x86_64_ (4 CPU) 12:27:04 LINUX RESTART (4 CPU) 12:28:01 PM CPU %user %nice %system %iowait %steal %idle 12:29:01 PM all 20.27 0.00 2.04 0.61 0.02 77.05 12:29:01 PM 0 9.03 0.00 1.20 0.08 0.02 89.67 12:29:01 PM 1 27.35 0.00 2.19 1.05 0.02 69.39 12:29:01 PM 2 29.95 0.00 3.39 0.96 0.03 65.68 12:29:01 PM 3 14.80 0.00 1.40 0.37 0.02 83.41 12:30:01 PM all 26.25 0.00 1.89 1.08 0.03 70.75 12:30:01 PM 0 24.22 0.00 1.52 0.43 0.05 73.77 12:30:01 PM 1 25.27 0.00 1.67 1.12 0.03 71.90 12:30:01 PM 2 31.10 0.00 2.41 1.54 0.02 64.93 12:30:01 PM 3 24.42 0.00 1.96 1.22 0.02 72.38 12:31:01 PM all 31.23 0.08 4.99 0.69 0.02 62.98 12:31:01 PM 0 37.68 0.02 4.98 0.79 0.02 56.52 12:31:01 PM 1 29.55 0.10 4.89 0.86 0.02 64.59 12:31:01 PM 2 28.69 0.17 5.73 0.90 0.03 64.48 12:31:01 PM 3 28.99 0.03 4.38 0.22 0.02 66.36 12:32:01 PM all 31.15 0.00 8.70 7.49 0.02 52.64 12:32:01 PM 0 35.08 0.00 7.80 6.15 0.02 50.95 12:32:01 PM 1 21.10 0.00 8.28 7.30 0.02 63.30 12:32:01 PM 2 33.63 0.00 8.24 6.28 0.02 51.84 12:32:01 PM 3 34.80 0.00 10.49 10.27 0.02 44.43 12:33:01 PM all 36.48 0.00 2.53 0.46 0.05 60.48 12:33:01 PM 0 30.36 0.00 2.29 0.64 0.03 66.68 12:33:01 PM 1 34.98 0.00 2.19 0.20 0.07 62.56 12:33:01 PM 2 38.13 0.00 2.57 0.58 0.05 58.66 12:33:01 PM 3 42.44 0.00 3.07 0.42 0.05 54.02 Average: all 29.07 0.02 4.02 2.06 0.03 64.81 Average: 0 27.23 0.00 3.55 1.61 0.03 67.58 Average: 1 27.66 0.02 3.83 2.10 0.03 66.36 Average: 2 32.31 0.03 4.46 2.04 0.03 61.13 Average: 3 29.08 0.01 4.24 2.48 0.02 64.17