---> uname -a: Linux prd-centos8-docker-4c-4g-135.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: 2800.000 BogoMIPS: 5600.00 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 783 12184 20 2793 14637 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:75:4e:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.99/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85954sec preferred_lft 85954sec inet6 fe80::f816:3eff:fe75:4ef4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:38:d1:15:c2 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/09/2026 _x86_64_ (4 CPU) 08:27:58 LINUX RESTART (4 CPU) 08:29:01 AM tps rtps wtps bread/s bwrtn/s 08:30:01 AM 183.06 18.19 164.86 2985.80 5139.10 08:31:01 AM 146.92 14.76 132.16 3206.53 9648.65 08:32:01 AM 105.88 5.53 100.35 925.18 8991.53 08:33:01 AM 79.86 1.67 78.19 101.70 5685.62 08:34:01 AM 16.01 0.00 16.01 0.00 4743.74 08:35:01 AM 3.00 1.70 1.30 51.06 257.41 08:36:02 AM 22.98 1.50 21.48 142.09 1862.00 Average: 79.67 6.19 73.48 1058.96 5189.76 08:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 AM 13336100 15057424 2803208 17.37 2688 1944584 1175520 6.84 164156 2309124 147776 08:31:01 AM 12814792 14926540 3324516 20.60 2688 2318828 1294048 7.53 160848 2765076 204368 08:32:01 AM 12306796 14545988 3832512 23.75 2688 2442956 1540296 8.96 216524 3200348 60312 08:33:01 AM 10665228 13135864 5474080 33.92 2688 2670540 2880788 16.76 261804 4777000 133432 08:34:01 AM 10311776 12786036 5827532 36.11 2688 2674064 3066916 17.84 261900 5129532 56 08:35:01 AM 8521372 11005432 7617936 47.20 2688 2683560 4805696 27.96 265884 6910824 1128 08:36:02 AM 12552756 15062876 3586552 22.22 2688 2707768 1083796 6.31 472444 2681712 6816 Average: 11501260 13788594 4638048 28.74 2688 2491757 2263866 13.17 257651 3967659 79127 08:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 AM eth0 271.43 211.11 1774.01 70.31 0.00 0.00 0.00 0.00 08:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 AM eth0 198.38 147.03 1150.50 19.97 0.00 0.00 0.00 0.00 08:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 AM eth0 197.82 163.97 1455.60 21.65 0.00 0.00 0.00 0.00 08:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 AM eth0 294.34 223.24 3444.91 34.52 0.00 0.00 0.00 0.00 08:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 AM eth0 144.26 102.68 115.29 108.59 0.00 0.00 0.00 0.00 08:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 AM eth0 65.21 54.71 59.24 58.69 0.00 0.00 0.00 0.00 08:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:02 AM lo 6.50 6.50 0.79 0.79 0.00 0.00 0.00 0.00 08:36:02 AM eth0 19.74 16.76 12.91 7.95 0.00 0.00 0.00 0.00 08:36:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 170.17 131.36 1144.68 45.95 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 09/09/2026 _x86_64_ (4 CPU) 08:27:58 LINUX RESTART (4 CPU) 08:29:01 AM CPU %user %nice %system %iowait %steal %idle 08:30:01 AM all 17.10 0.00 2.11 0.80 0.02 79.97 08:30:01 AM 0 16.59 0.00 2.01 1.29 0.00 80.10 08:30:01 AM 1 9.82 0.00 1.59 0.18 0.03 88.37 08:30:01 AM 2 27.09 0.00 2.68 1.19 0.02 69.03 08:30:01 AM 3 14.88 0.00 2.18 0.54 0.02 82.38 08:31:01 AM all 16.39 0.00 1.81 0.83 0.04 80.93 08:31:01 AM 0 8.78 0.00 1.32 0.60 0.05 89.25 08:31:01 AM 1 16.19 0.00 1.79 1.00 0.02 81.01 08:31:01 AM 2 28.17 0.00 3.10 1.36 0.03 67.34 08:31:01 AM 3 12.45 0.00 1.02 0.37 0.05 86.11 08:32:01 AM all 23.36 0.00 1.23 0.63 0.02 74.76 08:32:01 AM 0 21.94 0.00 1.32 0.99 0.02 75.74 08:32:01 AM 1 30.33 0.00 0.97 0.38 0.02 68.30 08:32:01 AM 2 19.38 0.00 1.27 0.62 0.03 78.70 08:32:01 AM 3 21.79 0.00 1.35 0.52 0.02 76.32 08:33:01 AM all 57.25 0.00 1.89 0.34 0.04 40.48 08:33:01 AM 0 55.90 0.00 2.17 0.33 0.03 41.55 08:33:01 AM 1 61.21 0.00 2.19 0.65 0.02 35.93 08:33:01 AM 2 58.00 0.00 2.01 0.18 0.07 39.74 08:33:01 AM 3 53.90 0.00 1.17 0.18 0.05 44.69 08:34:01 AM all 22.41 0.00 1.45 0.09 0.03 76.03 08:34:01 AM 0 22.37 0.00 1.35 0.03 0.02 76.23 08:34:01 AM 1 15.74 0.00 1.97 0.28 0.03 81.97 08:34:01 AM 2 28.10 0.00 1.15 0.00 0.02 70.73 08:34:01 AM 3 23.43 0.00 1.30 0.03 0.05 75.18 08:35:01 AM all 36.64 0.00 1.28 0.02 0.03 62.04 08:35:01 AM 0 24.15 0.00 1.30 0.02 0.03 74.49 08:35:01 AM 1 27.92 0.00 0.87 0.00 0.02 71.20 08:35:01 AM 2 51.29 0.00 1.79 0.07 0.02 46.84 08:35:01 AM 3 43.19 0.00 1.15 0.00 0.03 55.62 08:36:02 AM all 42.56 0.00 1.79 0.08 0.03 55.54 08:36:02 AM 0 55.81 0.00 2.10 0.10 0.02 41.96 08:36:02 AM 1 32.97 0.00 1.79 0.10 0.03 65.11 08:36:02 AM 2 29.57 0.00 1.15 0.03 0.03 69.21 08:36:02 AM 3 51.85 0.00 2.10 0.10 0.03 45.91 Average: all 30.82 0.00 1.65 0.40 0.03 67.11 Average: 0 29.36 0.00 1.66 0.48 0.02 68.48 Average: 1 27.74 0.00 1.60 0.37 0.02 70.27 Average: 2 34.51 0.00 1.88 0.49 0.03 63.09 Average: 3 31.66 0.00 1.47 0.25 0.04 66.59