---> uname -a: Linux prd-centos8-docker-4c-4g-959.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 816 12154 20 2789 14604 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:4e:8f:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.136/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86038sec preferred_lft 86038sec inet6 fe80::f816:3eff:fe4e:8fc9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:69:d0:c5:f5 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) 10/12/2026 _x86_64_ (4 CPU) 16:17:05 LINUX RESTART (4 CPU) 04:18:01 PM tps rtps wtps bread/s bwrtn/s 04:19:01 PM 219.33 19.14 200.18 3865.78 12859.55 04:20:01 PM 114.08 2.67 111.41 269.91 11819.09 04:21:01 PM 26.36 0.00 26.36 0.00 6727.59 04:22:01 PM 4.92 1.72 3.20 51.06 202.32 04:23:01 PM 13.90 1.67 12.23 173.28 980.41 Average: 75.72 5.04 70.68 872.03 6518.00 04:18:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:19:01 PM 12488800 14710120 3650516 22.62 2688 2425696 1461044 8.50 173320 3070272 284772 04:20:01 PM 11147896 13609636 4991420 30.93 2688 2661768 2434976 14.17 262348 4296068 190412 04:21:01 PM 10599532 13065248 5539784 34.32 2688 2665652 2857260 16.62 262496 4843192 856 04:22:01 PM 9659848 12135312 6479468 40.15 2688 2675036 3759100 21.87 266480 5776060 5064 04:23:01 PM 12518432 15024912 3620884 22.44 2688 2703984 1143892 6.66 473504 2715992 26424 Average: 11282902 13709046 4856414 30.09 2688 2626427 2331254 13.56 287630 4140317 101506 04:18:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 PM eth0 269.13 207.60 3135.36 33.88 0.00 0.00 0.00 0.00 04:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 PM eth0 232.11 183.01 3408.24 27.85 0.00 0.00 0.00 0.00 04:20:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 PM eth0 209.90 141.32 87.66 90.47 0.00 0.00 0.00 0.00 04:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 PM eth0 73.27 53.02 23.68 31.52 0.00 0.00 0.00 0.00 04:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 PM lo 6.60 6.60 0.80 0.80 0.00 0.00 0.00 0.00 04:23:01 PM eth0 26.22 22.74 53.14 9.17 0.00 0.00 0.00 0.00 04:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.32 1.32 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 162.13 121.54 1341.66 38.58 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) 10/12/2026 _x86_64_ (4 CPU) 16:17:05 LINUX RESTART (4 CPU) 04:18:01 PM CPU %user %nice %system %iowait %steal %idle 04:19:01 PM all 26.94 0.00 2.58 1.22 0.03 69.24 04:19:01 PM 0 24.22 0.00 3.13 1.82 0.02 70.82 04:19:01 PM 1 24.27 0.00 2.00 0.72 0.02 72.99 04:19:01 PM 2 18.64 0.00 2.28 1.69 0.02 77.38 04:19:01 PM 3 40.63 0.00 2.89 0.65 0.05 55.78 04:20:01 PM all 67.61 0.00 1.95 0.51 0.03 29.89 04:20:01 PM 0 71.23 0.00 2.07 0.48 0.03 26.18 04:20:01 PM 1 73.87 0.00 1.55 0.37 0.03 24.17 04:20:01 PM 2 63.12 0.00 2.06 0.79 0.02 34.02 04:20:01 PM 3 62.22 0.00 2.14 0.40 0.03 35.21 04:21:01 PM all 25.56 0.00 1.62 0.16 0.01 72.64 04:21:01 PM 0 25.64 0.00 1.60 0.22 0.00 72.54 04:21:01 PM 1 24.49 0.00 1.59 0.18 0.02 73.72 04:21:01 PM 2 22.73 0.00 1.64 0.15 0.00 75.48 04:21:01 PM 3 29.39 0.00 1.65 0.10 0.02 68.84 04:22:01 PM all 32.90 0.00 1.17 0.03 0.01 65.89 04:22:01 PM 0 23.01 0.00 0.80 0.00 0.00 76.19 04:22:01 PM 1 31.99 0.00 1.34 0.03 0.00 66.64 04:22:01 PM 2 27.75 0.00 0.85 0.00 0.02 71.38 04:22:01 PM 3 48.82 0.00 1.69 0.10 0.03 49.36 04:23:01 PM all 47.82 0.00 2.02 0.08 0.03 50.05 04:23:01 PM 0 40.37 0.00 1.82 0.08 0.03 57.70 04:23:01 PM 1 42.45 0.00 1.65 0.12 0.02 55.76 04:23:01 PM 2 57.79 0.00 2.76 0.12 0.03 39.30 04:23:01 PM 3 50.67 0.00 1.87 0.00 0.05 47.41 Average: all 40.17 0.00 1.87 0.40 0.02 57.54 Average: 0 36.89 0.00 1.89 0.52 0.02 60.69 Average: 1 39.42 0.00 1.63 0.28 0.02 58.66 Average: 2 38.01 0.00 1.92 0.55 0.02 59.51 Average: 3 46.34 0.00 2.05 0.25 0.04 51.32