---> uname -a: Linux prd-centos8-docker-4c-4g-1340.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 781 12192 20 2786 14639 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:3a:92:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86048sec preferred_lft 86048sec inet6 fe80::f816:3eff:fe3a:9225/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:58:6b:95:1c 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) 09/14/2026 _x86_64_ (4 CPU) 12:19:24 LINUX RESTART (4 CPU) 12:20:01 PM tps rtps wtps bread/s bwrtn/s 12:21:01 PM 180.16 18.99 161.16 3391.27 10594.27 12:22:01 PM 167.83 3.18 164.65 777.09 13047.99 12:23:01 PM 25.94 0.00 25.94 0.00 7476.86 12:24:01 PM 2.53 1.70 0.83 51.06 138.74 12:25:01 PM 15.96 1.58 14.38 170.88 753.77 Average: 78.50 5.09 73.40 878.08 6403.20 12:20:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:21:01 PM 12731416 14871376 3407900 21.12 2688 2346300 1336300 7.77 163752 2845696 264228 12:22:01 PM 10979176 13437384 5160140 31.97 2688 2658276 2632492 15.32 252520 4475976 216748 12:23:01 PM 10259496 12722320 5879820 36.43 2688 2662764 2959820 17.22 261256 5182200 1444 12:24:01 PM 9174264 11646048 6965052 43.16 2688 2671444 4007828 23.32 265204 6259560 5020 12:25:01 PM 12457844 14962516 3681472 22.81 2688 2702412 1171536 6.82 464032 2784256 41752 Average: 11120439 13527929 5018877 31.10 2688 2608239 2421595 14.09 281353 4309538 105838 12:20:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:21:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:21:01 PM eth0 205.81 152.47 2381.63 24.51 0.00 0.00 0.00 0.00 12:21:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:22:01 PM eth0 267.46 225.65 4375.59 29.93 0.00 0.00 0.00 0.00 12:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:23:01 PM eth0 206.98 135.49 105.28 103.29 0.00 0.00 0.00 0.00 12:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:24:01 PM eth0 195.37 126.01 75.06 69.84 0.00 0.00 0.00 0.00 12:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:25:01 PM lo 6.50 6.50 0.79 0.79 0.00 0.00 0.00 0.00 12:25:01 PM eth0 26.37 23.38 50.88 10.35 0.00 0.00 0.00 0.00 12:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 180.41 132.61 1398.03 47.58 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) 09/14/2026 _x86_64_ (4 CPU) 12:19:24 LINUX RESTART (4 CPU) 12:20:01 PM CPU %user %nice %system %iowait %steal %idle 12:21:01 PM all 24.57 0.00 2.19 0.94 0.01 72.29 12:21:01 PM 0 18.22 0.00 2.34 1.12 0.00 78.33 12:21:01 PM 1 47.54 0.00 3.99 1.15 0.02 47.30 12:21:01 PM 2 15.91 0.00 1.44 0.67 0.02 81.96 12:21:01 PM 3 16.58 0.00 0.99 0.82 0.02 81.59 12:22:01 PM all 59.46 0.00 2.15 0.72 0.03 37.65 12:22:01 PM 0 59.51 0.00 2.14 0.53 0.02 37.80 12:22:01 PM 1 59.74 0.00 2.09 0.74 0.03 37.40 12:22:01 PM 2 64.83 0.00 2.51 0.63 0.02 32.01 12:22:01 PM 3 53.74 0.00 1.85 0.97 0.05 43.38 12:23:01 PM all 36.94 0.00 1.45 0.17 0.02 61.42 12:23:01 PM 0 28.84 0.00 1.72 0.13 0.02 69.29 12:23:01 PM 1 38.06 0.00 1.42 0.10 0.02 60.40 12:23:01 PM 2 37.80 0.00 1.47 0.25 0.02 60.47 12:23:01 PM 3 43.07 0.00 1.19 0.20 0.02 55.53 12:24:01 PM all 28.63 0.00 1.31 0.01 0.01 70.04 12:24:01 PM 0 16.13 0.00 1.89 0.00 0.00 81.98 12:24:01 PM 1 53.19 0.00 1.52 0.05 0.03 45.21 12:24:01 PM 2 22.90 0.00 0.85 0.00 0.00 76.25 12:24:01 PM 3 22.31 0.00 0.99 0.00 0.00 76.70 12:25:01 PM all 50.62 0.00 1.65 0.05 0.03 47.65 12:25:01 PM 0 53.69 0.00 2.00 0.05 0.03 44.22 12:25:01 PM 1 55.38 0.00 1.22 0.07 0.05 43.28 12:25:01 PM 2 50.21 0.00 1.89 0.05 0.02 47.84 12:25:01 PM 3 43.20 0.00 1.50 0.02 0.03 55.24 Average: all 40.05 0.00 1.75 0.38 0.02 57.81 Average: 0 35.28 0.00 2.02 0.37 0.01 62.32 Average: 1 50.78 0.00 2.05 0.42 0.03 46.72 Average: 2 38.33 0.00 1.63 0.32 0.01 59.70 Average: 3 35.79 0.00 1.30 0.40 0.02 62.48