---> uname -a: Linux prd-centos8-docker-4c-4g-5062.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 769 12084 20 2906 14652 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:48:f6:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.108/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86089sec preferred_lft 86089sec inet6 fe80::f816:3eff:fe48:f6d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:13:0f:43:d3 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) 10/26/2026 _x86_64_ (4 CPU) 01:26:35 LINUX RESTART (4 CPU) 01:28:01 AM tps rtps wtps bread/s bwrtn/s 01:29:01 AM 62.27 0.20 62.07 30.00 4577.69 01:30:01 AM 183.42 14.68 168.74 3204.67 14092.05 01:31:01 AM 135.84 6.23 129.61 1056.58 10290.17 01:32:01 AM 41.66 0.85 40.81 67.06 9351.46 Average: 105.80 5.49 100.31 1089.57 9577.87 01:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:29:01 AM 13307280 15093500 2832036 17.55 2688 2002548 1116928 6.50 138872 2337912 170216 01:30:01 AM 12712916 14826668 3426400 21.23 2688 2318428 1358004 7.90 184832 2829532 42736 01:31:01 AM 11360176 13737904 4779140 29.61 2688 2578688 2350044 13.67 250628 4100400 1608 01:32:01 AM 12437464 15065236 3701852 22.94 2688 2826464 1117204 6.50 535520 2740416 7192 Average: 12454459 14680827 3684857 22.83 2688 2431532 1485545 8.64 277463 3002065 55438 01:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 61.34 42.98 890.94 7.20 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM eth0 127.65 103.50 1201.31 24.25 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:31:01 AM lo 27.91 27.91 7.30 7.30 0.00 0.00 0.00 0.00 01:31:01 AM eth0 335.44 258.28 3695.39 82.25 0.00 0.00 0.00 0.00 01:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:32:01 AM lo 3.67 3.67 0.97 0.97 0.00 0.00 0.00 0.00 01:32:01 AM eth0 52.87 43.74 271.46 18.54 0.00 0.00 0.00 0.00 01:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.89 7.89 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 144.33 112.13 1514.87 33.06 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) 10/26/2026 _x86_64_ (4 CPU) 01:26:35 LINUX RESTART (4 CPU) 01:28:01 AM CPU %user %nice %system %iowait %steal %idle 01:29:01 AM all 9.59 0.00 0.96 0.31 0.02 89.13 01:29:01 AM 0 8.90 0.00 0.73 0.27 0.02 90.09 01:29:01 AM 1 11.07 0.00 1.35 0.33 0.02 87.23 01:29:01 AM 2 15.50 0.00 1.44 0.47 0.02 82.58 01:29:01 AM 3 2.89 0.00 0.30 0.18 0.02 96.61 01:30:01 AM all 19.41 0.00 1.98 1.49 0.01 77.11 01:30:01 AM 0 15.92 0.00 1.40 1.45 0.00 81.23 01:30:01 AM 1 14.87 0.00 2.39 1.84 0.00 80.89 01:30:01 AM 2 32.39 0.00 2.76 1.52 0.03 63.29 01:30:01 AM 3 14.46 0.00 1.37 1.15 0.00 83.01 01:31:01 AM all 48.54 0.00 2.06 0.61 0.03 48.75 01:31:01 AM 0 49.17 0.00 1.74 0.30 0.03 48.77 01:31:01 AM 1 43.97 0.00 2.18 0.65 0.02 53.19 01:31:01 AM 2 55.40 0.00 2.02 0.45 0.05 42.07 01:31:01 AM 3 45.62 0.00 2.33 1.02 0.03 51.00 01:32:01 AM all 21.43 0.00 1.99 0.54 0.01 76.02 01:32:01 AM 0 21.25 0.00 2.29 0.37 0.02 76.08 01:32:01 AM 1 28.06 0.00 2.77 0.28 0.02 68.87 01:32:01 AM 2 13.13 0.00 1.05 0.78 0.00 85.04 01:32:01 AM 3 23.28 0.00 1.85 0.74 0.02 74.11 Average: all 24.74 0.00 1.75 0.74 0.02 72.76 Average: 0 23.80 0.00 1.54 0.60 0.02 74.05 Average: 1 24.49 0.00 2.17 0.78 0.01 72.54 Average: 2 29.10 0.00 1.82 0.81 0.03 68.25 Average: 3 21.56 0.00 1.46 0.77 0.02 76.19