---> uname -a: Linux prd-centos8-docker-4c-4g-215.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 755 12105 20 2900 14667 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:96:bc:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.242/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86084sec preferred_lft 86084sec inet6 fe80::f816:3eff:fe96:bc0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:f4:1a:e1 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) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 190.19 19.04 171.14 4226.06 6325.07 01:25:01 PM 165.14 14.95 150.20 3219.33 14327.94 01:26:01 PM 150.17 6.23 143.94 1056.49 9587.24 01:27:01 PM 27.68 0.45 27.23 16.00 794.35 01:28:01 PM 31.79 1.18 30.61 106.90 9290.32 Average: 113.00 8.37 104.63 1725.03 8065.18 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13393864 15128236 2745452 17.01 2688 1951872 1111520 6.47 137760 2254916 136960 01:25:01 PM 12788956 14890672 3350360 20.76 2688 2308108 1343652 7.82 187944 2757140 27492 01:26:01 PM 11501564 13873776 4637752 28.74 2688 2573788 2278936 13.26 255288 3952432 12168 01:27:01 PM 12449008 15060928 3690308 22.87 2688 2812408 1102396 6.41 349148 2916252 238956 01:28:01 PM 12405072 15029044 3734244 23.14 2688 2823232 1135780 6.61 567504 2740420 6820 Average: 12507693 14796531 3631623 22.50 2688 2493882 1394457 8.11 299529 2924232 84479 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 245.92 195.40 1645.22 66.66 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 188.27 145.13 1272.92 29.23 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 11.63 11.63 3.40 3.40 0.00 0.00 0.00 0.00 01:26:01 PM eth0 372.67 275.59 3748.44 59.56 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 17.66 17.66 2.70 2.70 0.00 0.00 0.00 0.00 01:27:01 PM eth0 66.37 57.49 283.70 37.18 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM eth0 61.90 45.88 23.57 916.36 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.86 5.86 1.22 1.22 0.00 0.00 0.00 0.00 Average: eth0 187.02 143.90 1394.73 221.81 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) 13:22:31 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 18.60 0.00 2.59 1.11 0.03 77.67 01:24:01 PM 0 19.89 0.00 2.61 0.72 0.03 76.74 01:24:01 PM 1 10.62 0.00 1.59 0.49 0.02 87.28 01:24:01 PM 2 24.25 0.00 2.45 0.77 0.02 72.51 01:24:01 PM 3 19.64 0.00 3.71 2.48 0.03 74.14 01:25:01 PM all 20.90 0.00 2.16 1.16 0.03 75.76 01:25:01 PM 0 28.85 0.00 2.26 0.82 0.02 68.06 01:25:01 PM 1 23.65 0.00 2.71 1.92 0.03 71.68 01:25:01 PM 2 16.03 0.00 1.86 0.85 0.03 81.23 01:25:01 PM 3 15.04 0.00 1.83 1.02 0.03 82.08 01:26:01 PM all 51.43 0.00 2.04 0.69 0.05 45.78 01:26:01 PM 0 60.81 0.00 1.00 0.25 0.05 37.89 01:26:01 PM 1 58.02 0.00 1.89 0.60 0.05 39.44 01:26:01 PM 2 50.45 0.00 2.43 0.72 0.05 46.35 01:26:01 PM 3 36.39 0.00 2.85 1.21 0.05 59.50 01:27:01 PM all 12.20 0.00 1.10 0.15 0.03 86.53 01:27:01 PM 0 11.81 0.00 1.46 0.40 0.03 86.30 01:27:01 PM 1 11.73 0.00 1.27 0.03 0.03 86.94 01:27:01 PM 2 13.93 0.00 0.69 0.10 0.03 85.25 01:27:01 PM 3 11.33 0.00 0.97 0.05 0.03 87.62 01:28:01 PM all 17.55 0.00 1.41 0.28 0.03 80.74 01:28:01 PM 0 3.62 0.00 1.12 0.05 0.02 95.19 01:28:01 PM 1 30.00 0.00 1.90 0.67 0.03 67.40 01:28:01 PM 2 7.37 0.00 0.85 0.03 0.03 91.71 01:28:01 PM 3 29.18 0.00 1.75 0.38 0.02 68.67 Average: all 24.13 0.00 1.86 0.68 0.03 73.30 Average: 0 24.99 0.00 1.69 0.45 0.03 72.84 Average: 1 26.80 0.00 1.87 0.74 0.03 70.55 Average: 2 22.40 0.00 1.65 0.50 0.03 75.42 Average: 3 22.31 0.00 2.22 1.03 0.03 74.40