---> uname -a: Linux prd-centos8-docker-4c-4g-2740.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1063 10847 20 3849 14346 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:e5:18:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85927sec preferred_lft 85927sec inet6 fe80::f816:3eff:fee5:1809/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7c:bb:56:0a 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 inet6 fe80::42:7cff:febb:560a/64 scope link 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) 11/12/2026 _x86_64_ (4 CPU) 07:57:21 LINUX RESTART (4 CPU) 07:58:02 AM tps rtps wtps bread/s bwrtn/s 07:59:01 AM 177.91 7.17 170.74 1144.70 4926.58 08:00:00 AM 98.92 1.08 97.84 200.55 9114.24 08:00:01 AM 50.00 8.79 41.21 298.90 4098.90 08:01:01 AM 199.85 4.85 195.00 571.10 13664.49 08:02:01 AM 17.85 0.53 17.32 400.60 1070.79 08:03:01 AM 74.08 0.68 73.40 72.88 12419.15 08:04:01 AM 1198.12 59.57 1138.55 865.83 35194.87 08:05:01 AM 87.05 36.02 51.03 907.56 4537.22 Average: 264.82 15.75 249.06 593.83 11554.91 07:58:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:59:01 AM 13376492 15057464 2762816 17.12 2688 1906656 1179880 6.86 151996 2286164 99648 08:00:00 AM 13142808 15117324 2996500 18.57 2688 2183216 1076956 6.27 143852 2463412 180360 08:00:01 AM 13139920 15114868 2999388 18.58 2688 2183568 1064832 6.20 145004 2466376 177296 08:01:01 AM 11563492 13750984 4575816 28.35 2688 2389740 2470776 14.38 206904 3943868 9744 08:02:01 AM 11491344 13705116 4647964 28.80 2688 2415204 2814900 16.38 208460 4008724 16 08:03:01 AM 11622892 14313624 4516416 27.98 2688 2881900 2018464 11.74 338408 3710868 130380 08:04:01 AM 10369804 13892156 5769504 35.75 2688 3513136 1901620 11.06 388524 4461352 55700 08:05:01 AM 11125572 14708720 5013736 31.07 2688 3569456 1195684 6.96 581844 3512748 27976 Average: 11979040 14457532 4160268 25.78 2688 2630360 1715389 9.98 270624 3356689 85140 07:58:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:59:01 AM eth0 120.38 75.69 1121.39 36.67 0.00 0.00 0.00 0.00 07:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 AM eth0 61.87 44.38 736.19 6.44 0.00 0.00 0.00 0.00 08:00:00 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 AM eth0 85.16 43.96 72.52 28.07 0.00 0.00 0.00 0.00 08:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 AM eth0 269.34 224.75 2875.69 37.31 0.00 0.00 0.00 0.00 08:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 AM lo 0.22 0.22 0.01 0.01 0.00 0.00 0.00 0.00 08:02:01 AM eth0 9.51 7.31 98.33 1.65 0.00 0.00 0.00 0.00 08:02:01 AM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 08:02:01 AM vethec3e351 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 08:03:01 AM lo 7.26 7.26 5.24 5.24 0.00 0.00 0.00 0.00 08:03:01 AM eth0 117.90 71.89 2352.19 9.69 0.00 0.00 0.00 0.00 08:03:01 AM docker0 3.21 3.13 4.08 0.44 0.00 0.00 0.00 0.00 08:03:01 AM vethec3e351 0.18 0.23 0.01 0.01 0.00 0.00 0.00 0.00 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 161.02 124.04 1697.46 19.00 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 9.40 6.58 8.29 4.01 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.75 0.75 0.00 0.00 0.00 0.00 Average: eth0 107.12 79.23 1267.34 16.44 0.00 0.00 0.00 0.00 Average: docker0 0.49 0.49 0.59 0.07 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) 11/12/2026 _x86_64_ (4 CPU) 07:57:21 LINUX RESTART (4 CPU) 07:58:02 AM CPU %user %nice %system %iowait %steal %idle 07:59:01 AM all 11.21 0.00 1.40 0.97 0.02 86.40 07:59:01 AM 0 13.68 0.00 1.46 0.46 0.02 84.38 07:59:01 AM 1 7.48 0.00 1.65 2.70 0.02 88.15 07:59:01 AM 2 8.80 0.00 0.99 0.34 0.02 89.85 07:59:01 AM 3 14.88 0.00 1.51 0.37 0.02 83.22 08:00:00 AM all 10.91 0.00 1.38 0.50 0.01 87.19 08:00:00 AM 0 18.65 0.00 2.08 0.60 0.02 78.65 08:00:00 AM 1 6.87 0.00 1.05 0.71 0.00 91.38 08:00:00 AM 2 14.86 0.00 1.65 0.28 0.02 83.19 08:00:00 AM 3 3.24 0.00 0.74 0.43 0.00 95.59 08:00:01 AM all 9.79 0.00 1.93 0.28 0.00 88.00 08:00:01 AM 0 5.52 0.00 2.76 1.10 0.00 90.61 08:00:01 AM 1 19.78 0.00 1.65 0.00 0.00 78.57 08:00:01 AM 2 7.73 0.00 1.66 0.00 0.00 90.61 08:00:01 AM 3 6.08 0.00 1.66 0.00 0.00 92.27 08:01:01 AM all 31.73 0.00 1.87 1.15 0.01 65.24 08:01:01 AM 0 32.75 0.00 2.06 1.64 0.02 63.53 08:01:01 AM 1 28.99 0.00 1.92 1.30 0.02 67.77 08:01:01 AM 2 31.24 0.00 1.34 0.75 0.00 66.67 08:01:01 AM 3 33.95 0.00 2.14 0.90 0.02 62.99 08:02:01 AM all 1.06 0.00 0.32 0.08 0.00 98.54 08:02:01 AM 0 1.03 0.00 0.38 0.10 0.00 98.48 08:02:01 AM 1 0.92 0.00 0.40 0.18 0.00 98.50 08:02:01 AM 2 1.32 0.00 0.22 0.02 0.02 98.43 08:02:01 AM 3 0.97 0.00 0.27 0.02 0.00 98.75 08:03:01 AM all 24.01 0.09 2.13 0.41 0.01 73.34 08:03:01 AM 0 27.18 0.03 2.48 0.30 0.02 69.98 08:03:01 AM 1 23.08 0.07 2.21 0.25 0.02 74.38 08:03:01 AM 2 21.51 0.23 2.18 0.64 0.00 75.44 08:03:01 AM 3 24.27 0.03 1.66 0.47 0.02 73.55 08:04:01 AM all 18.12 0.00 9.18 7.20 0.02 65.48 08:04:01 AM 0 12.48 0.00 8.04 7.99 0.02 71.47 08:04:01 AM 1 12.87 0.00 6.82 5.14 0.02 75.15 08:04:01 AM 2 12.38 0.00 11.13 7.78 0.02 68.69 08:04:01 AM 3 34.78 0.00 10.75 7.89 0.02 46.55 08:05:01 AM all 36.47 0.00 1.53 0.64 0.04 61.31 08:05:01 AM 0 39.40 0.00 1.77 0.30 0.05 58.48 08:05:01 AM 1 22.74 0.00 1.21 0.54 0.02 75.51 08:05:01 AM 2 30.10 0.00 1.22 0.32 0.03 68.33 08:05:01 AM 3 53.63 0.00 1.94 1.42 0.05 42.96 Average: all 19.08 0.01 2.54 1.56 0.02 76.80 Average: 0 20.70 0.00 2.61 1.63 0.02 75.04 Average: 1 14.77 0.01 2.18 1.53 0.01 81.49 Average: 2 17.17 0.03 2.66 1.43 0.01 78.69 Average: 3 23.68 0.00 2.71 1.63 0.02 71.96