---> uname -a: Linux prd-centos8-docker-4c-4g-2883.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 nrip_save 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 1477 10513 19 3769 13934 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:c4:00:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.173/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85919sec preferred_lft 85919sec inet6 fe80::f816:3eff:fec4:78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b6:fc:0b:9f 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:b6ff:fefc:b9f/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) 06/27/2026 _x86_64_ (4 CPU) 00:32:24 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 86.75 1.02 85.74 108.65 6117.85 12:35:01 AM 237.19 20.57 216.62 4029.85 34339.57 12:36:01 AM 83.57 1.58 81.99 109.68 9638.58 12:37:01 AM 3.90 0.00 3.90 0.00 307.10 12:38:01 AM 64.63 3.22 61.41 579.41 15194.82 12:39:01 AM 47.04 0.12 46.93 1.73 2291.07 12:40:01 AM 24.53 2.75 21.78 114.10 1527.01 Average: 78.24 4.18 74.06 706.36 9917.86 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13137544 15038544 3001776 18.60 2688 2111840 1159868 6.75 158136 2472052 255260 12:35:01 AM 11098548 13917072 5040772 31.23 2688 3019272 2257156 13.13 256084 4361960 81728 12:36:01 AM 9658680 12672040 6480640 40.15 2688 3211100 3208192 18.67 293600 5749604 3288 12:37:01 AM 9591280 12608192 6548040 40.57 2688 3214568 3208192 18.67 293648 5817136 96 12:38:01 AM 6240448 9731244 9898872 61.33 2688 3677384 13394416 77.93 400364 8975820 64 12:39:01 AM 10036580 13511816 6102740 37.81 2688 3661536 3075460 17.89 430216 5191612 52 12:40:01 AM 10765180 14265876 5374140 33.30 2688 3686212 2344440 13.64 681160 4217032 24288 Average: 10075466 13106398 6063854 37.57 2688 3225987 4092532 23.81 359030 5255031 52111 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 135.73 94.30 1281.44 11.68 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 585.94 305.53 11843.16 44.94 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 202.80 138.93 2850.53 33.27 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 366.36 227.18 113.78 109.99 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 4.63 4.63 0.57 0.57 0.00 0.00 0.00 0.00 12:38:01 AM eth0 182.09 111.05 2828.95 16.25 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 12:38:01 AM vethef55d4b 0.13 0.37 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM br-68dcf3475e0b 0.12 0.23 0.01 0.03 0.00 0.00 0.00 0.00 12:38:01 AM vethd4b7117 0.00 0.22 0.00 0.02 0.00 0.00 0.00 0.00 12:38:01 AM veth74092d6 0.12 0.25 0.01 0.03 0.00 0.00 0.00 0.00 12:39:01 AM lo 12.34 12.34 26.57 26.57 0.00 0.00 0.00 0.00 12:39:01 AM eth0 27.87 26.84 254.27 5.64 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.15 0.17 0.01 0.01 0.00 0.00 0.00 0.00 12:40:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 275.12 162.15 391.77 213.21 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.43 2.43 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 253.71 152.28 2795.31 62.14 0.00 0.00 0.00 0.00 Average: docker0 0.04 0.06 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) 06/27/2026 _x86_64_ (4 CPU) 00:32:24 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 15.27 0.00 1.34 0.40 0.07 82.93 12:34:01 AM 0 15.02 0.00 1.02 0.28 0.07 83.61 12:34:01 AM 1 19.14 0.00 1.70 0.55 0.08 78.52 12:34:01 AM 2 17.45 0.00 1.94 0.64 0.07 79.91 12:34:01 AM 3 9.45 0.00 0.69 0.13 0.05 89.68 12:35:01 AM all 43.32 0.00 2.46 1.89 0.08 52.24 12:35:01 AM 0 35.97 0.00 2.51 2.86 0.08 58.58 12:35:01 AM 1 44.86 0.00 2.71 1.15 0.08 51.19 12:35:01 AM 2 45.24 0.00 2.39 1.94 0.08 50.34 12:35:01 AM 3 47.22 0.00 2.26 1.62 0.08 48.82 12:36:01 AM all 61.91 0.00 1.73 0.41 0.08 35.88 12:36:01 AM 0 61.88 0.00 1.39 0.55 0.08 36.10 12:36:01 AM 1 58.40 0.00 2.16 0.64 0.08 38.73 12:36:01 AM 2 65.50 0.00 2.29 0.13 0.08 32.00 12:36:01 AM 3 61.86 0.00 1.09 0.30 0.07 36.69 12:37:01 AM all 13.56 0.00 1.47 0.01 0.07 84.89 12:37:01 AM 0 13.27 0.00 1.44 0.00 0.07 85.23 12:37:01 AM 1 16.54 0.00 1.07 0.03 0.07 82.29 12:37:01 AM 2 11.56 0.00 1.96 0.00 0.07 86.41 12:37:01 AM 3 12.88 0.00 1.42 0.00 0.08 85.61 12:38:01 AM all 45.15 0.00 3.01 0.65 0.11 51.07 12:38:01 AM 0 39.07 0.00 2.83 0.60 0.08 57.41 12:38:01 AM 1 65.35 0.00 3.45 1.04 0.12 30.04 12:38:01 AM 2 40.03 0.00 3.29 0.59 0.13 55.95 12:38:01 AM 3 36.13 0.00 2.45 0.39 0.10 60.92 12:39:01 AM all 21.62 0.00 1.32 0.14 0.07 76.85 12:39:01 AM 0 24.97 0.00 0.75 0.02 0.05 74.21 12:39:01 AM 1 21.37 0.00 1.15 0.28 0.08 77.11 12:39:01 AM 2 21.80 0.00 1.84 0.10 0.07 76.19 12:39:01 AM 3 18.31 0.00 1.54 0.17 0.07 79.91 12:40:01 AM all 31.77 0.00 1.51 0.09 0.08 66.55 12:40:01 AM 0 38.22 0.00 1.90 0.00 0.08 59.79 12:40:01 AM 1 14.05 0.00 1.17 0.10 0.10 84.57 12:40:01 AM 2 41.89 0.00 1.80 0.13 0.07 56.10 12:40:01 AM 3 32.89 0.00 1.15 0.12 0.08 65.76 Average: all 33.22 0.00 1.83 0.51 0.08 64.35 Average: 0 32.62 0.00 1.69 0.62 0.07 65.00 Average: 1 34.23 0.00 1.92 0.54 0.09 63.22 Average: 2 34.79 0.00 2.21 0.50 0.08 62.41 Average: 3 31.25 0.00 1.51 0.39 0.08 66.77