---> uname -a: Linux prd-centos8-docker-4c-4g-12631.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 1532 10413 19 3814 13887 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:ad:8a:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.50/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86005sec preferred_lft 86005sec inet6 fe80::f816:3eff:fead:8a70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:76:82:05:e0 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) 08/15/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 185.47 19.00 166.47 3494.22 11430.29 12:35:01 AM 184.83 3.25 181.58 768.69 45386.81 12:36:01 AM 30.86 0.05 30.81 1.07 7896.65 12:37:01 AM 3.12 0.00 3.12 0.00 266.12 12:38:01 AM 23.95 5.42 18.53 226.36 472.37 Average: 85.66 5.54 80.12 898.05 13094.75 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 11709100 14860260 4430220 27.45 2688 3355296 1304524 7.59 188472 3840524 1238764 12:35:01 AM 9933240 13414804 6206080 38.45 2688 3678940 2615020 15.21 300336 5469024 226160 12:36:01 AM 8602580 12090108 7536740 46.70 2688 3684644 3770120 21.93 311252 6785368 2780 12:37:01 AM 8387096 11879736 7752224 48.03 2688 3689528 4027152 23.43 311488 6999380 1692 12:38:01 AM 10927796 14476928 5211524 32.29 2688 3744628 1599628 9.31 359660 4416440 48728 Average: 9911962 13344367 6227358 38.59 2688 3630607 2663289 15.50 294242 5502147 303625 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 906.07 401.05 18999.20 44.32 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 367.01 275.20 4574.34 35.33 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 92.88 56.19 38.54 51.06 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 306.35 215.25 81.93 79.87 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 6.93 6.93 0.83 0.83 0.00 0.00 0.00 0.00 12:38:01 AM eth0 208.18 139.68 623.28 63.31 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.39 1.39 0.17 0.17 0.00 0.00 0.00 0.00 Average: eth0 376.10 217.48 4863.42 54.78 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) 08/15/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 25.01 0.00 2.36 1.03 0.09 71.51 12:34:01 AM 0 30.74 0.00 2.80 1.36 0.08 65.02 12:34:01 AM 1 29.43 0.00 2.39 0.52 0.10 67.56 12:34:01 AM 2 24.84 0.00 2.56 0.85 0.10 71.65 12:34:01 AM 3 15.02 0.00 1.69 1.37 0.08 81.83 12:35:01 AM all 57.40 0.00 2.08 1.40 0.09 39.03 12:35:01 AM 0 61.47 0.00 2.09 0.78 0.10 35.56 12:35:01 AM 1 48.38 0.00 2.46 2.21 0.08 46.88 12:35:01 AM 2 61.28 0.00 1.87 2.10 0.08 34.66 12:35:01 AM 3 58.45 0.00 1.92 0.50 0.10 39.03 12:36:01 AM all 50.03 0.00 1.25 0.15 0.09 48.48 12:36:01 AM 0 48.52 0.00 1.40 0.35 0.08 49.64 12:36:01 AM 1 58.48 0.00 0.53 0.00 0.08 40.90 12:36:01 AM 2 47.44 0.00 1.62 0.12 0.10 50.72 12:36:01 AM 3 45.65 0.00 1.45 0.15 0.08 52.67 12:37:01 AM all 19.23 0.00 1.20 0.00 0.11 79.46 12:37:01 AM 0 14.97 0.00 1.02 0.00 0.12 83.90 12:37:01 AM 1 11.74 0.00 1.25 0.00 0.12 86.89 12:37:01 AM 2 39.21 0.00 1.20 0.02 0.10 59.48 12:37:01 AM 3 11.00 0.00 1.32 0.00 0.10 87.58 12:38:01 AM all 60.28 0.00 1.68 0.13 0.12 37.79 12:38:01 AM 0 66.01 0.00 0.83 0.17 0.12 32.87 12:38:01 AM 1 62.98 0.00 1.55 0.02 0.12 35.34 12:38:01 AM 2 69.32 0.00 2.78 0.22 0.13 27.55 12:38:01 AM 3 42.80 0.00 1.56 0.12 0.10 55.42 Average: all 42.40 0.00 1.71 0.54 0.10 55.25 Average: 0 44.35 0.00 1.63 0.53 0.10 53.39 Average: 1 42.21 0.00 1.64 0.55 0.10 55.51 Average: 2 48.42 0.00 2.01 0.66 0.10 48.81 Average: 3 34.60 0.00 1.59 0.43 0.09 63.29