---> uname -a: Linux prd-centos8-docker-4c-4g-3.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: 2799.998 BogoMIPS: 5599.99 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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 775 12188 19 2796 14646 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:85:16:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86007sec preferred_lft 86007sec inet6 fe80::f816:3eff:fe85:16e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:6f:1e:fa 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) 08/03/2026 _x86_64_ (4 CPU) 11:14:00 LINUX RESTART (4 CPU) 11:15:01 AM tps rtps wtps bread/s bwrtn/s 11:16:01 AM 162.96 14.86 148.09 3206.27 11315.66 11:17:01 AM 135.09 7.18 127.91 1026.76 11497.48 11:18:01 AM 62.96 0.00 62.96 0.00 8125.98 11:19:01 AM 9.18 0.00 9.18 0.00 422.55 11:20:01 AM 6.26 2.78 3.48 136.86 224.32 Average: 75.29 4.97 70.32 873.93 6316.79 11:15:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:16:01 AM 12806264 14920764 3333056 20.65 2688 2320468 1285080 7.48 160436 2775444 219020 11:17:01 AM 12010052 14293228 4129268 25.59 2688 2484560 1679876 9.77 233836 3475244 42480 11:18:01 AM 9956952 12433508 6182368 38.31 2688 2675284 3438072 20.00 261332 5486296 3048 11:19:01 AM 9789664 12271700 6349656 39.34 2688 2680596 3502104 20.38 262948 5651820 1620 11:20:01 AM 10969040 13474812 5170280 32.04 2688 2703152 2488256 14.48 278684 4457168 14964 Average: 11106394 13478802 5032926 31.18 2688 2572812 2478678 14.42 239447 4369194 56226 11:15:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM eth0 131.63 99.52 1865.97 18.71 0.00 0.00 0.00 0.00 11:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM eth0 233.34 192.83 1951.40 27.14 0.00 0.00 0.00 0.00 11:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM eth0 295.52 204.72 2964.04 46.69 0.00 0.00 0.00 0.00 11:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:19:01 AM eth0 226.56 151.47 75.84 88.40 0.00 0.00 0.00 0.00 11:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 AM lo 6.40 6.40 0.79 0.79 0.00 0.00 0.00 0.00 11:20:01 AM eth0 26.35 21.34 8.07 16.54 0.00 0.00 0.00 0.00 11:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 182.67 133.97 1372.97 39.49 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) 08/03/2026 _x86_64_ (4 CPU) 11:14:00 LINUX RESTART (4 CPU) 11:15:01 AM CPU %user %nice %system %iowait %steal %idle 11:16:01 AM all 20.98 0.00 2.08 0.97 0.08 75.89 11:16:01 AM 0 20.22 0.00 1.62 0.70 0.08 77.37 11:16:01 AM 1 28.21 0.00 2.96 1.29 0.08 67.46 11:16:01 AM 2 20.64 0.00 2.24 0.80 0.07 76.25 11:16:01 AM 3 14.84 0.00 1.51 1.07 0.10 82.48 11:17:01 AM all 43.24 0.00 1.74 0.81 0.10 54.11 11:17:01 AM 0 43.84 0.00 1.32 0.50 0.12 54.22 11:17:01 AM 1 40.93 0.00 1.40 0.72 0.08 56.86 11:17:01 AM 2 48.78 0.00 1.54 0.55 0.10 49.03 11:17:01 AM 3 39.38 0.00 2.71 1.46 0.10 56.34 11:18:01 AM all 55.10 0.00 1.62 0.33 0.11 42.84 11:18:01 AM 0 52.69 0.00 1.62 0.15 0.12 45.42 11:18:01 AM 1 49.55 0.00 1.76 0.87 0.10 47.73 11:18:01 AM 2 57.54 0.00 1.19 0.25 0.10 40.92 11:18:01 AM 3 60.63 0.00 1.91 0.07 0.12 37.28 11:19:01 AM all 17.67 0.00 1.25 0.02 0.06 81.00 11:19:01 AM 0 23.77 0.00 1.42 0.02 0.05 74.75 11:19:01 AM 1 17.98 0.00 1.14 0.00 0.07 80.81 11:19:01 AM 2 14.55 0.00 1.20 0.02 0.05 84.18 11:19:01 AM 3 14.36 0.00 1.25 0.05 0.07 84.27 11:20:01 AM all 54.76 0.00 1.26 0.03 0.09 43.86 11:20:01 AM 0 83.71 0.00 2.15 0.05 0.10 13.99 11:20:01 AM 1 46.66 0.00 0.60 0.00 0.10 52.64 11:20:01 AM 2 37.45 0.00 1.62 0.03 0.10 60.79 11:20:01 AM 3 51.23 0.00 0.65 0.03 0.07 48.01 Average: all 38.35 0.00 1.59 0.43 0.09 59.54 Average: 0 44.85 0.00 1.63 0.28 0.09 53.14 Average: 1 36.67 0.00 1.57 0.57 0.09 61.10 Average: 2 35.80 0.00 1.56 0.33 0.08 62.23 Average: 3 36.10 0.00 1.61 0.54 0.09 61.67