---> uname -a: Linux prd-centos8-docker-4c-4g-35.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 778 12173 19 2808 14643 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:0c:ee:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.202/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85995sec preferred_lft 85995sec inet6 fe80::f816:3eff:fe0c:ee5c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:f7:0b:e4 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) 07/22/2026 _x86_64_ (4 CPU) 08:16:02 LINUX RESTART (4 CPU) 08:17:01 AM tps rtps wtps bread/s bwrtn/s 08:18:01 AM 160.43 14.76 145.67 3204.00 10771.19 08:19:01 AM 169.97 7.15 162.82 1025.83 12347.56 08:20:01 AM 34.37 0.05 34.32 1.07 8023.54 08:21:01 AM 6.33 0.00 6.33 0.00 379.70 08:22:02 AM 5.78 2.78 3.00 136.86 203.90 Average: 75.37 4.95 70.43 873.55 6344.97 08:17:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:18:01 AM 12778328 14908852 3360992 20.82 2688 2336216 1299124 7.56 160996 2803860 229348 08:19:01 AM 11582732 14060736 4556588 28.23 2688 2677680 1989892 11.58 240420 3889236 219024 08:20:01 AM 10578020 13069180 5561300 34.46 2688 2689708 2833784 16.49 261856 4866916 2184 08:21:01 AM 10125412 12622316 6013908 37.26 2688 2695244 3207904 18.66 263512 5315956 904 08:22:02 AM 10941684 13461300 5197636 32.20 2688 2717008 2553144 14.85 279260 4484656 14232 Average: 11201235 13624477 4938085 30.60 2688 2623171 2376770 13.83 241209 4272125 93138 08:17:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:18:01 AM eth0 136.79 102.78 1906.77 21.55 0.00 0.00 0.00 0.00 08:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:19:01 AM eth0 344.68 275.70 4877.03 36.92 0.00 0.00 0.00 0.00 08:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 AM eth0 70.26 43.92 26.86 37.60 0.00 0.00 0.00 0.00 08:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:21:01 AM eth0 287.42 190.48 90.75 90.35 0.00 0.00 0.00 0.00 08:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:22:02 AM lo 6.36 6.36 0.79 0.79 0.00 0.00 0.00 0.00 08:22:02 AM eth0 24.22 21.42 7.34 10.84 0.00 0.00 0.00 0.00 08:22:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 172.66 126.85 1381.63 39.45 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) 07/22/2026 _x86_64_ (4 CPU) 08:16:02 LINUX RESTART (4 CPU) 08:17:01 AM CPU %user %nice %system %iowait %steal %idle 08:18:01 AM all 19.85 0.00 1.94 3.83 0.09 74.29 08:18:01 AM 0 23.96 0.00 2.32 6.38 0.08 67.26 08:18:01 AM 1 24.49 0.00 1.82 1.99 0.10 71.60 08:18:01 AM 2 23.47 0.00 2.93 4.90 0.08 68.62 08:18:01 AM 3 7.46 0.00 0.70 2.03 0.08 89.73 08:19:01 AM all 45.22 0.00 2.02 4.33 0.12 48.32 08:19:01 AM 0 50.26 0.00 1.69 1.90 0.12 46.03 08:19:01 AM 1 47.29 0.00 1.71 5.49 0.13 45.38 08:19:01 AM 2 41.14 0.00 2.83 8.24 0.12 47.67 08:19:01 AM 3 42.17 0.00 1.86 1.67 0.10 54.19 08:20:01 AM all 55.00 0.00 1.26 0.38 0.11 43.24 08:20:01 AM 0 52.05 0.00 1.12 0.77 0.12 45.95 08:20:01 AM 1 60.07 0.00 1.19 0.05 0.12 38.57 08:20:01 AM 2 58.52 0.00 1.37 0.50 0.10 39.51 08:20:01 AM 3 49.34 0.00 1.39 0.22 0.12 48.94 08:21:01 AM all 20.54 0.00 1.21 0.12 0.08 78.05 08:21:01 AM 0 23.51 0.00 1.27 0.03 0.10 75.09 08:21:01 AM 1 25.77 0.00 1.39 0.32 0.08 72.44 08:21:01 AM 2 18.31 0.00 0.90 0.00 0.07 80.72 08:21:01 AM 3 14.58 0.00 1.27 0.12 0.08 83.95 08:22:02 AM all 55.70 0.00 1.30 0.04 0.13 42.83 08:22:02 AM 0 58.91 0.00 1.02 0.03 0.13 39.90 08:22:02 AM 1 66.14 0.00 1.12 0.05 0.12 32.58 08:22:02 AM 2 40.79 0.00 1.37 0.02 0.12 57.70 08:22:02 AM 3 56.95 0.00 1.69 0.07 0.15 41.15 Average: all 39.27 0.00 1.55 1.74 0.11 57.34 Average: 0 41.74 0.00 1.48 1.82 0.11 54.85 Average: 1 44.77 0.00 1.44 1.58 0.11 52.10 Average: 2 36.45 0.00 1.88 2.73 0.10 58.84 Average: 3 34.12 0.00 1.38 0.82 0.11 63.57