---> uname -a: Linux prd-centos8-docker-4c-4g-12656.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 752 12204 19 2804 14669 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:19:fb:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.33/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86053sec preferred_lft 86053sec inet6 fe80::f816:3eff:fe19:fb16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:8f:be:0e 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) 07/27/2026 _x86_64_ (4 CPU) 05:16:36 LINUX RESTART (4 CPU) 05:17:01 AM tps rtps wtps bread/s bwrtn/s 05:18:01 AM 294.27 20.69 273.58 4037.97 9795.49 05:19:02 AM 221.51 7.48 214.03 1039.21 15957.04 05:20:01 AM 32.33 0.00 32.33 0.00 8105.78 05:21:01 AM 3.65 0.00 3.65 0.00 311.67 05:22:01 AM 14.70 3.22 11.48 221.26 820.26 Average: 113.57 6.30 107.27 1063.36 6994.12 05:17:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:18:01 AM 12890844 14997772 3248476 20.13 2688 2313796 1244048 7.24 158880 2702592 305480 05:19:02 AM 11233744 13714644 4905576 30.40 2688 2679744 2340712 13.62 247004 4225776 227184 05:20:01 AM 10374368 12859760 5764952 35.72 2688 2684044 2962908 17.24 261164 5068232 2068 05:21:01 AM 9625452 12118272 6513868 40.36 2688 2691204 3729912 21.70 262912 5812652 2868 05:22:01 AM 12523988 15047004 3615332 22.40 2688 2720064 1128524 6.57 459636 2723280 28552 Average: 11329679 13747490 4809641 29.80 2688 2617770 2281221 13.27 277919 4106506 113230 05:17:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:18:01 AM eth0 156.78 105.83 1996.96 35.12 0.00 0.00 0.00 0.00 05:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:02 AM eth0 345.88 282.18 5097.16 40.10 0.00 0.00 0.00 0.00 05:19:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM eth0 131.15 88.09 42.69 58.00 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 204.66 142.21 56.84 60.83 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:22:01 AM lo 6.46 6.46 0.79 0.79 0.00 0.00 0.00 0.00 05:22:01 AM eth0 26.92 23.03 14.51 10.78 0.00 0.00 0.00 0.00 05:22:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 173.23 128.41 1446.38 40.91 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) 07/27/2026 _x86_64_ (4 CPU) 05:16:36 LINUX RESTART (4 CPU) 05:17:01 AM CPU %user %nice %system %iowait %steal %idle 05:18:01 AM all 23.36 0.00 2.46 1.31 0.09 72.78 05:18:01 AM 0 19.42 0.00 2.25 0.65 0.10 77.58 05:18:01 AM 1 25.64 0.00 2.69 1.00 0.08 70.59 05:18:01 AM 2 21.88 0.00 2.76 2.97 0.08 72.30 05:18:01 AM 3 26.52 0.00 2.12 0.64 0.08 70.64 05:19:02 AM all 54.67 0.00 2.23 1.06 0.09 41.94 05:19:02 AM 0 48.12 0.00 3.20 1.29 0.08 47.31 05:19:02 AM 1 59.89 0.00 1.47 0.72 0.10 37.82 05:19:02 AM 2 58.93 0.00 2.16 1.69 0.08 37.14 05:19:02 AM 3 51.74 0.00 2.11 0.55 0.10 45.50 05:20:01 AM all 43.45 0.00 1.25 0.22 0.08 55.00 05:20:01 AM 0 31.43 0.00 1.68 0.83 0.09 65.96 05:20:01 AM 1 46.45 0.00 1.66 0.05 0.08 51.75 05:20:01 AM 2 45.72 0.00 1.02 0.00 0.08 53.17 05:20:01 AM 3 50.16 0.00 0.63 0.00 0.07 49.14 05:21:01 AM all 24.52 0.00 1.21 0.01 0.07 74.19 05:21:01 AM 0 21.55 0.00 0.77 0.03 0.07 77.59 05:21:01 AM 1 36.13 0.00 1.40 0.00 0.07 62.40 05:21:01 AM 2 14.33 0.00 1.57 0.02 0.07 84.02 05:21:01 AM 3 26.08 0.00 1.10 0.00 0.07 72.75 05:22:01 AM all 54.60 0.00 1.60 0.06 0.08 43.65 05:22:01 AM 0 48.12 0.00 1.27 0.03 0.08 50.49 05:22:01 AM 1 55.78 0.00 1.29 0.05 0.08 42.80 05:22:01 AM 2 55.78 0.00 1.77 0.05 0.08 42.32 05:22:01 AM 3 58.71 0.00 2.09 0.12 0.08 39.00 Average: all 40.11 0.00 1.75 0.53 0.08 57.53 Average: 0 33.72 0.00 1.83 0.57 0.08 63.79 Average: 1 44.77 0.00 1.70 0.37 0.08 53.08 Average: 2 39.31 0.00 1.86 0.95 0.08 57.81 Average: 3 42.61 0.00 1.61 0.26 0.08 55.43