---> uname -a: Linux prd-centos8-docker-4c-4g-12115.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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 778 12072 19 2910 14645 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:8a:74:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::f816:3eff:fe8a:7407/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:52:2b:eb 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) 07/13/2026 _x86_64_ (4 CPU) 07:05:46 LINUX RESTART (4 CPU) 07:06:01 AM tps rtps wtps bread/s bwrtn/s 07:07:01 AM 265.91 21.76 244.15 5588.54 9183.77 07:08:01 AM 275.02 19.40 255.62 4132.24 16007.92 07:09:01 AM 37.47 1.73 35.74 64.91 7894.82 07:10:01 AM 62.54 1.65 60.89 123.05 9732.64 Average: 160.23 11.13 149.10 2477.21 10704.61 07:06:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:07:01 AM 13154860 15019808 2984460 18.49 2688 2077744 1163628 6.77 150444 2469908 242340 07:08:01 AM 11499960 13880124 4639360 28.75 2688 2580912 2342236 13.63 241888 3973492 226656 07:09:01 AM 11199780 13583884 4939540 30.61 2688 2584628 2605852 15.16 255392 4256212 896 07:10:01 AM 12361512 14996264 3777808 23.41 2688 2832680 1140900 6.64 555020 2797548 8472 Average: 12054028 14370020 4085292 25.31 2688 2518991 1813154 10.55 300686 3374290 119591 07:06:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:07:01 AM eth0 392.34 215.09 2013.27 69.71 0.00 0.00 0.00 0.00 07:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 07:08:01 AM eth0 449.39 310.56 4755.81 65.40 0.00 0.00 0.00 0.00 07:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 AM lo 25.89 25.89 5.15 5.15 0.00 0.00 0.00 0.00 07:09:01 AM eth0 28.36 19.09 8.64 17.01 0.00 0.00 0.00 0.00 07:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 AM lo 2.97 2.97 0.92 0.92 0.00 0.00 0.00 0.00 07:10:01 AM eth0 90.33 90.60 291.54 940.42 0.00 0.00 0.00 0.00 07:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.25 7.25 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 240.10 158.84 1767.25 273.11 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) 07/13/2026 _x86_64_ (4 CPU) 07:05:46 LINUX RESTART (4 CPU) 07:06:01 AM CPU %user %nice %system %iowait %steal %idle 07:07:01 AM all 23.78 0.00 3.04 1.19 0.08 71.90 07:07:01 AM 0 25.72 0.00 3.21 2.59 0.08 68.39 07:07:01 AM 1 18.27 0.00 2.88 1.02 0.08 77.74 07:07:01 AM 2 36.96 0.00 3.95 0.74 0.10 58.25 07:07:01 AM 3 14.14 0.00 2.13 0.42 0.07 83.24 07:08:01 AM all 49.60 0.00 3.00 1.46 0.10 45.84 07:08:01 AM 0 48.92 0.00 2.41 1.71 0.10 46.87 07:08:01 AM 1 51.01 0.00 2.98 1.86 0.12 44.03 07:08:01 AM 2 48.79 0.00 3.41 0.97 0.08 46.74 07:08:01 AM 3 49.66 0.00 3.21 1.32 0.10 45.71 07:09:01 AM all 20.04 0.00 0.73 0.23 0.08 78.92 07:09:01 AM 0 17.84 0.00 0.63 0.28 0.08 81.16 07:09:01 AM 1 10.79 0.00 0.90 0.54 0.08 87.69 07:09:01 AM 2 26.59 0.00 0.73 0.00 0.08 72.60 07:09:01 AM 3 24.94 0.00 0.63 0.10 0.08 74.24 07:10:01 AM all 24.48 0.00 2.15 0.32 0.10 72.96 07:10:01 AM 0 36.12 0.00 2.80 0.22 0.08 60.78 07:10:01 AM 1 22.01 0.00 1.64 0.10 0.12 76.14 07:10:01 AM 2 27.31 0.00 2.27 0.10 0.10 70.22 07:10:01 AM 3 12.44 0.00 1.87 0.85 0.10 84.74 Average: all 29.46 0.00 2.23 0.80 0.09 67.41 Average: 0 32.14 0.00 2.26 1.20 0.09 64.31 Average: 1 25.52 0.00 2.10 0.88 0.10 71.41 Average: 2 34.90 0.00 2.59 0.45 0.09 61.96 Average: 3 25.29 0.00 1.96 0.67 0.09 71.99