---> uname -a: Linux prd-centos8-docker-4c-4g-30.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 820 12169 19 2770 14602 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:b2:7d:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.35/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:feb2:7db5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:01:8f:44:82 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) 08:08:33 LINUX RESTART (4 CPU) 08:09:01 AM tps rtps wtps bread/s bwrtn/s 08:10:01 AM 237.44 10.75 226.69 1418.19 8730.36 08:11:01 AM 209.65 21.88 187.77 4138.75 15906.95 08:12:01 AM 83.74 0.05 83.69 1.07 10187.92 Average: 176.94 10.89 166.05 1852.67 11608.41 08:09:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 AM 13162160 14995600 2977152 18.45 2688 2047636 1219584 7.10 150556 2464328 192076 08:11:01 AM 11901524 14184312 4237788 26.26 2688 2484884 1854880 10.79 233044 3584112 87864 08:12:01 AM 10160976 12641276 5978336 37.04 2688 2679364 3205032 18.65 261928 5279920 2592 Average: 11741553 13940396 4397759 27.25 2688 2403961 2093165 12.18 215176 3776120 94177 08:09:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 278.29 161.56 1765.87 53.80 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:11:01 AM eth0 249.95 211.08 2779.22 33.61 0.00 0.00 0.00 0.00 08:11:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:12:01 AM eth0 295.03 194.04 2985.26 50.23 0.00 0.00 0.00 0.00 08:12:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 274.43 188.89 2510.12 45.88 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) 08:08:33 LINUX RESTART (4 CPU) 08:09:01 AM CPU %user %nice %system %iowait %steal %idle 08:10:01 AM all 21.14 0.00 2.18 1.14 0.09 75.44 08:10:01 AM 0 33.01 0.00 3.83 3.08 0.10 59.98 08:10:01 AM 1 18.36 0.00 1.47 0.43 0.07 79.67 08:10:01 AM 2 22.77 0.00 2.24 0.84 0.10 74.05 08:10:01 AM 3 10.42 0.00 1.19 0.22 0.08 88.08 08:11:01 AM all 48.51 0.00 2.50 1.32 0.15 47.52 08:11:01 AM 0 51.75 0.00 2.12 1.04 0.13 44.96 08:11:01 AM 1 43.20 0.00 2.09 1.15 0.15 53.40 08:11:01 AM 2 53.00 0.00 3.48 1.76 0.15 41.61 08:11:01 AM 3 46.10 0.00 2.31 1.32 0.17 50.10 08:12:01 AM all 59.13 0.00 1.72 0.53 0.13 38.49 08:12:01 AM 0 61.74 0.00 1.35 0.13 0.13 36.64 08:12:01 AM 1 52.53 0.00 1.92 0.43 0.13 44.98 08:12:01 AM 2 59.70 0.00 1.17 1.15 0.12 37.86 08:12:01 AM 3 62.56 0.00 2.44 0.38 0.13 34.48 Average: all 42.93 0.00 2.14 1.00 0.12 53.81 Average: 0 48.84 0.00 2.43 1.42 0.12 47.19 Average: 1 38.02 0.00 1.83 0.67 0.12 59.36 Average: 2 45.16 0.00 2.30 1.25 0.12 51.17 Average: 3 39.71 0.00 1.98 0.64 0.13 57.54