---> uname -a: Linux prd-centos8-docker-4c-4g-234.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 15763 805 12130 19 2828 14623 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:2f:08:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.151/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fe2f:83c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5a:a4:8c:cc 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/16/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 211.98 15.16 196.82 3251.32 10463.94 01:25:01 PM 152.41 6.22 146.19 1056.09 15131.54 01:26:01 PM 37.24 3.12 34.13 139.44 829.21 Average: 133.88 8.17 125.71 1482.29 8808.23 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12784168 14821184 3357356 20.80 2688 2244136 1360604 7.92 189320 2772848 183388 01:25:01 PM 11449712 13751476 4691812 29.07 2688 2505116 2876760 16.73 255148 4017920 1720 01:26:01 PM 12485448 15037976 3656076 22.65 2688 2753368 1096484 6.38 524696 2714728 263248 Average: 12239776 14536879 3901748 24.17 2688 2500873 1777949 10.34 323055 3168499 149452 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 179.74 147.04 2011.02 34.00 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 21.38 21.38 4.49 4.49 0.00 0.00 0.00 0.00 01:25:01 PM eth0 323.31 208.93 3680.51 47.46 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 7.77 7.77 1.60 1.60 0.00 0.00 0.00 0.00 01:26:01 PM eth0 70.49 73.37 274.92 926.00 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.72 9.72 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 191.18 143.12 1988.82 335.82 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/16/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 27.05 0.00 2.59 1.03 0.10 69.23 01:24:01 PM 0 17.85 0.00 2.05 1.15 0.10 78.84 01:24:01 PM 1 28.25 0.00 3.20 1.22 0.10 67.23 01:24:01 PM 2 32.29 0.00 2.66 0.95 0.10 64.00 01:24:01 PM 3 29.82 0.00 2.46 0.80 0.10 66.82 01:25:01 PM all 51.15 0.00 1.89 0.88 0.10 45.99 01:25:01 PM 0 60.03 0.00 1.44 0.80 0.10 37.64 01:25:01 PM 1 38.43 0.00 2.86 1.39 0.08 57.24 01:25:01 PM 2 48.51 0.00 1.97 0.94 0.10 48.48 01:25:01 PM 3 57.60 0.00 1.29 0.38 0.10 40.62 01:26:01 PM all 16.40 0.00 1.33 0.13 0.06 82.08 01:26:01 PM 0 10.60 0.00 1.30 0.17 0.05 87.88 01:26:01 PM 1 15.11 0.00 1.00 0.02 0.07 83.80 01:26:01 PM 2 17.46 0.00 0.83 0.02 0.07 81.62 01:26:01 PM 3 22.43 0.00 2.19 0.32 0.07 75.00 Average: all 31.53 0.00 1.94 0.68 0.09 65.77 Average: 0 29.50 0.00 1.60 0.71 0.08 68.12 Average: 1 27.26 0.00 2.35 0.88 0.08 69.43 Average: 2 32.75 0.00 1.82 0.64 0.09 64.71 Average: 3 36.62 0.00 1.98 0.50 0.09 60.81