---> uname -a: Linux prd-centos8-docker-4c-4g-420.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1017 10816 19 3927 14394 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:9f:0f:43 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 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe9f:f43/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:92:c2:a7:42 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 inet6 fe80::42:92ff:fec2:a742/64 scope link 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) 06/22/2026 _x86_64_ (4 CPU) 12:30:05 LINUX RESTART (4 CPU) 12:31:01 PM tps rtps wtps bread/s bwrtn/s 12:32:01 PM 237.72 5.96 231.76 746.55 15971.24 12:33:01 PM 233.39 2.02 231.37 498.10 34960.18 12:34:01 PM 980.17 95.15 885.02 1698.25 24435.89 Average: 483.73 34.37 449.36 980.93 25122.48 12:31:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:32:01 PM 11868916 14080036 4270404 26.46 2688 2413364 2176944 12.67 193056 3657392 200520 12:33:01 PM 10605660 14049956 5533660 34.29 2688 3531220 1801884 10.48 353476 4513280 401852 12:34:01 PM 8959364 12558636 7179956 44.49 2688 3588816 1934020 11.25 403632 5862544 12 Average: 10477980 13562876 5661340 35.08 2688 3177800 1970949 11.47 316721 4677739 200795 12:31:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 326.29 257.90 4029.51 44.48 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 6.23 6.23 4.78 4.78 0.00 0.00 0.00 0.00 12:33:01 PM eth0 351.97 224.14 4078.55 40.46 0.00 0.00 0.00 0.00 12:33:01 PM docker0 3.37 3.18 4.09 0.45 0.00 0.00 0.00 0.00 12:34:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 PM eth0 8.33 3.13 61.12 0.65 0.00 0.00 0.00 0.00 12:34:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.08 2.08 1.59 1.59 0.00 0.00 0.00 0.00 Average: eth0 228.88 161.73 2723.20 28.53 0.00 0.00 0.00 0.00 Average: docker0 1.12 1.06 1.36 0.15 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) 06/22/2026 _x86_64_ (4 CPU) 12:30:05 LINUX RESTART (4 CPU) 12:31:01 PM CPU %user %nice %system %iowait %steal %idle 12:32:01 PM all 33.90 0.00 2.46 1.30 0.12 62.22 12:32:01 PM 0 36.33 0.00 2.95 1.49 0.13 59.10 12:32:01 PM 1 33.64 0.00 2.46 1.02 0.10 62.78 12:32:01 PM 2 31.71 0.00 2.26 1.39 0.12 64.53 12:32:01 PM 3 33.90 0.00 2.19 1.31 0.13 62.47 12:33:01 PM all 40.92 0.09 7.78 1.28 0.11 49.83 12:33:01 PM 0 49.07 0.07 7.97 0.24 0.12 42.53 12:33:01 PM 1 35.14 0.03 7.00 1.85 0.12 55.85 12:33:01 PM 2 38.38 0.15 8.57 1.68 0.10 51.11 12:33:01 PM 3 41.06 0.10 7.58 1.34 0.08 49.84 12:34:01 PM all 33.46 0.00 5.12 7.63 0.11 53.68 12:34:01 PM 0 25.82 0.00 6.07 8.63 0.10 59.39 12:34:01 PM 1 32.75 0.00 6.22 10.50 0.10 50.43 12:34:01 PM 2 38.29 0.00 3.33 4.24 0.10 54.04 12:34:01 PM 3 36.95 0.00 4.87 7.19 0.12 50.87 Average: all 36.08 0.03 5.11 3.41 0.11 55.27 Average: 0 37.06 0.02 5.65 3.45 0.12 53.69 Average: 1 33.84 0.01 5.22 4.45 0.11 56.37 Average: 2 36.11 0.05 4.70 2.44 0.11 56.59 Average: 3 37.29 0.03 4.87 3.28 0.11 54.42