---> uname -a: Linux prd-centos8-docker-4c-4g-13142.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 768 12201 19 2790 14653 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:50:18:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.145/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fe50:1889/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:03:ae:73:d6 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) 07/15/2026 _x86_64_ (4 CPU) 12:25:51 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 363.36 28.54 334.82 7041.79 45211.55 12:28:01 PM 214.00 20.15 193.86 4125.21 16202.33 12:29:01 PM 90.59 1.72 88.87 102.77 10660.96 12:30:01 PM 4.11 0.08 4.03 4.00 253.04 12:31:01 PM 6.13 2.78 3.35 136.91 265.29 Average: 135.65 10.66 125.00 2282.37 14518.86 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 13264520 15060072 2874800 17.81 2688 2010420 1156708 6.73 147876 2369196 169388 12:28:01 PM 11713704 13995744 4425616 27.42 2688 2483936 2424364 14.11 223464 3782584 102100 12:29:01 PM 10572416 13055784 5566904 34.49 2688 2682084 2865316 16.67 265220 4868104 2240 12:30:01 PM 10361248 12849900 5778072 35.80 2688 2686736 2993184 17.41 265848 5077348 2212 12:31:01 PM 12561808 15060052 3577512 22.17 2688 2696220 1159680 6.75 284040 2865716 4548 Average: 11694739 14004310 4444581 27.54 2688 2511879 2119850 12.33 237290 3792590 56098 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 427.94 225.71 1951.50 73.35 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 253.70 209.51 3036.36 34.63 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 218.56 151.35 2958.49 33.64 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 22.01 17.76 8.56 27.36 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM lo 6.47 6.47 0.80 0.80 0.00 0.00 0.00 0.00 12:31:01 PM eth0 21.50 19.85 6.00 11.36 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 188.75 124.85 1592.37 36.07 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) 07/15/2026 _x86_64_ (4 CPU) 12:25:51 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 27.42 0.00 3.44 2.24 0.08 66.82 12:27:01 PM 0 24.32 0.00 3.19 1.40 0.08 71.00 12:27:01 PM 1 28.22 0.00 2.64 3.26 0.08 65.79 12:27:01 PM 2 30.19 0.00 4.53 3.64 0.08 61.56 12:27:01 PM 3 26.94 0.00 3.38 0.67 0.08 68.93 12:28:01 PM all 37.18 0.00 3.00 1.30 0.10 58.42 12:28:01 PM 0 31.68 0.00 3.03 1.12 0.08 64.08 12:28:01 PM 1 51.53 0.00 3.85 1.69 0.12 42.82 12:28:01 PM 2 33.64 0.00 2.57 0.92 0.10 62.77 12:28:01 PM 3 31.78 0.00 2.55 1.48 0.08 64.11 12:29:01 PM all 63.06 0.00 1.64 0.33 0.10 34.87 12:29:01 PM 0 70.62 0.00 0.80 0.13 0.10 28.34 12:29:01 PM 1 55.57 0.00 2.69 0.64 0.10 41.00 12:29:01 PM 2 68.55 0.00 1.28 0.15 0.10 29.91 12:29:01 PM 3 57.45 0.00 1.80 0.40 0.10 40.24 12:30:01 PM all 16.14 0.00 0.41 0.01 0.07 83.37 12:30:01 PM 0 13.86 0.00 0.40 0.02 0.07 85.66 12:30:01 PM 1 17.19 0.00 0.40 0.02 0.07 82.33 12:30:01 PM 2 13.15 0.00 0.47 0.02 0.07 86.30 12:30:01 PM 3 20.38 0.00 0.37 0.00 0.07 79.19 12:31:01 PM all 47.64 0.00 1.06 0.04 0.09 51.18 12:31:01 PM 0 79.22 0.00 1.87 0.08 0.10 18.72 12:31:01 PM 1 34.86 0.00 0.72 0.03 0.08 64.30 12:31:01 PM 2 36.98 0.00 0.62 0.03 0.08 62.28 12:31:01 PM 3 39.47 0.00 1.04 0.00 0.08 59.41 Average: all 38.29 0.00 1.91 0.78 0.09 58.93 Average: 0 43.96 0.00 1.86 0.55 0.09 53.54 Average: 1 37.47 0.00 2.06 1.13 0.09 59.25 Average: 2 36.52 0.00 1.89 0.95 0.09 60.56 Average: 3 35.21 0.00 1.83 0.51 0.08 62.37