---> uname -a: Linux prd-centos8-docker-8c-8g-6856.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1058 27147 19 3684 30371 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:00:4e:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.57/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe00:4e33/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:97:77:9d 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::42:2aff:fe97:779d/64 scope link 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) 04/28/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 216.36 14.56 201.80 3222.39 13648.52 05:14:01 PM 389.49 4.77 384.72 1165.14 12993.40 05:15:01 PM 251.07 4.93 246.14 573.98 43182.96 Average: 285.63 8.09 277.55 1653.80 23276.64 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28827288 30799432 3828424 11.72 2688 2288632 1862152 5.52 166252 3193432 138808 05:14:01 PM 27429188 29820940 5226524 16.00 2688 2699016 2626080 7.79 399804 4320796 229244 05:15:01 PM 27797420 31096968 4858292 14.88 2688 3595988 1531076 4.54 646492 3668924 166160 Average: 28017965 30572447 4637747 14.20 2688 2861212 2006436 5.95 404183 3727717 178071 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 216.04 177.74 2590.05 46.90 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 459.29 392.95 5904.87 54.38 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 537.51 463.33 6015.29 1303.53 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.51 14.24 0.50 257.77 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 404.29 344.68 4836.75 468.34 0.00 0.00 0.00 0.00 Average: docker0 2.17 4.75 0.17 85.94 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) 04/28/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.38 0.00 1.11 0.57 0.07 86.87 05:13:01 PM 0 6.90 0.00 0.60 0.25 0.07 92.19 05:13:01 PM 1 19.96 0.00 1.35 1.03 0.08 77.57 05:13:01 PM 2 22.42 0.00 2.36 1.29 0.07 73.88 05:13:01 PM 3 8.76 0.00 0.55 0.18 0.10 90.40 05:13:01 PM 4 7.67 0.00 0.92 0.47 0.05 90.89 05:13:01 PM 5 6.68 0.00 0.77 0.25 0.05 92.25 05:13:01 PM 6 12.57 0.00 1.70 0.84 0.07 84.83 05:13:01 PM 7 6.07 0.00 0.65 0.23 0.05 93.00 05:14:01 PM all 29.15 0.00 1.78 0.96 0.09 68.01 05:14:01 PM 0 40.87 0.00 1.22 0.40 0.10 57.40 05:14:01 PM 1 23.85 0.00 1.59 0.40 0.10 74.05 05:14:01 PM 2 19.23 0.00 2.45 1.61 0.10 76.61 05:14:01 PM 3 24.54 0.00 2.13 0.59 0.08 72.66 05:14:01 PM 4 40.01 0.00 1.29 0.79 0.10 57.81 05:14:01 PM 5 22.95 0.00 2.75 2.74 0.08 71.48 05:14:01 PM 6 31.99 0.00 1.66 0.86 0.08 65.41 05:14:01 PM 7 29.75 0.00 1.14 0.28 0.10 68.72 05:15:01 PM all 17.72 0.00 2.69 0.88 0.09 78.63 05:15:01 PM 0 16.47 0.00 2.75 1.01 0.08 79.69 05:15:01 PM 1 13.77 0.00 2.59 0.91 0.10 82.64 05:15:01 PM 2 12.05 0.00 2.77 1.28 0.08 83.82 05:15:01 PM 3 28.63 0.00 2.40 0.74 0.08 68.16 05:15:01 PM 4 11.10 0.00 3.32 0.76 0.07 84.75 05:15:01 PM 5 16.19 0.00 2.15 0.91 0.08 80.67 05:15:01 PM 6 13.58 0.00 3.19 0.55 0.10 82.57 05:15:01 PM 7 29.92 0.00 2.32 0.87 0.10 66.80 Average: all 19.41 0.00 1.86 0.80 0.08 77.85 Average: 0 21.40 0.00 1.52 0.55 0.08 76.44 Average: 1 19.20 0.00 1.84 0.78 0.09 78.09 Average: 2 17.91 0.00 2.52 1.39 0.08 78.09 Average: 3 20.64 0.00 1.69 0.50 0.09 77.08 Average: 4 19.59 0.00 1.84 0.67 0.07 77.82 Average: 5 15.26 0.00 1.89 1.30 0.07 81.48 Average: 6 19.38 0.00 2.18 0.75 0.08 77.61 Average: 7 21.90 0.00 1.37 0.46 0.08 76.19