---> uname -a: Linux prd-centos8-docker-8c-8g-5425.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): 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: 2800.000 BogoMIPS: 5600.00 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1652 27597 20 2638 29785 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:08:9b:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.214/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe08:9b05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1a:54:55:da 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) 09/26/2026 _x86_64_ (8 CPU) 14:01:20 LINUX RESTART (8 CPU) 02:02:01 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 203.27 2.78 200.48 852.12 14326.29 02:04:01 PM 106.28 1.57 104.72 390.33 10121.51 02:05:01 PM 41.67 1.98 39.69 60.25 5592.15 Average: 117.07 2.11 114.96 434.23 10013.31 02:02:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 27521340 29549040 5132032 15.72 2688 2342368 3115924 9.25 173080 4472824 230052 02:04:01 PM 27123856 29306488 5529516 16.93 2688 2492296 3158332 9.37 223844 4802568 102836 02:05:01 PM 28264696 30493524 4388676 13.44 2688 2537460 2055500 6.10 450760 3434068 7512 Average: 27636631 29783017 5016741 15.36 2688 2457375 2776585 8.24 282561 4236487 113467 02:02:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 268.74 211.08 3597.08 45.69 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 162.17 134.79 1449.93 29.89 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 231.19 167.04 641.00 141.31 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 220.71 170.97 1896.03 72.30 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) 09/26/2026 _x86_64_ (8 CPU) 14:01:20 LINUX RESTART (8 CPU) 02:02:01 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 20.37 0.00 1.34 0.58 0.01 77.69 02:03:01 PM 0 3.79 0.00 1.12 0.84 0.00 94.25 02:03:01 PM 1 13.90 0.00 0.85 0.22 0.00 85.03 02:03:01 PM 2 25.94 0.00 1.19 0.62 0.02 72.24 02:03:01 PM 3 10.51 0.00 0.69 0.32 0.02 88.46 02:03:01 PM 4 29.12 0.00 0.58 0.08 0.02 70.19 02:03:01 PM 5 35.77 0.00 3.19 1.69 0.02 59.34 02:03:01 PM 6 16.87 0.00 0.70 0.25 0.02 82.16 02:03:01 PM 7 26.98 0.00 2.44 0.67 0.03 69.88 02:04:01 PM all 42.35 0.00 1.80 0.28 0.02 55.55 02:04:01 PM 0 41.07 0.00 1.64 0.10 0.02 57.18 02:04:01 PM 1 42.99 0.00 2.32 0.10 0.02 54.57 02:04:01 PM 2 36.88 0.00 1.40 0.23 0.02 61.47 02:04:01 PM 3 50.78 0.00 1.85 0.20 0.02 47.15 02:04:01 PM 4 50.11 0.00 2.49 0.35 0.03 47.02 02:04:01 PM 5 41.96 0.00 1.45 0.30 0.02 56.27 02:04:01 PM 6 41.75 0.00 1.86 0.84 0.02 55.54 02:04:01 PM 7 33.26 0.00 1.41 0.12 0.00 65.22 02:05:01 PM all 19.60 0.00 1.23 0.16 0.01 79.00 02:05:01 PM 0 27.61 0.00 1.45 0.10 0.02 70.82 02:05:01 PM 1 15.38 0.00 1.07 0.00 0.00 83.55 02:05:01 PM 2 11.79 0.00 1.09 0.18 0.00 86.94 02:05:01 PM 3 16.04 0.00 1.67 0.12 0.00 82.17 02:05:01 PM 4 26.79 0.00 1.14 0.18 0.00 71.89 02:05:01 PM 5 14.58 0.00 1.74 0.45 0.02 83.21 02:05:01 PM 6 20.55 0.00 0.92 0.23 0.00 78.30 02:05:01 PM 7 24.05 0.00 0.78 0.00 0.02 75.15 Average: all 27.44 0.00 1.46 0.34 0.01 70.75 Average: 0 24.16 0.00 1.40 0.35 0.01 74.08 Average: 1 24.10 0.00 1.41 0.11 0.01 74.38 Average: 2 24.86 0.00 1.22 0.35 0.01 73.56 Average: 3 25.79 0.00 1.41 0.21 0.01 72.58 Average: 4 35.34 0.00 1.40 0.21 0.02 63.04 Average: 5 30.78 0.00 2.13 0.81 0.02 66.26 Average: 6 26.39 0.00 1.16 0.44 0.01 72.00 Average: 7 28.09 0.00 1.54 0.26 0.02 70.09