---> uname -a: Linux prd-centos8-docker-4c-4g-2674.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: 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): 0-3 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 763 12100 20 2897 14659 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:50:32:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.122/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86070sec preferred_lft 86070sec inet6 fe80::f816:3eff:fe50:3221/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b1:fc:1d:e4 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) 10/17/2026 _x86_64_ (4 CPU) 22:26:59 LINUX RESTART (4 CPU) 10:28:01 PM tps rtps wtps bread/s bwrtn/s 10:29:01 PM 57.72 0.33 57.39 32.53 5480.67 10:30:01 PM 128.94 14.93 114.01 3219.33 12585.17 10:31:01 PM 191.22 5.78 185.44 1042.05 11582.81 10:32:01 PM 47.30 1.85 45.45 101.57 9793.35 Average: 106.30 5.72 100.57 1098.91 9860.68 10:28:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:29:01 PM 13390228 15127604 2749088 17.03 2688 1954852 1097048 6.38 139048 2257008 137472 10:30:01 PM 12782644 14858080 3356672 20.80 2688 2283784 1362532 7.93 159420 2800620 57556 10:31:01 PM 11240272 13608136 4899044 30.35 2688 2569408 2594000 15.09 255332 4214628 11460 10:32:01 PM 12390928 15010352 3748388 23.23 2688 2819000 1159000 6.74 353468 2969336 4 Average: 12451018 14651043 3688298 22.85 2688 2406761 1553145 9.04 226817 3060398 51623 10:28:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:29:01 PM eth0 64.62 44.04 956.75 6.98 0.00 0.00 0.00 0.00 10:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 PM eth0 99.62 77.29 973.74 20.01 0.00 0.00 0.00 0.00 10:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:31:01 PM lo 15.31 15.31 1.71 1.71 0.00 0.00 0.00 0.00 10:31:01 PM eth0 355.35 292.92 3985.01 55.98 0.00 0.00 0.00 0.00 10:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:32:01 PM lo 16.53 16.53 6.59 6.59 0.00 0.00 0.00 0.00 10:32:01 PM eth0 113.16 89.80 284.15 950.25 0.00 0.00 0.00 0.00 10:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.96 7.96 2.07 2.07 0.00 0.00 0.00 0.00 Average: eth0 158.19 126.02 1549.94 258.32 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) 10/17/2026 _x86_64_ (4 CPU) 22:26:59 LINUX RESTART (4 CPU) 10:28:01 PM CPU %user %nice %system %iowait %steal %idle 10:29:01 PM all 9.42 0.00 0.91 0.28 0.00 89.39 10:29:01 PM 0 16.10 0.00 1.42 0.37 0.00 82.11 10:29:01 PM 1 1.62 0.00 0.55 0.18 0.00 97.65 10:29:01 PM 2 5.33 0.00 0.48 0.22 0.00 93.97 10:29:01 PM 3 14.62 0.00 1.18 0.37 0.00 83.83 10:30:01 PM all 13.79 0.00 1.42 0.81 0.00 83.98 10:30:01 PM 0 7.50 0.00 0.82 0.50 0.00 91.18 10:30:01 PM 1 7.14 0.00 0.87 0.60 0.00 91.38 10:30:01 PM 2 22.54 0.00 2.01 0.72 0.02 74.72 10:30:01 PM 3 17.96 0.00 1.97 1.42 0.00 78.65 10:31:01 PM all 54.64 0.00 2.48 0.89 0.03 41.97 10:31:01 PM 0 63.56 0.00 1.25 0.27 0.02 34.91 10:31:01 PM 1 44.26 0.00 3.34 1.56 0.02 50.83 10:31:01 PM 2 49.03 0.00 2.51 0.94 0.02 47.51 10:31:01 PM 3 61.65 0.00 2.81 0.82 0.05 34.67 10:32:01 PM all 15.94 0.00 1.68 0.35 0.00 82.03 10:32:01 PM 0 12.74 0.00 1.52 0.13 0.02 85.59 10:32:01 PM 1 14.14 0.00 1.60 0.08 0.00 84.17 10:32:01 PM 2 24.76 0.00 1.90 0.83 0.00 72.50 10:32:01 PM 3 12.12 0.00 1.69 0.33 0.00 85.85 Average: all 23.43 0.00 1.62 0.58 0.01 74.35 Average: 0 24.99 0.00 1.25 0.32 0.01 73.43 Average: 1 16.76 0.00 1.59 0.61 0.00 81.04 Average: 2 25.40 0.00 1.73 0.68 0.01 72.19 Average: 3 26.57 0.00 1.91 0.74 0.01 70.77