---> uname -a: Linux prd-centos8-docker-4c-4g-3233.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 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 759 12105 20 2896 14663 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:8c:d7:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.238/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86047sec preferred_lft 86047sec inet6 fe80::f816:3eff:fe8c:d7b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:90:a5:22:1c 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) 10/19/2026 _x86_64_ (4 CPU) 10:54:51 LINUX RESTART (4 CPU) 10:56:02 AM tps rtps wtps bread/s bwrtn/s 10:57:01 AM 56.48 0.34 56.14 33.08 5572.02 10:58:01 AM 97.38 14.68 82.71 3113.23 8366.26 10:59:02 AM 200.33 4.73 195.60 1018.35 8715.52 11:00:01 AM 53.81 2.19 51.63 81.60 8235.23 11:01:01 AM 28.54 1.20 27.34 107.01 9203.05 Average: 87.54 4.65 82.89 876.13 8026.09 10:56:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:57:01 AM 13403100 15141012 2736216 16.95 2688 1955476 1105384 6.43 138060 2246720 137716 10:58:01 AM 12942564 15005284 3196752 19.81 2688 2272056 1426220 8.30 157336 2653080 168724 10:59:02 AM 11674940 14039476 4464376 27.66 2688 2566292 2101972 12.23 241072 3801376 226228 11:00:01 AM 12367660 14982040 3771656 23.37 2688 2814032 1211928 7.05 353220 2993588 252056 11:01:01 AM 12379344 15000620 3759972 23.30 2688 2820572 1176680 6.85 540348 2794624 8356 Average: 12553522 14833686 3585794 22.22 2688 2485686 1404437 8.17 286007 2897878 158616 10:56:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:57:01 AM eth0 58.45 39.35 967.80 10.39 0.00 0.00 0.00 0.00 10:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 AM eth0 91.60 56.08 857.24 14.77 0.00 0.00 0.00 0.00 10:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:02 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:59:02 AM eth0 415.25 289.03 4130.52 73.24 0.00 0.00 0.00 0.00 10:59:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 AM lo 32.19 32.19 8.42 8.42 0.00 0.00 0.00 0.00 11:00:01 AM eth0 116.28 78.01 303.20 53.02 0.00 0.00 0.00 0.00 11:00:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 AM eth0 28.59 30.13 15.95 918.25 0.00 0.00 0.00 0.00 11:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.40 6.40 1.67 1.67 0.00 0.00 0.00 0.00 Average: eth0 142.43 98.81 1259.35 215.17 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) 10/19/2026 _x86_64_ (4 CPU) 10:54:51 LINUX RESTART (4 CPU) 10:56:02 AM CPU %user %nice %system %iowait %steal %idle 10:57:01 AM all 9.77 0.00 0.90 0.70 0.00 88.62 10:57:01 AM 0 7.70 0.00 0.80 0.56 0.00 90.94 10:57:01 AM 1 10.34 0.00 0.85 0.83 0.00 87.98 10:57:01 AM 2 19.88 0.00 1.76 1.29 0.00 77.07 10:57:01 AM 3 1.16 0.00 0.19 0.14 0.00 98.52 10:58:01 AM all 10.60 0.00 1.10 1.50 0.02 86.78 10:58:01 AM 0 10.92 0.00 0.70 0.97 0.02 87.40 10:58:01 AM 1 13.69 0.00 1.52 1.44 0.03 83.32 10:58:01 AM 2 13.93 0.00 1.42 2.17 0.02 82.46 10:58:01 AM 3 3.85 0.00 0.75 1.42 0.02 93.96 10:59:02 AM all 45.42 0.00 2.55 2.73 0.03 49.28 10:59:02 AM 0 45.78 0.00 1.92 2.29 0.03 49.97 10:59:02 AM 1 47.84 0.00 1.65 1.17 0.02 49.32 10:59:02 AM 2 47.18 0.00 3.13 2.86 0.03 46.79 10:59:02 AM 3 40.87 0.00 3.49 4.59 0.03 51.01 11:00:01 AM all 32.27 0.00 1.98 0.65 0.02 65.08 11:00:01 AM 0 21.00 0.00 2.24 1.82 0.02 74.92 11:00:01 AM 1 45.34 0.00 1.38 0.00 0.02 53.27 11:00:01 AM 2 36.91 0.00 2.24 0.49 0.02 60.33 11:00:01 AM 3 25.84 0.00 2.04 0.29 0.02 71.81 11:01:01 AM all 13.50 0.00 1.36 0.46 0.02 84.66 11:01:01 AM 0 3.99 0.00 1.35 0.52 0.02 94.13 11:01:01 AM 1 5.26 0.00 0.92 0.15 0.02 93.66 11:01:01 AM 2 11.24 0.00 0.89 0.90 0.02 86.95 11:01:01 AM 3 33.52 0.00 2.30 0.27 0.03 63.88 Average: all 22.31 0.00 1.58 1.21 0.02 74.88 Average: 0 17.89 0.00 1.40 1.23 0.02 79.46 Average: 1 24.46 0.00 1.26 0.72 0.02 73.53 Average: 2 25.80 0.00 1.89 1.55 0.02 70.75 Average: 3 21.10 0.00 1.76 1.35 0.02 75.78