---> uname -a: Linux prd-centos8-docker-4c-4g-1280.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 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 772 12077 19 2911 14651 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:21:00:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.177/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe21:2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:45:5d:3c 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) 07/23/2026 _x86_64_ (4 CPU) 05:28:52 LINUX RESTART (4 CPU) 05:29:01 AM tps rtps wtps bread/s bwrtn/s 05:30:01 AM 255.60 54.80 200.80 7860.05 42552.67 05:31:01 AM 261.24 14.81 246.43 3204.40 16430.28 05:32:01 AM 75.07 6.22 68.86 1056.22 9264.37 05:33:01 AM 46.03 0.85 45.18 67.06 9315.71 Average: 159.50 19.17 140.33 3047.14 19391.48 05:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 AM 13374668 15102608 2764652 17.13 2688 1944248 1103736 6.42 138368 2274928 154200 05:31:01 AM 12460360 14798060 3678960 22.80 2688 2539448 1344968 7.83 189896 3072528 243972 05:32:01 AM 11138996 13523532 5000324 30.98 2688 2585128 2796052 16.27 250984 4320636 1608 05:33:01 AM 12434548 15068084 3704772 22.95 2688 2831652 1071624 6.23 534552 2744584 8428 Average: 12352143 14623071 3787177 23.47 2688 2475119 1579095 9.19 278450 3103169 102052 05:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 AM eth0 372.88 192.10 1661.36 71.18 0.00 0.00 0.00 0.00 05:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 AM eth0 378.19 278.94 4958.80 45.36 0.00 0.00 0.00 0.00 05:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:32:01 AM lo 23.95 23.95 4.92 4.92 0.00 0.00 0.00 0.00 05:32:01 AM eth0 89.70 42.34 158.57 30.68 0.00 0.00 0.00 0.00 05:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 AM lo 5.48 5.48 1.20 1.20 0.00 0.00 0.00 0.00 05:33:01 AM eth0 57.67 50.09 279.17 26.41 0.00 0.00 0.00 0.00 05:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.36 7.36 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 224.63 140.88 1764.74 43.41 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) 07/23/2026 _x86_64_ (4 CPU) 05:28:52 LINUX RESTART (4 CPU) 05:29:01 AM CPU %user %nice %system %iowait %steal %idle 05:30:01 AM all 24.74 0.00 4.18 4.71 0.09 66.29 05:30:01 AM 0 21.35 0.00 3.48 1.47 0.07 73.63 05:30:01 AM 1 32.19 0.00 6.11 3.22 0.10 58.38 05:30:01 AM 2 24.17 0.00 3.11 3.16 0.10 69.45 05:30:01 AM 3 21.26 0.00 4.03 10.96 0.08 63.67 05:31:01 AM all 25.49 0.00 2.70 4.17 0.10 67.54 05:31:01 AM 0 35.80 0.00 3.64 4.09 0.10 56.38 05:31:01 AM 1 24.35 0.00 2.71 3.28 0.10 69.57 05:31:01 AM 2 19.81 0.00 2.53 6.25 0.10 71.30 05:31:01 AM 3 22.00 0.00 1.94 3.05 0.10 72.91 05:32:01 AM all 47.75 0.00 1.31 0.63 0.10 50.21 05:32:01 AM 0 33.21 0.00 2.01 1.51 0.10 63.18 05:32:01 AM 1 58.23 0.00 0.33 0.05 0.10 41.29 05:32:01 AM 2 56.14 0.00 0.77 0.03 0.10 42.96 05:32:01 AM 3 43.39 0.00 2.13 0.92 0.10 53.46 05:33:01 AM all 18.49 0.00 1.53 0.65 0.07 79.25 05:33:01 AM 0 20.16 0.00 1.50 0.35 0.07 77.92 05:33:01 AM 1 16.81 0.00 1.22 0.32 0.07 81.59 05:33:01 AM 2 16.81 0.00 1.32 0.45 0.08 81.33 05:33:01 AM 3 20.19 0.00 2.09 1.47 0.07 76.18 Average: all 29.12 0.00 2.43 2.53 0.09 65.82 Average: 0 27.62 0.00 2.65 1.85 0.08 67.79 Average: 1 32.90 0.00 2.59 1.71 0.09 62.71 Average: 2 29.26 0.00 1.93 2.47 0.10 66.24 Average: 3 26.71 0.00 2.55 4.10 0.09 66.55