---> uname -a: Linux prd-centos8-docker-4c-4g-4292.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 776 12077 19 2907 14646 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:f1:36:45 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 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fef1:3645/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:14:65:c5:c3 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) 07/01/2026 _x86_64_ (4 CPU) 11:41:03 LINUX RESTART (4 CPU) 11:42:02 AM tps rtps wtps bread/s bwrtn/s 11:43:01 AM 278.43 16.86 261.57 3890.19 16794.36 11:44:01 AM 62.00 4.63 57.36 371.74 9111.16 11:45:01 AM 50.71 3.17 47.54 140.24 8821.48 Average: 129.55 8.17 121.38 1453.80 11546.38 11:42:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:43:01 AM 12143952 14502804 3995368 24.76 2688 2560244 1581612 9.20 217600 3357496 244932 11:44:01 AM 11433396 13813572 4705924 29.16 2688 2580812 2283948 13.29 256284 4021600 912 11:45:01 AM 12368216 14999324 3771104 23.37 2688 2829200 1140744 6.64 540396 2804532 24368 Average: 11981855 14438567 4157465 25.76 2688 2656752 1668768 9.71 338093 3394543 90071 11:42:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:43:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:43:01 AM eth0 408.80 294.44 5118.89 70.91 0.00 0.00 0.00 0.00 11:43:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:44:01 AM lo 24.49 24.49 5.03 5.03 0.00 0.00 0.00 0.00 11:44:01 AM eth0 43.64 32.12 106.55 21.77 0.00 0.00 0.00 0.00 11:44:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:45:01 AM lo 4.63 4.63 1.07 1.07 0.00 0.00 0.00 0.00 11:45:01 AM eth0 67.11 74.87 281.35 934.16 0.00 0.00 0.00 0.00 11:45:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.76 9.76 2.04 2.04 0.00 0.00 0.00 0.00 Average: eth0 171.86 132.91 1817.16 343.78 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) 07/01/2026 _x86_64_ (4 CPU) 11:41:03 LINUX RESTART (4 CPU) 11:42:02 AM CPU %user %nice %system %iowait %steal %idle 11:43:01 AM all 36.60 0.00 3.33 1.65 0.17 58.25 11:43:01 AM 0 39.68 0.00 3.97 1.97 0.12 54.26 11:43:01 AM 1 31.90 0.00 2.71 1.46 0.26 63.67 11:43:01 AM 2 44.26 0.00 2.94 1.65 0.15 51.00 11:43:01 AM 3 30.53 0.00 3.67 1.54 0.14 64.12 11:44:01 AM all 35.81 0.00 0.91 0.35 0.09 62.84 11:44:01 AM 0 35.48 0.00 0.89 0.35 0.08 63.19 11:44:01 AM 1 42.43 0.00 0.44 0.12 0.08 56.93 11:44:01 AM 2 31.74 0.00 0.84 0.55 0.10 66.76 11:44:01 AM 3 33.59 0.00 1.49 0.37 0.08 64.47 11:45:01 AM all 20.95 0.00 1.75 0.37 0.07 76.87 11:45:01 AM 0 17.61 0.00 2.07 0.18 0.07 80.07 11:45:01 AM 1 33.17 0.00 1.87 0.72 0.07 64.18 11:45:01 AM 2 12.98 0.00 1.71 0.52 0.07 84.72 11:45:01 AM 3 20.01 0.00 1.34 0.07 0.07 78.52 Average: all 31.07 0.00 1.99 0.79 0.11 66.05 Average: 0 30.84 0.00 2.30 0.83 0.09 65.95 Average: 1 35.86 0.00 1.67 0.76 0.14 61.58 Average: 2 29.58 0.00 1.83 0.90 0.11 67.59 Average: 3 28.02 0.00 2.16 0.65 0.10 69.08