---> uname -a: Linux prd-centos8-docker-4c-4g-7122.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 25M 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 815 12031 27 2913 14599 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:2d:57:81 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.117/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe2d:5781/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9f:62:78:ac 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) 06/05/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 258.21 15.79 242.42 3134.02 15961.90 01:26:01 PM 64.20 5.33 58.86 1064.45 8951.58 01:27:01 PM 52.49 3.17 49.33 140.24 8980.50 Average: 124.97 8.10 116.87 1446.31 11298.12 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12335800 14668044 3803520 23.57 2688 2542104 1425500 8.29 199100 3188772 243372 01:26:01 PM 10899628 13278388 5239692 32.47 2688 2587520 2921468 17.00 255408 4555740 1628 01:27:01 PM 12348600 14979744 3790720 23.49 2688 2837144 1203720 7.00 538656 2826404 25568 Average: 11861343 14308725 4277977 26.51 2688 2655589 1850229 10.76 331055 3523639 90189 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 417.44 300.03 4872.15 67.69 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 23.56 23.56 4.89 4.89 0.00 0.00 0.00 0.00 01:26:01 PM eth0 38.72 31.27 145.86 19.77 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 5.45 5.45 1.19 1.19 0.00 0.00 0.00 0.00 01:27:01 PM eth0 77.34 83.19 283.19 939.49 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 177.84 138.17 1767.15 342.28 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) 06/05/2026 _x86_64_ (4 CPU) 13:23:00 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 27.88 0.00 2.81 1.37 0.11 67.83 01:25:01 PM 0 29.74 0.00 2.14 0.66 0.10 67.37 01:25:01 PM 1 20.15 0.00 2.93 2.01 0.13 74.78 01:25:01 PM 2 40.55 0.00 4.13 1.35 0.12 53.85 01:25:01 PM 3 21.52 0.00 2.08 1.47 0.08 74.85 01:26:01 PM all 45.67 0.00 1.16 0.36 0.07 52.74 01:26:01 PM 0 50.93 0.00 0.47 0.07 0.07 48.47 01:26:01 PM 1 31.82 0.00 1.94 0.89 0.08 65.27 01:26:01 PM 2 55.61 0.00 0.43 0.10 0.07 43.79 01:26:01 PM 3 44.29 0.00 1.79 0.38 0.07 53.47 01:27:01 PM all 19.41 0.00 1.69 0.25 0.06 78.58 01:27:01 PM 0 21.19 0.00 1.52 0.05 0.07 77.17 01:27:01 PM 1 13.51 0.00 1.25 0.03 0.05 85.15 01:27:01 PM 2 26.55 0.00 1.49 0.28 0.07 71.62 01:27:01 PM 3 16.38 0.00 2.51 0.65 0.07 80.39 Average: all 31.00 0.00 1.88 0.66 0.08 66.38 Average: 0 33.97 0.00 1.37 0.26 0.08 64.33 Average: 1 21.82 0.00 2.04 0.98 0.09 75.07 Average: 2 40.91 0.00 1.99 0.57 0.08 56.45 Average: 3 27.39 0.00 2.12 0.84 0.07 69.57