---> uname -a: Linux prd-centos8-docker-4c-4g-5302.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 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1736 10017 19 4006 13675 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:03:8f:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.148/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86058sec preferred_lft 86058sec inet6 fe80::f816:3eff:fe03:8f92/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:04:0e:61:87 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 inet6 fe80::42:4ff:fe0e:6187/64 scope link 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) 05/30/2026 _x86_64_ (4 CPU) 09:30:05 LINUX RESTART (4 CPU) 09:31:01 AM tps rtps wtps bread/s bwrtn/s 09:32:01 AM 259.86 4.78 255.08 494.10 14939.57 09:33:01 AM 217.33 2.38 214.95 736.69 37186.37 09:34:01 AM 1025.90 95.12 930.78 1697.98 25812.18 09:35:01 AM 73.02 25.13 47.89 460.32 3528.48 Average: 394.01 31.85 362.16 847.25 20367.12 09:31:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 AM 12293300 14549984 3846020 23.83 2688 2459076 1667480 9.70 172440 3259708 319296 09:33:01 AM 10939772 14075324 5199548 32.22 2688 3278488 1899488 11.05 363848 4276420 113148 09:34:01 AM 9628360 13290176 6510960 40.34 2688 3649556 1985036 11.55 413256 5188712 16 09:35:01 AM 10339212 14075260 5800108 35.94 2688 3720660 1786752 10.40 518316 4390280 12 Average: 10800161 13997686 5339159 33.08 2688 3276945 1834689 10.67 366965 4278780 108118 09:31:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 373.21 288.35 5026.47 46.56 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:33:01 AM lo 6.08 6.08 4.59 4.59 0.00 0.00 0.00 0.00 09:33:01 AM eth0 322.64 209.40 3485.35 35.37 0.00 0.00 0.00 0.00 09:33:01 AM docker0 3.28 3.13 4.08 0.45 0.00 0.00 0.00 0.00 09:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:34:01 AM eth0 89.94 53.79 761.47 8.47 0.00 0.00 0.00 0.00 09:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 AM eth0 247.09 147.33 407.08 186.05 0.00 0.00 0.00 0.00 09:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.52 1.52 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 258.23 174.72 2420.24 69.11 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.78 1.02 0.11 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) 05/30/2026 _x86_64_ (4 CPU) 09:30:05 LINUX RESTART (4 CPU) 09:31:01 AM CPU %user %nice %system %iowait %steal %idle 09:32:01 AM all 25.88 0.00 2.71 1.63 0.09 69.70 09:32:01 AM 0 45.77 0.00 4.07 1.27 0.10 48.79 09:32:01 AM 1 20.14 0.00 3.03 2.03 0.10 74.70 09:32:01 AM 2 22.34 0.00 1.67 1.57 0.08 74.33 09:32:01 AM 3 15.21 0.00 2.04 1.64 0.08 81.02 09:33:01 AM all 47.39 0.09 5.58 1.96 0.11 44.87 09:33:01 AM 0 50.14 0.05 5.11 1.01 0.10 43.59 09:33:01 AM 1 48.50 0.02 5.90 1.53 0.12 43.93 09:33:01 AM 2 49.33 0.08 5.96 4.30 0.12 40.21 09:33:01 AM 3 41.58 0.20 5.35 1.00 0.10 51.77 09:34:01 AM all 29.48 0.00 7.74 8.26 0.11 54.41 09:34:01 AM 0 42.05 0.00 7.51 8.84 0.12 41.48 09:34:01 AM 1 18.56 0.00 7.26 8.02 0.10 66.05 09:34:01 AM 2 27.55 0.00 9.08 9.99 0.12 53.26 09:34:01 AM 3 29.73 0.00 7.10 6.17 0.10 56.90 09:35:01 AM all 39.81 0.00 2.09 0.97 0.08 57.05 09:35:01 AM 0 21.87 0.00 1.99 0.79 0.07 75.29 09:35:01 AM 1 35.38 0.00 2.06 0.82 0.08 61.66 09:35:01 AM 2 57.58 0.00 2.61 1.61 0.10 38.10 09:35:01 AM 3 44.40 0.00 1.70 0.65 0.08 53.16 Average: all 35.63 0.02 4.52 3.19 0.10 56.54 Average: 0 39.94 0.01 4.66 2.97 0.10 52.32 Average: 1 30.65 0.00 4.55 3.09 0.10 61.61 Average: 2 39.21 0.02 4.82 4.35 0.11 51.49 Average: 3 32.73 0.05 4.04 2.36 0.09 60.74