---> uname -a: Linux prd-centos8-docker-4c-4g-11859.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 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 812 12039 19 2909 14611 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:e9:4f:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fee9:4f45/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:67:ee:3f:6e 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) 06/15/2026 _x86_64_ (4 CPU) 01:24:56 LINUX RESTART (4 CPU) 01:26:01 AM tps rtps wtps bread/s bwrtn/s 01:27:01 AM 280.20 18.59 261.61 4023.58 16517.99 01:28:01 AM 46.13 2.42 43.72 236.05 8530.66 Average: 163.19 10.50 152.68 2130.13 12524.99 01:26:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:27:01 AM 11787052 14159268 4352268 26.97 2688 2573212 1965944 11.44 224032 3706384 244412 01:28:01 AM 11320152 13703116 4819168 29.86 2688 2583564 2403312 13.98 251168 4140176 920 Average: 11553602 13931192 4585718 28.41 2688 2578388 2184628 12.71 237600 3923280 122666 01:26:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:27:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 AM eth0 407.79 293.22 4987.85 54.20 0.00 0.00 0.00 0.00 01:27:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM lo 24.93 24.93 5.06 5.06 0.00 0.00 0.00 0.00 01:28:01 AM eth0 25.01 15.68 9.71 17.29 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.46 12.46 2.53 2.53 0.00 0.00 0.00 0.00 Average: eth0 216.43 154.47 2499.19 35.75 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) 06/15/2026 _x86_64_ (4 CPU) 01:24:56 LINUX RESTART (4 CPU) 01:26:01 AM CPU %user %nice %system %iowait %steal %idle 01:27:01 AM all 40.91 0.00 2.84 1.30 0.10 54.86 01:27:01 AM 0 32.67 0.00 3.66 1.89 0.12 61.66 01:27:01 AM 1 39.95 0.00 2.68 1.05 0.10 56.22 01:27:01 AM 2 52.28 0.00 2.46 0.67 0.10 44.50 01:27:01 AM 3 38.71 0.00 2.56 1.59 0.08 57.05 01:28:01 AM all 32.00 0.00 0.72 0.30 0.08 66.90 01:28:01 AM 0 31.25 0.00 0.82 0.38 0.07 67.48 01:28:01 AM 1 16.42 0.00 1.39 0.80 0.08 81.31 01:28:01 AM 2 40.15 0.00 0.30 0.00 0.07 59.49 01:28:01 AM 3 40.17 0.00 0.38 0.03 0.08 59.33 Average: all 36.45 0.00 1.78 0.80 0.09 60.88 Average: 0 31.96 0.00 2.24 1.14 0.09 64.57 Average: 1 28.18 0.00 2.03 0.93 0.09 68.77 Average: 2 46.21 0.00 1.38 0.33 0.08 51.99 Average: 3 39.44 0.00 1.47 0.81 0.08 58.19