---> uname -a: Linux prd-centos8-docker-4c-4g-3072.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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 762 12094 20 2903 14660 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:5a:dc:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.87/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe5a:dcbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cd:23:a1:ce 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) 09/18/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 132.77 15.13 117.64 3145.89 9594.25 01:25:01 PM 217.61 5.81 211.80 1064.85 11363.15 01:26:01 PM 29.93 0.60 29.33 17.85 7678.26 Average: 126.76 7.18 119.58 1409.47 9545.02 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12936820 15007380 3202496 19.84 2688 2279752 1433088 8.34 156300 2658192 233532 01:25:01 PM 11643372 14016940 4495944 27.86 2688 2575208 2069792 12.04 244200 3826324 223840 01:26:01 PM 11183480 13559616 4955836 30.71 2688 2577628 2539796 14.78 254376 4274764 268 Average: 11921224 14194645 4218092 26.14 2688 2477529 2014225 11.72 218292 3586427 152547 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 139.03 89.37 1818.33 19.24 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 1.25 1.25 0.11 0.11 0.00 0.00 0.00 0.00 01:25:01 PM eth0 309.53 260.23 4097.10 51.52 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 27.61 27.61 5.28 5.28 0.00 0.00 0.00 0.00 01:26:01 PM eth0 25.07 16.14 9.63 16.29 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 Average: lo 9.62 9.62 1.80 1.80 0.00 0.00 0.00 0.00 Average: eth0 157.86 121.90 1974.79 29.01 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) 09/18/2026 _x86_64_ (4 CPU) 13:22:26 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 21.28 0.00 2.22 0.98 0.02 75.51 01:24:01 PM 0 9.72 0.00 1.30 0.52 0.02 88.45 01:24:01 PM 1 28.22 0.00 2.92 0.75 0.02 68.09 01:24:01 PM 2 29.72 0.00 2.70 1.10 0.02 66.46 01:24:01 PM 3 17.45 0.00 1.94 1.56 0.02 79.03 01:25:01 PM all 49.03 0.00 2.69 1.64 0.04 46.61 01:25:01 PM 0 46.28 0.00 3.96 2.38 0.03 47.34 01:25:01 PM 1 46.13 0.00 3.28 2.07 0.07 48.45 01:25:01 PM 2 52.26 0.00 2.11 1.42 0.02 44.20 01:25:01 PM 3 51.42 0.00 1.41 0.69 0.03 46.45 01:26:01 PM all 16.45 0.00 0.71 0.20 0.01 82.62 01:26:01 PM 0 10.78 0.00 0.95 0.32 0.02 87.94 01:26:01 PM 1 21.50 0.00 0.33 0.00 0.00 78.17 01:26:01 PM 2 13.99 0.00 0.87 0.42 0.02 84.71 01:26:01 PM 3 19.54 0.00 0.70 0.08 0.02 79.66 Average: all 28.90 0.00 1.87 0.94 0.02 68.26 Average: 0 22.22 0.00 2.07 1.07 0.02 74.61 Average: 1 31.94 0.00 2.18 0.94 0.03 64.92 Average: 2 31.98 0.00 1.89 0.98 0.02 65.13 Average: 3 29.47 0.00 1.35 0.77 0.02 68.39