---> uname -a: Linux prd-centos8-docker-4c-4g-522.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 797 12046 19 2917 14625 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:58:30:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86130sec preferred_lft 86130sec inet6 fe80::f816:3eff:fe58:30f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:4d:5a:1a 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) 07/17/2026 _x86_64_ (4 CPU) 13:23:13 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 172.84 14.95 157.89 3220.40 10766.06 01:26:01 PM 187.27 6.25 181.02 1057.38 17595.98 01:27:01 PM 25.35 1.40 23.95 87.05 474.90 Average: 128.49 7.53 120.96 1454.92 9612.76 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12737148 14855588 3402164 21.08 2688 2324300 1379232 8.02 187248 2816896 238424 01:26:01 PM 11261780 13651944 4877532 30.22 2688 2591008 2439456 14.19 254940 4193068 2384 01:27:01 PM 12336312 14976132 3803000 23.56 2688 2838576 1225056 7.13 351228 3025868 263176 Average: 12111747 14494555 4027565 24.96 2688 2584628 1681248 9.78 264472 3345277 167995 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 164.17 119.95 2067.12 28.89 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 12.75 12.75 3.52 3.52 0.00 0.00 0.00 0.00 01:26:01 PM eth0 336.29 235.52 3745.25 53.21 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 18.36 18.36 2.77 2.77 0.00 0.00 0.00 0.00 01:27:01 PM eth0 77.02 58.92 277.30 26.81 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 10.37 10.37 2.10 2.10 0.00 0.00 0.00 0.00 Average: eth0 192.50 138.14 2029.99 36.30 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) 07/17/2026 _x86_64_ (4 CPU) 13:23:13 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 25.75 0.00 2.53 1.18 0.10 70.44 01:25:01 PM 0 20.11 0.00 1.72 1.20 0.08 76.88 01:25:01 PM 1 38.54 0.00 4.25 1.74 0.10 55.37 01:25:01 PM 2 14.61 0.00 1.54 0.69 0.10 83.07 01:25:01 PM 3 29.75 0.00 2.61 1.09 0.10 66.45 01:26:01 PM all 52.83 0.00 2.06 1.79 0.13 43.18 01:26:01 PM 0 61.21 0.00 1.35 2.35 0.15 34.94 01:26:01 PM 1 58.12 0.00 1.65 0.89 0.13 39.21 01:26:01 PM 2 35.73 0.00 3.25 2.95 0.13 57.94 01:26:01 PM 3 56.23 0.00 1.99 0.99 0.12 40.68 01:27:01 PM all 15.75 0.00 1.21 0.51 0.06 82.47 01:27:01 PM 0 21.44 0.00 0.84 0.23 0.05 77.44 01:27:01 PM 1 17.50 0.00 1.19 1.15 0.05 80.12 01:27:01 PM 2 13.09 0.00 1.14 0.28 0.07 85.43 01:27:01 PM 3 10.96 0.00 1.69 0.37 0.07 86.92 Average: all 31.44 0.00 1.93 1.16 0.10 65.37 Average: 0 34.25 0.00 1.30 1.26 0.09 63.09 Average: 1 38.05 0.00 2.36 1.26 0.09 58.24 Average: 2 21.13 0.00 1.98 1.31 0.10 75.49 Average: 3 32.31 0.00 2.10 0.81 0.09 64.69