---> uname -a: Linux prd-centos8-docker-4c-4g-3797.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 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 779 12077 20 2903 14643 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:1a:cd:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.132/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe1a:cd9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5b:89:c1:56 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) 09/21/2026 _x86_64_ (4 CPU) 09:00:19 LINUX RESTART (4 CPU) 09:01:01 AM tps rtps wtps bread/s bwrtn/s 09:02:01 AM 152.62 15.36 137.26 3254.37 11081.04 09:03:01 AM 217.07 6.26 210.81 1055.92 17511.36 09:04:01 AM 27.56 0.50 27.06 17.06 1395.13 Average: 132.44 7.37 125.07 1442.57 9997.63 09:01:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:02:01 AM 12839176 14917952 3300140 20.45 2688 2287100 1366676 7.95 157596 2750648 236784 09:03:01 AM 11399292 13774608 4740024 29.37 2688 2576948 2327288 13.54 254424 4055188 31516 09:04:01 AM 12400064 15018968 3739252 23.17 2688 2819556 1143756 6.65 349616 2963048 242624 Average: 12212844 14570509 3926472 24.33 2688 2561201 1612573 9.38 253879 3256295 170308 09:01:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:02:01 AM eth0 152.04 98.95 1921.54 25.63 0.00 0.00 0.00 0.00 09:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 AM lo 9.61 9.61 3.11 3.11 0.00 0.00 0.00 0.00 09:03:01 AM eth0 392.34 277.02 4035.13 63.09 0.00 0.00 0.00 0.00 09:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:01 AM lo 19.40 19.40 2.97 2.97 0.00 0.00 0.00 0.00 09:04:01 AM eth0 67.17 53.29 272.38 35.23 0.00 0.00 0.00 0.00 09:04:01 AM 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 203.89 143.11 2076.77 41.32 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) 09/21/2026 _x86_64_ (4 CPU) 09:00:19 LINUX RESTART (4 CPU) 09:01:01 AM CPU %user %nice %system %iowait %steal %idle 09:02:01 AM all 22.58 0.00 2.28 0.86 0.03 74.26 09:02:01 AM 0 15.13 0.00 1.75 0.77 0.02 82.34 09:02:01 AM 1 17.77 0.00 1.99 0.79 0.02 79.43 09:02:01 AM 2 18.62 0.00 1.87 0.72 0.03 78.75 09:02:01 AM 3 38.81 0.00 3.49 1.15 0.03 56.52 09:03:01 AM all 53.93 0.00 2.59 2.93 0.03 40.52 09:03:01 AM 0 48.17 0.00 3.13 2.49 0.03 46.18 09:03:01 AM 1 53.17 0.00 3.15 3.77 0.03 39.88 09:03:01 AM 2 62.88 0.00 1.27 1.39 0.03 34.44 09:03:01 AM 3 51.50 0.00 2.83 4.07 0.02 41.58 09:04:01 AM all 12.80 0.00 1.07 0.17 0.02 85.95 09:04:01 AM 0 12.41 0.00 0.77 0.07 0.02 86.74 09:04:01 AM 1 15.68 0.00 1.14 0.07 0.02 83.10 09:04:01 AM 2 11.95 0.00 1.10 0.12 0.02 86.81 09:04:01 AM 3 11.14 0.00 1.27 0.43 0.02 87.14 Average: all 29.76 0.00 1.98 1.32 0.02 66.92 Average: 0 25.22 0.00 1.88 1.11 0.02 71.77 Average: 1 28.86 0.00 2.09 1.54 0.02 67.48 Average: 2 31.16 0.00 1.41 0.74 0.03 66.65 Average: 3 33.81 0.00 2.53 1.88 0.02 61.76