---> uname -a: Linux prd-centos8-docker-4c-4g-16875.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 815 12046 20 2899 14607 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:42:1b:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.47/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe42:1bd1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b3:31:fb:39 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) 08/31/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 171.42 15.01 156.41 3146.14 10267.49 01:25:01 PM 200.28 6.32 193.97 1081.55 17683.77 01:26:01 PM 26.61 0.47 26.15 16.13 634.36 Average: 132.77 7.27 125.51 1414.61 9528.54 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12804312 14898040 3335004 20.66 2688 2301016 1474292 8.58 186132 2753616 238764 01:25:01 PM 11350804 13721136 4788512 29.67 2688 2571960 2366436 13.77 254376 4104272 2372 01:26:01 PM 12401172 15019300 3738144 23.16 2688 2818056 1147236 6.67 350756 2961444 262128 Average: 12185429 14546159 3953887 24.50 2688 2563677 1662655 9.67 263755 3273111 167755 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 173.02 128.45 2020.84 27.88 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 12.28 12.28 3.48 3.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 353.26 244.16 3823.16 84.38 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 16.81 16.81 2.62 2.62 0.00 0.00 0.00 0.00 01:26:01 PM eth0 56.34 50.24 272.78 24.27 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 9.70 9.70 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 194.21 140.95 2038.93 45.51 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) 08/31/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 25.22 0.00 2.44 0.86 0.01 71.45 01:24:01 PM 0 19.94 0.00 2.45 0.45 0.00 77.16 01:24:01 PM 1 36.89 0.00 3.49 1.15 0.02 58.44 01:24:01 PM 2 19.02 0.00 1.56 0.80 0.02 78.60 01:24:01 PM 3 25.05 0.00 2.28 1.05 0.02 71.61 01:25:01 PM all 52.68 0.00 2.27 1.14 0.02 43.89 01:25:01 PM 0 62.91 0.00 1.54 1.00 0.03 34.52 01:25:01 PM 1 45.28 0.00 2.37 1.15 0.02 51.18 01:25:01 PM 2 56.91 0.00 2.46 1.15 0.02 39.46 01:25:01 PM 3 45.62 0.00 2.71 1.24 0.02 50.41 01:26:01 PM all 14.22 0.00 1.14 0.11 0.01 84.51 01:26:01 PM 0 10.27 0.00 0.85 0.05 0.02 88.81 01:26:01 PM 1 10.63 0.00 1.50 0.17 0.00 87.70 01:26:01 PM 2 21.76 0.00 1.20 0.10 0.02 76.92 01:26:01 PM 3 14.22 0.00 1.00 0.13 0.02 84.63 Average: all 30.70 0.00 1.95 0.70 0.02 66.63 Average: 0 31.03 0.00 1.61 0.50 0.02 66.84 Average: 1 30.93 0.00 2.46 0.82 0.01 65.78 Average: 2 32.56 0.00 1.74 0.69 0.02 65.00 Average: 3 28.28 0.00 2.00 0.81 0.02 68.90