---> uname -a: Linux prd-centos8-docker-4c-4g-9635.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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: 2799.996 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 802 12132 19 2828 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:79:f8:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.223/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86137sec preferred_lft 86137sec inet6 fe80::f816:3eff:fe79:f8c3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:19:94:17:a8 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/11/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 173.64 15.35 158.29 3254.92 9360.22 01:25:01 PM 196.48 6.16 190.32 1054.85 16305.18 01:26:01 PM 24.33 0.47 23.86 11.86 654.78 Average: 131.48 7.33 124.15 1440.44 8773.36 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12951700 14977972 3189832 19.76 2688 2235000 1283744 7.47 185688 2620820 206468 01:25:01 PM 11618652 13919424 4522880 28.02 2688 2504012 2235984 13.01 250424 3855436 11960 01:26:01 PM 12505788 15046596 3635744 22.52 2688 2742832 1122748 6.53 347640 2873968 238964 Average: 12358713 14647997 3782819 23.44 2688 2493948 1547492 9.00 261251 3116741 152464 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 186.20 140.34 1963.14 29.36 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 7.65 7.65 0.81 0.81 0.00 0.00 0.00 0.00 01:25:01 PM eth0 403.63 286.72 3767.53 51.21 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 21.49 21.49 5.29 5.29 0.00 0.00 0.00 0.00 01:26:01 PM eth0 55.11 43.89 267.58 23.94 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 9.71 9.71 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 214.98 156.98 1999.42 34.84 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 05/11/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.56 0.00 2.39 0.89 0.10 72.06 01:24:01 PM 0 40.28 0.00 3.90 1.67 0.10 54.05 01:24:01 PM 1 11.37 0.00 1.52 0.59 0.10 86.42 01:24:01 PM 2 20.94 0.00 2.20 0.87 0.08 75.91 01:24:01 PM 3 25.63 0.00 1.94 0.43 0.10 71.90 01:25:01 PM all 48.63 0.00 2.10 1.32 0.17 47.79 01:25:01 PM 0 44.15 0.00 2.76 1.82 0.17 51.10 01:25:01 PM 1 35.66 0.00 2.03 1.48 0.14 60.69 01:25:01 PM 2 58.01 0.00 2.23 1.10 0.14 38.52 01:25:01 PM 3 56.57 0.00 1.38 0.87 0.23 40.95 01:26:01 PM all 15.90 0.00 0.95 0.12 0.07 82.96 01:26:01 PM 0 16.10 0.00 0.79 0.18 0.08 82.85 01:26:01 PM 1 16.75 0.00 0.87 0.00 0.08 82.29 01:26:01 PM 2 14.27 0.00 0.84 0.03 0.07 84.80 01:26:01 PM 3 16.48 0.00 1.32 0.27 0.05 81.88 Average: all 29.64 0.00 1.81 0.78 0.11 67.66 Average: 0 33.51 0.00 2.48 1.23 0.12 62.67 Average: 1 21.18 0.00 1.47 0.68 0.11 76.56 Average: 2 30.93 0.00 1.75 0.67 0.10 66.56 Average: 3 32.90 0.00 1.55 0.52 0.13 64.90