---> uname -a: Linux prd-centos8-docker-4c-4g-4.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 765 12087 19 2907 14658 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:6e:19:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.240/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe6e:194c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:5f:1a:da 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) 08/03/2026 _x86_64_ (4 CPU) 11:13:30 LINUX RESTART (4 CPU) 11:14:01 AM tps rtps wtps bread/s bwrtn/s 11:15:01 AM 138.70 15.29 123.41 3253.05 9802.23 11:16:01 AM 206.98 3.95 203.03 822.25 11131.01 11:17:01 AM 36.45 2.38 34.07 235.12 7805.35 11:18:01 AM 46.97 1.63 45.33 122.89 9519.41 Average: 107.28 5.81 101.47 1108.30 9564.63 11:14:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:15:01 AM 12907380 14984824 3231940 20.03 2688 2285412 1448880 8.43 158000 2687804 239260 11:16:01 AM 11809332 14179712 4329988 26.83 2688 2571284 2041788 11.88 223628 3685508 225800 11:17:01 AM 11290696 13671732 4848624 30.04 2688 2581608 2795004 16.26 256072 4165488 900 11:18:01 AM 12382752 15014944 3756568 23.28 2688 2830076 1161764 6.76 540504 2791352 8352 Average: 12097540 14462803 4041780 25.04 2688 2567095 1861859 10.83 294551 3332538 118578 11:14:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:15:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:15:01 AM eth0 125.24 84.16 1843.42 34.27 0.00 0.00 0.00 0.00 11:15:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:16:01 AM eth0 403.50 309.36 4125.95 49.46 0.00 0.00 0.00 0.00 11:16:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:17:01 AM lo 24.98 24.98 5.06 5.06 0.00 0.00 0.00 0.00 11:17:01 AM eth0 33.72 20.04 20.54 32.07 0.00 0.00 0.00 0.00 11:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:18:01 AM lo 4.35 4.35 1.05 1.05 0.00 0.00 0.00 0.00 11:18:01 AM eth0 89.34 88.30 285.32 932.85 0.00 0.00 0.00 0.00 11:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.33 7.33 1.53 1.53 0.00 0.00 0.00 0.00 Average: eth0 162.97 125.48 1569.02 262.15 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) 08/03/2026 _x86_64_ (4 CPU) 11:13:30 LINUX RESTART (4 CPU) 11:14:01 AM CPU %user %nice %system %iowait %steal %idle 11:15:01 AM all 20.92 0.00 2.04 1.02 0.07 75.95 11:15:01 AM 0 19.68 0.00 1.72 1.50 0.07 77.03 11:15:01 AM 1 37.33 0.00 3.63 0.90 0.08 58.05 11:15:01 AM 2 12.37 0.00 1.39 0.97 0.07 85.20 11:15:01 AM 3 14.30 0.00 1.44 0.69 0.07 83.51 11:16:01 AM all 30.83 0.00 2.27 1.07 0.10 65.72 11:16:01 AM 0 29.55 0.00 2.42 1.07 0.12 66.84 11:16:01 AM 1 31.70 0.00 1.72 0.87 0.10 65.61 11:16:01 AM 2 31.55 0.00 1.67 0.49 0.08 66.21 11:16:01 AM 3 30.51 0.00 3.28 1.87 0.10 64.23 11:17:01 AM all 34.24 0.00 0.88 0.22 0.08 64.59 11:17:01 AM 0 37.31 0.00 0.90 0.08 0.07 61.63 11:17:01 AM 1 20.52 0.00 1.10 0.70 0.08 77.59 11:17:01 AM 2 37.92 0.00 0.87 0.07 0.08 61.07 11:17:01 AM 3 41.18 0.00 0.67 0.02 0.07 58.07 11:18:01 AM all 23.17 0.00 2.02 0.36 0.08 74.36 11:18:01 AM 0 14.05 0.00 1.77 0.23 0.08 83.86 11:18:01 AM 1 30.22 0.00 2.34 0.22 0.08 67.14 11:18:01 AM 2 40.48 0.00 2.64 0.78 0.08 56.01 11:18:01 AM 3 7.90 0.00 1.34 0.22 0.08 90.46 Average: all 27.29 0.00 1.81 0.67 0.08 70.15 Average: 0 25.15 0.00 1.70 0.72 0.08 72.34 Average: 1 29.94 0.00 2.20 0.67 0.09 67.10 Average: 2 30.59 0.00 1.64 0.58 0.08 67.11 Average: 3 23.48 0.00 1.68 0.70 0.08 74.06