---> uname -a: Linux prd-centos8-docker-4c-4g-14398.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 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 796 12054 19 2909 14626 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:2f:78:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.220/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe2f:78c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:77:0c:f1:0e 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) 08/22/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 185.10 14.98 170.13 3116.69 10754.27 01:25:01 PM 180.49 6.32 174.17 1081.55 17140.09 01:26:01 PM 28.57 1.47 27.11 91.84 648.62 Average: 131.39 7.59 123.80 1430.05 9513.90 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12712344 14823300 3426976 21.23 2688 2316496 1388680 8.08 187500 2841480 230868 01:25:01 PM 11324752 13706876 4814568 29.83 2688 2582852 2408332 14.01 255112 4131276 2372 01:26:01 PM 12372312 15006376 3767008 23.34 2688 2832936 1180048 6.87 528384 2815232 263888 Average: 12136469 14512184 4002851 24.80 2688 2577428 1659020 9.65 323665 3262663 165709 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 167.04 124.81 2060.21 28.97 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 12.81 12.81 3.53 3.53 0.00 0.00 0.00 0.00 01:25:01 PM eth0 388.97 234.54 3742.64 49.26 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 16.19 16.19 2.56 2.56 0.00 0.00 0.00 0.00 01:26:01 PM eth0 82.17 91.17 277.01 934.33 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 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 212.72 150.17 2026.52 337.54 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) 08/22/2026 _x86_64_ (4 CPU) 13:22:22 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.11 0.00 2.45 1.06 0.08 70.30 01:24:01 PM 0 38.56 0.00 3.29 1.07 0.10 56.97 01:24:01 PM 1 21.12 0.00 1.92 0.72 0.08 76.16 01:24:01 PM 2 14.84 0.00 2.03 1.54 0.08 81.51 01:24:01 PM 3 29.89 0.00 2.56 0.92 0.07 66.57 01:25:01 PM all 53.06 0.00 1.95 0.91 0.10 43.99 01:25:01 PM 0 61.81 0.00 2.11 1.14 0.08 34.86 01:25:01 PM 1 60.55 0.00 1.24 0.43 0.08 37.69 01:25:01 PM 2 41.24 0.00 1.76 0.82 0.12 56.07 01:25:01 PM 3 48.60 0.00 2.71 1.24 0.10 47.35 01:26:01 PM all 17.50 0.00 1.47 0.14 0.08 80.82 01:26:01 PM 0 12.12 0.00 1.42 0.22 0.07 86.18 01:26:01 PM 1 14.98 0.00 0.79 0.00 0.08 84.15 01:26:01 PM 2 30.21 0.00 2.49 0.17 0.08 67.05 01:26:01 PM 3 12.68 0.00 1.17 0.18 0.08 85.88 Average: all 32.22 0.00 1.96 0.70 0.09 65.04 Average: 0 37.48 0.00 2.27 0.81 0.08 59.35 Average: 1 32.22 0.00 1.31 0.38 0.08 66.00 Average: 2 28.77 0.00 2.09 0.84 0.09 68.20 Average: 3 30.38 0.00 2.15 0.78 0.08 66.61