---> uname -a: Linux prd-centos8-docker-4c-4g-6657.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1557 10314 20 3889 13861 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:9b:70:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.170/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85982sec preferred_lft 85982sec inet6 fe80::f816:3eff:fe9b:70ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c8:cb:d8:b2 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) 10/03/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 144.69 14.90 129.80 3131.74 9954.74 12:35:01 AM 209.53 7.40 202.13 1040.59 49451.40 12:36:01 AM 51.24 0.00 51.24 0.00 7947.78 12:37:01 AM 3.67 0.00 3.67 0.00 251.89 12:38:01 AM 21.97 2.82 19.16 164.58 503.38 12:39:01 AM 20.78 3.03 17.74 129.42 2380.99 Average: 75.31 4.69 70.62 744.35 11748.53 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 11893932 14915820 4245384 26.30 2688 3228632 1292680 7.52 183128 3664316 1157068 12:35:01 AM 10999660 14368988 5139656 31.85 2688 3569276 1673852 9.74 287500 4421600 39388 12:36:01 AM 8285356 11843144 7853960 48.66 2688 3755912 4415512 25.69 315428 7096604 2936 12:37:01 AM 7919380 11481468 8219936 50.93 2688 3760084 4431312 25.78 315440 7461612 1964 12:38:01 AM 10183516 13787960 5955800 36.90 2688 3801068 2237708 13.02 333584 5180176 31968 12:39:01 AM 10549760 14182976 5589556 34.63 2688 3828720 1870828 10.88 585560 4563228 25032 Average: 9971934 13430059 6167382 38.21 2688 3657282 2653649 15.44 336773 5397923 209726 12:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:34:01 AM eth0 697.87 332.09 17223.14 33.70 0.00 0.00 0.00 0.00 12:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:35:01 AM eth0 313.66 243.59 4746.73 36.57 0.00 0.00 0.00 0.00 12:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:36:01 AM eth0 201.87 147.04 2913.03 36.21 0.00 0.00 0.00 0.00 12:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:37:01 AM eth0 212.85 158.06 73.41 77.51 0.00 0.00 0.00 0.00 12:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM lo 6.86 6.86 0.83 0.83 0.00 0.00 0.00 0.00 12:38:01 AM eth0 53.21 46.56 300.59 17.65 0.00 0.00 0.00 0.00 12:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:39:01 AM eth0 196.63 121.73 376.85 204.54 0.00 0.00 0.00 0.00 12:39:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 279.33 174.84 4271.97 67.70 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) 10/03/2026 _x86_64_ (4 CPU) 00:32:22 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 22.27 0.00 2.29 0.73 0.03 74.69 12:34:01 AM 0 28.19 0.00 3.25 0.53 0.03 67.99 12:34:01 AM 1 23.98 0.00 2.26 1.46 0.02 72.29 12:34:01 AM 2 10.88 0.00 1.04 0.32 0.02 87.74 12:34:01 AM 3 25.96 0.00 2.59 0.60 0.03 70.81 12:35:01 AM all 49.68 0.00 2.30 1.72 0.04 46.26 12:35:01 AM 0 43.99 0.00 2.56 2.91 0.03 50.51 12:35:01 AM 1 55.33 0.00 1.92 1.49 0.03 41.22 12:35:01 AM 2 49.96 0.00 2.23 1.31 0.03 46.48 12:35:01 AM 3 49.46 0.00 2.48 1.17 0.05 46.84 12:36:01 AM all 61.87 0.00 1.65 0.23 0.04 36.21 12:36:01 AM 0 74.80 0.00 1.34 0.12 0.03 23.71 12:36:01 AM 1 62.83 0.00 1.34 0.03 0.05 35.75 12:36:01 AM 2 43.91 0.00 2.01 0.60 0.03 53.45 12:36:01 AM 3 65.92 0.00 1.90 0.18 0.03 31.96 12:37:01 AM all 13.98 0.00 1.94 0.02 0.00 84.06 12:37:01 AM 0 15.01 0.00 1.71 0.02 0.00 83.27 12:37:01 AM 1 14.81 0.00 1.55 0.02 0.00 83.62 12:37:01 AM 2 12.82 0.00 2.19 0.02 0.00 84.97 12:37:01 AM 3 13.26 0.00 2.31 0.03 0.00 84.40 12:38:01 AM all 53.53 0.00 1.46 0.11 0.02 44.88 12:38:01 AM 0 54.98 0.00 2.17 0.08 0.02 42.75 12:38:01 AM 1 51.89 0.00 0.88 0.02 0.02 47.20 12:38:01 AM 2 48.04 0.00 0.70 0.02 0.02 51.23 12:38:01 AM 3 59.22 0.00 2.07 0.32 0.03 38.36 12:39:01 AM all 39.00 0.00 1.79 0.11 0.02 59.09 12:39:01 AM 0 37.53 0.00 2.05 0.00 0.03 60.38 12:39:01 AM 1 41.11 0.00 1.39 0.02 0.02 57.47 12:39:01 AM 2 20.57 0.00 1.67 0.40 0.00 77.36 12:39:01 AM 3 56.78 0.00 2.04 0.02 0.02 41.14 Average: all 40.06 0.00 1.90 0.49 0.02 57.53 Average: 0 42.42 0.00 2.18 0.61 0.03 54.76 Average: 1 41.66 0.00 1.56 0.50 0.02 56.25 Average: 2 31.04 0.00 1.64 0.44 0.02 66.86 Average: 3 45.11 0.00 2.23 0.39 0.03 52.25