---> uname -a: Linux prd-centos8-docker-4c-4g-1134.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 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 755 12211 20 2793 14665 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:c8:44:da brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.180/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86032sec preferred_lft 86032sec inet6 fe80::f816:3eff:fec8:44da/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9f:4b:f7:57 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) 10/13/2026 _x86_64_ (4 CPU) 07:31:57 LINUX RESTART (4 CPU) 07:33:01 AM tps rtps wtps bread/s bwrtn/s 07:34:01 AM 223.58 20.26 203.32 4125.96 14027.06 07:35:01 AM 104.83 1.70 103.13 102.65 8374.27 07:36:01 AM 21.50 0.00 21.50 0.00 6505.95 07:37:01 AM 3.03 1.82 1.22 53.58 234.42 07:38:01 AM 21.10 1.55 19.55 142.24 1188.55 Average: 74.81 5.07 69.74 884.97 6066.12 07:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:34:01 AM 12160916 14393088 3978400 24.65 2688 2436020 1704024 9.91 208560 3351208 179104 07:35:01 AM 10726252 13194068 5413064 33.54 2688 2667556 2728644 15.88 262012 4718736 187420 07:36:01 AM 9905180 12379312 6234136 38.63 2688 2673688 3390440 19.73 264020 5533340 2444 07:37:01 AM 8801676 11283440 7337640 45.46 2688 2681116 4467088 25.99 266988 6630884 1952 07:38:01 AM 12531128 15043436 3608188 22.36 2688 2709640 1126124 6.55 474816 2700416 26812 Average: 10825030 13258669 5314286 32.93 2688 2633604 2683264 15.61 295279 4586917 79546 07:33:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:34:01 AM eth0 227.57 184.86 2460.54 38.87 0.00 0.00 0.00 0.00 07:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:35:01 AM eth0 254.76 194.13 3421.39 40.52 0.00 0.00 0.00 0.00 07:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:36:01 AM eth0 174.12 103.95 95.63 94.30 0.00 0.00 0.00 0.00 07:36:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:37:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:37:01 AM eth0 310.38 172.21 126.35 104.67 0.00 0.00 0.00 0.00 07:37:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:38:01 AM lo 6.57 6.57 0.80 0.80 0.00 0.00 0.00 0.00 07:38:01 AM eth0 31.11 24.70 55.00 21.32 0.00 0.00 0.00 0.00 07:38:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 199.59 135.97 1231.79 59.94 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) 10/13/2026 _x86_64_ (4 CPU) 07:31:57 LINUX RESTART (4 CPU) 07:33:01 AM CPU %user %nice %system %iowait %steal %idle 07:34:01 AM all 33.61 0.00 2.43 1.31 0.03 62.63 07:34:01 AM 0 30.66 0.00 2.44 0.80 0.03 66.06 07:34:01 AM 1 41.28 0.00 2.89 1.35 0.02 54.46 07:34:01 AM 2 28.75 0.00 2.19 1.51 0.02 67.53 07:34:01 AM 3 33.74 0.00 2.20 1.56 0.03 62.48 07:35:01 AM all 63.03 0.00 1.89 0.56 0.04 34.49 07:35:01 AM 0 60.95 0.00 2.14 0.32 0.03 36.57 07:35:01 AM 1 62.19 0.00 2.26 0.85 0.05 34.65 07:35:01 AM 2 68.93 0.00 1.27 0.70 0.03 29.07 07:35:01 AM 3 60.05 0.00 1.91 0.35 0.03 37.66 07:36:01 AM all 41.17 0.00 1.40 0.15 0.03 57.26 07:36:01 AM 0 26.86 0.00 1.55 0.35 0.03 71.20 07:36:01 AM 1 43.54 0.00 1.25 0.07 0.02 55.12 07:36:01 AM 2 41.63 0.00 1.24 0.15 0.02 56.96 07:36:01 AM 3 52.64 0.00 1.55 0.02 0.03 45.76 07:37:01 AM all 24.69 0.00 1.36 0.03 0.02 73.91 07:37:01 AM 0 17.89 0.00 1.24 0.00 0.02 80.85 07:37:01 AM 1 41.17 0.00 1.55 0.08 0.03 57.16 07:37:01 AM 2 19.06 0.00 1.52 0.02 0.02 79.38 07:37:01 AM 3 20.62 0.00 1.12 0.00 0.02 78.25 07:38:01 AM all 45.32 0.00 1.97 0.10 0.03 52.58 07:38:01 AM 0 47.09 0.00 2.21 0.02 0.03 50.65 07:38:01 AM 1 48.74 0.00 2.86 0.18 0.03 48.19 07:38:01 AM 2 48.27 0.00 1.82 0.13 0.03 49.74 07:38:01 AM 3 37.16 0.00 0.99 0.07 0.03 61.75 Average: all 41.57 0.00 1.81 0.43 0.03 56.17 Average: 0 36.70 0.00 1.91 0.30 0.03 61.06 Average: 1 47.38 0.00 2.16 0.51 0.03 49.92 Average: 2 41.34 0.00 1.61 0.50 0.02 56.53 Average: 3 40.85 0.00 1.55 0.40 0.03 57.17