---> uname -a: Linux prd-centos8-docker-4c-4g-616.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1428 10606 19 3726 13991 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:7a:f6:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.34/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85994sec preferred_lft 85994sec inet6 fe80::f816:3eff:fe7a:f6e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c3:6c:f0:51 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) 07/18/2026 _x86_64_ (4 CPU) 00:32:24 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 144.60 14.95 129.66 3235.85 9808.75 12:35:01 AM 225.23 7.50 217.73 1031.56 44242.18 12:36:01 AM 40.56 0.05 40.51 1.07 8040.03 12:37:01 AM 3.78 0.00 3.78 0.00 344.51 12:38:01 AM 22.68 5.35 17.33 207.66 403.30 12:39:01 AM 27.08 0.43 26.65 56.26 2152.52 Average: 77.32 4.71 72.61 755.45 10831.56 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 12887804 14996352 3251516 20.15 2688 2315540 1253756 7.29 182288 2676712 250476 12:35:01 AM 10762144 14145008 5377176 33.32 2688 3581232 1915816 11.15 279128 4667968 218324 12:36:01 AM 8321716 11718540 7817604 48.44 2688 3594064 4116376 23.95 306512 7071308 2900 12:37:01 AM 8253940 11655756 7885380 48.86 2688 3598896 4179948 24.32 306668 7138008 32 12:38:01 AM 11505184 14961488 4634136 28.71 2688 3651948 1082740 6.30 334804 3865632 47004 12:39:01 AM 10850184 14322076 5289136 32.77 2688 3666792 1721208 10.01 593704 4257408 30856 Average: 10430162 13633203 5709158 35.37 2688 3401412 2378307 13.84 333851 4946173 91599 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 145.83 99.88 1786.96 20.10 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 979.67 533.76 20316.58 57.98 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 50.74 36.28 20.86 32.51 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 266.51 169.42 78.73 78.87 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 6.68 6.68 0.81 0.81 0.00 0.00 0.00 0.00 12:38:01 AM eth0 216.16 141.82 617.82 62.98 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 86.14 43.84 36.34 169.81 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 1.11 1.11 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 290.84 170.83 3809.40 70.37 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) 07/18/2026 _x86_64_ (4 CPU) 00:32:24 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 20.27 0.00 1.90 0.82 0.09 76.92 12:34:01 AM 0 36.57 0.00 3.14 0.72 0.10 59.48 12:34:01 AM 1 13.39 0.00 1.34 0.48 0.08 84.71 12:34:01 AM 2 10.48 0.00 1.12 0.48 0.08 87.83 12:34:01 AM 3 20.64 0.00 2.01 1.59 0.08 75.69 12:35:01 AM all 49.28 0.00 2.37 1.55 0.10 46.69 12:35:01 AM 0 49.31 0.00 2.09 1.20 0.10 47.30 12:35:01 AM 1 51.03 0.00 1.98 2.38 0.12 44.50 12:35:01 AM 2 42.08 0.00 1.81 1.36 0.08 54.67 12:35:01 AM 3 54.69 0.00 3.62 1.27 0.10 40.32 12:36:01 AM all 62.40 0.00 1.36 0.26 0.09 35.89 12:36:01 AM 0 67.43 0.00 1.33 0.27 0.08 30.88 12:36:01 AM 1 44.34 0.00 1.41 0.70 0.08 53.46 12:36:01 AM 2 63.72 0.00 1.54 0.00 0.10 34.65 12:36:01 AM 3 74.04 0.00 1.15 0.08 0.10 24.62 12:37:01 AM all 13.78 0.00 1.24 0.03 0.07 84.89 12:37:01 AM 0 19.20 0.00 1.05 0.00 0.07 79.69 12:37:01 AM 1 9.42 0.00 1.40 0.02 0.07 89.09 12:37:01 AM 2 14.28 0.00 1.30 0.05 0.08 84.28 12:37:01 AM 3 12.22 0.00 1.18 0.03 0.07 86.50 12:38:01 AM all 57.04 0.00 1.77 0.11 0.09 41.00 12:38:01 AM 0 55.39 0.00 1.65 0.20 0.08 42.67 12:38:01 AM 1 57.67 0.00 1.85 0.07 0.10 40.31 12:38:01 AM 2 77.78 0.00 1.91 0.17 0.08 20.06 12:38:01 AM 3 37.29 0.00 1.66 0.00 0.08 60.97 12:39:01 AM all 29.15 0.00 1.16 0.14 0.07 69.47 12:39:01 AM 0 41.82 0.00 1.23 0.08 0.07 56.80 12:39:01 AM 1 21.32 0.00 0.84 0.35 0.08 77.41 12:39:01 AM 2 33.64 0.00 1.15 0.03 0.08 65.09 12:39:01 AM 3 19.81 0.00 1.44 0.10 0.05 78.60 Average: all 38.65 0.00 1.63 0.48 0.08 59.15 Average: 0 44.95 0.00 1.75 0.41 0.08 52.80 Average: 1 32.85 0.00 1.47 0.67 0.09 64.93 Average: 2 40.33 0.00 1.47 0.35 0.09 57.76 Average: 3 36.45 0.00 1.84 0.51 0.08 61.12