---> uname -a: Linux prd-centos8-docker-4c-4g-16250.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 1567 10389 20 3804 13851 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:60:7c:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.226/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85982sec preferred_lft 85982sec inet6 fe80::f816:3eff:fe60:7cbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:e7:3a:e6 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) 08/29/2026 _x86_64_ (4 CPU) 00:32:34 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 215.00 17.74 197.25 3727.56 7470.93 12:35:01 AM 208.05 20.43 187.62 4131.18 18122.28 12:36:01 AM 120.91 1.72 119.19 102.77 37485.50 12:37:01 AM 17.68 0.00 17.68 0.00 4846.38 12:38:01 AM 6.21 2.73 3.48 134.07 340.01 12:39:01 AM 25.03 2.33 22.70 58.26 1562.91 Average: 98.81 7.49 91.32 1358.93 11637.98 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13296692 15098240 2842624 17.61 2688 2017060 1111608 6.47 146440 2336208 178724 12:35:01 AM 11007012 14241752 5132304 31.80 2688 3437064 1903616 11.08 217544 4494396 994712 12:36:01 AM 9333376 12806160 6805940 42.17 2688 3671004 3452228 20.09 311316 6053240 134620 12:37:01 AM 8295736 11773604 7843580 48.60 2688 3675912 4170420 24.26 311652 7088840 1864 12:38:01 AM 6862968 10351744 9276348 57.48 2688 3686492 5466920 31.81 322220 8505368 48 12:39:01 AM 10714804 14258416 5424512 33.61 2688 3740148 1748952 10.18 407196 4579040 16492 Average: 9918431 13088319 6220885 38.54 2688 3371280 2975624 17.31 286061 5509515 221077 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 294.57 196.10 1886.90 67.49 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 725.13 427.81 19165.85 50.99 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 202.28 173.56 3484.17 28.40 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 167.62 132.44 73.16 80.95 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 3.70 3.70 0.40 0.40 0.00 0.00 0.00 0.00 12:38:01 AM eth0 74.18 49.83 31.81 34.80 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 2.97 2.97 0.41 0.41 0.00 0.00 0.00 0.00 12:39:01 AM eth0 238.04 151.59 629.65 217.71 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 283.62 188.55 4211.61 80.05 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) 08/29/2026 _x86_64_ (4 CPU) 00:32:34 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 20.37 0.00 2.50 1.16 0.01 75.96 12:34:01 AM 0 12.80 0.00 2.26 0.22 0.02 84.70 12:34:01 AM 1 36.10 0.00 3.44 1.29 0.02 59.15 12:34:01 AM 2 14.79 0.00 1.21 0.23 0.00 83.77 12:34:01 AM 3 17.76 0.00 3.09 2.90 0.00 76.25 12:35:01 AM all 34.92 0.00 2.42 1.23 0.02 61.41 12:35:01 AM 0 31.63 0.00 2.15 1.59 0.02 64.61 12:35:01 AM 1 34.52 0.00 1.60 0.90 0.02 62.96 12:35:01 AM 2 28.99 0.00 1.86 1.26 0.02 67.87 12:35:01 AM 3 44.54 0.00 4.05 1.19 0.02 50.20 12:36:01 AM all 63.70 0.00 1.81 0.92 0.03 33.55 12:36:01 AM 0 69.27 0.00 1.17 0.48 0.03 29.04 12:36:01 AM 1 61.86 0.00 2.07 0.75 0.02 35.30 12:36:01 AM 2 61.93 0.00 1.97 1.12 0.03 34.94 12:36:01 AM 3 61.72 0.00 2.02 1.32 0.02 34.92 12:37:01 AM all 27.56 0.00 1.69 0.10 0.01 70.64 12:37:01 AM 0 23.23 0.00 1.79 0.05 0.00 74.93 12:37:01 AM 1 23.82 0.00 2.09 0.07 0.00 74.02 12:37:01 AM 2 35.29 0.00 1.14 0.25 0.03 63.29 12:37:01 AM 3 27.90 0.00 1.74 0.03 0.00 70.33 12:38:01 AM all 33.68 0.00 1.29 0.03 0.02 64.99 12:38:01 AM 0 43.24 0.00 1.50 0.00 0.02 55.24 12:38:01 AM 1 30.11 0.00 1.19 0.00 0.02 68.69 12:38:01 AM 2 27.88 0.00 0.84 0.00 0.00 71.29 12:38:01 AM 3 33.47 0.00 1.64 0.10 0.03 64.76 12:39:01 AM all 48.26 0.00 1.55 0.37 0.03 49.79 12:39:01 AM 0 51.55 0.00 0.58 0.00 0.03 47.83 12:39:01 AM 1 47.53 0.00 1.96 0.02 0.02 50.48 12:39:01 AM 2 58.83 0.00 1.49 0.08 0.05 39.55 12:39:01 AM 3 35.12 0.00 2.19 1.37 0.02 61.30 Average: all 38.09 0.00 1.87 0.63 0.02 59.38 Average: 0 38.65 0.00 1.57 0.39 0.02 59.37 Average: 1 38.99 0.00 2.06 0.50 0.01 58.43 Average: 2 37.96 0.00 1.42 0.49 0.02 60.11 Average: 3 36.76 0.00 2.45 1.15 0.01 59.62