---> uname -a: Linux prd-centos8-docker-4c-4g-6707.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 1592 10201 20 3967 13826 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:b4:a4:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.253/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85898sec preferred_lft 85898sec inet6 fe80::f816:3eff:feb4:a45f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:96:bc:57:11 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) 10/31/2026 _x86_64_ (4 CPU) 00:32:42 LINUX RESTART (4 CPU) 12:34:01 AM tps rtps wtps bread/s bwrtn/s 12:35:01 AM 62.86 0.20 62.66 30.00 5033.19 12:36:01 AM 155.45 18.83 136.62 3464.18 12664.45 12:37:01 AM 159.80 3.18 156.61 767.48 45468.79 12:38:01 AM 31.91 0.00 31.91 0.00 7778.45 12:39:01 AM 3.30 0.00 3.30 0.00 247.21 12:40:01 AM 25.01 5.13 19.88 194.74 833.72 12:41:01 AM 16.54 0.43 16.11 56.25 1739.89 Average: 64.98 3.97 61.01 644.71 10538.40 12:34:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:35:01 AM 13320456 15125764 2818860 17.47 2688 2021212 1069400 6.22 146600 2315420 170052 12:36:01 AM 11522064 14836460 4617252 28.61 2688 3518368 1267212 7.37 189068 4021228 1256104 12:37:01 AM 10152248 13786200 5987068 37.10 2688 3831664 2509628 14.60 301892 5249748 220748 12:38:01 AM 8226036 11865668 7913280 49.03 2688 3837088 4000292 23.27 319012 7153092 3884 12:39:01 AM 8388132 12032360 7751184 48.03 2688 3841496 3807188 22.15 319188 6991164 2840 12:40:01 AM 11317220 15016112 4822096 29.88 2688 3894564 1067364 6.21 344564 4040404 37636 12:41:01 AM 10488716 14200772 5650600 35.01 2688 3906868 1884964 10.97 598376 4612180 25800 Average: 10487839 13837619 5651477 35.02 2688 3550180 2229435 12.97 316957 4911891 245295 12:34:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 70.92 47.49 904.91 6.48 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 1002.87 442.52 20913.35 45.56 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 343.69 261.40 4393.33 33.62 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:38:01 AM eth0 79.07 50.76 38.52 50.11 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 169.14 104.87 51.25 53.04 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 12:40:01 AM lo 6.48 6.48 0.80 0.80 0.00 0.00 0.00 0.00 12:40:01 AM eth0 168.03 130.62 608.12 47.93 0.00 0.00 0.00 0.00 12:40:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:41:01 AM eth0 93.99 56.26 68.83 171.76 0.00 0.00 0.00 0.00 12:41:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 275.40 156.28 3854.30 58.36 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) 10/31/2026 _x86_64_ (4 CPU) 00:32:42 LINUX RESTART (4 CPU) 12:34:01 AM CPU %user %nice %system %iowait %steal %idle 12:35:01 AM all 9.04 0.00 0.90 0.27 0.01 89.77 12:35:01 AM 0 0.15 0.00 0.43 0.20 0.02 99.20 12:35:01 AM 1 25.74 0.00 2.15 0.52 0.03 71.55 12:35:01 AM 2 7.43 0.00 0.73 0.33 0.00 91.50 12:35:01 AM 3 2.84 0.00 0.28 0.03 0.00 96.84 12:36:01 AM all 17.89 0.00 1.88 0.95 0.00 79.27 12:36:01 AM 0 15.42 0.00 2.37 1.03 0.00 81.17 12:36:01 AM 1 24.36 0.00 1.44 0.57 0.02 73.62 12:36:01 AM 2 22.55 0.00 2.07 0.80 0.00 74.58 12:36:01 AM 3 9.20 0.00 1.62 1.41 0.00 87.77 12:37:01 AM all 51.63 0.00 2.10 1.23 0.02 45.02 12:37:01 AM 0 46.94 0.00 3.27 2.26 0.02 47.51 12:37:01 AM 1 51.52 0.00 2.56 1.29 0.00 44.63 12:37:01 AM 2 57.69 0.00 1.07 0.62 0.03 40.59 12:37:01 AM 3 50.36 0.00 1.52 0.75 0.02 47.35 12:38:01 AM all 55.26 0.00 1.55 0.19 0.03 42.97 12:38:01 AM 0 60.76 0.00 0.87 0.00 0.03 38.34 12:38:01 AM 1 51.40 0.00 1.97 0.47 0.03 46.12 12:38:01 AM 2 50.93 0.00 1.22 0.25 0.02 47.59 12:38:01 AM 3 57.96 0.00 2.16 0.03 0.03 39.82 12:39:01 AM all 15.72 0.00 1.37 0.02 0.02 82.88 12:39:01 AM 0 9.12 0.00 1.49 0.00 0.02 89.37 12:39:01 AM 1 29.26 0.00 1.15 0.03 0.03 69.52 12:39:01 AM 2 15.81 0.00 1.05 0.00 0.02 83.12 12:39:01 AM 3 8.65 0.00 1.77 0.03 0.00 89.54 12:40:01 AM all 54.49 0.00 1.88 0.15 0.04 43.44 12:40:01 AM 0 51.83 0.00 1.72 0.03 0.03 46.38 12:40:01 AM 1 60.60 0.00 1.72 0.00 0.07 37.61 12:40:01 AM 2 52.49 0.00 1.70 0.27 0.02 45.52 12:40:01 AM 3 53.06 0.00 2.36 0.30 0.03 44.25 12:41:01 AM all 30.12 0.00 1.44 0.09 0.02 68.33 12:41:01 AM 0 24.39 0.00 0.62 0.00 0.02 74.98 12:41:01 AM 1 34.82 0.00 1.79 0.07 0.02 63.31 12:41:01 AM 2 33.60 0.00 2.02 0.27 0.03 64.08 12:41:01 AM 3 27.67 0.00 1.34 0.03 0.02 70.94 Average: all 33.45 0.00 1.59 0.41 0.02 64.53 Average: 0 29.79 0.00 1.54 0.50 0.02 68.15 Average: 1 39.67 0.00 1.83 0.42 0.03 58.06 Average: 2 34.35 0.00 1.41 0.36 0.02 63.86 Average: 3 29.98 0.00 1.58 0.37 0.01 68.06