---> uname -a: Linux prd-centos8-docker-4c-4g-3361.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 1024 10821 20 3914 14386 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:3c:b8:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.98/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85908sec preferred_lft 85908sec inet6 fe80::f816:3eff:fe3c:b877/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ff:c1:db:e3 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 inet6 fe80::42:ffff:fec1:dbe3/64 scope link 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) 10/19/2026 _x86_64_ (4 CPU) 12:25:03 LINUX RESTART (4 CPU) 12:26:01 PM tps rtps wtps bread/s bwrtn/s 12:27:01 PM 59.66 0.48 59.18 36.52 5569.31 12:28:01 PM 141.35 4.83 136.52 444.79 11574.83 12:29:01 PM 136.05 1.27 134.79 329.76 10277.56 12:30:01 PM 16.04 0.47 15.58 398.67 2013.90 12:31:01 PM 89.47 1.47 88.00 60.11 16828.99 12:32:01 PM 1215.21 74.53 1140.68 1427.15 31870.86 12:33:01 PM 86.70 44.39 42.32 764.95 1858.53 Average: 249.24 18.21 231.03 494.59 11428.20 12:26:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:27:01 PM 13394808 15133808 2744508 17.01 2688 1956404 1096672 6.38 138632 2251660 136704 12:28:01 PM 12745920 14776964 3393396 21.03 2688 2237664 1524540 8.87 159280 2833688 117216 12:29:01 PM 11672440 13870620 4466876 27.68 2688 2401164 2286108 13.30 206928 3839536 584 12:30:01 PM 11508612 13812468 4630704 28.69 2688 2501960 2663752 15.50 208500 3980496 38360 12:31:01 PM 11601516 14402992 4537800 28.12 2688 2989396 1701208 9.90 351916 3709296 54684 12:32:01 PM 10241148 13816784 5898168 36.55 2688 3566752 1864808 10.85 399660 4579320 6820 12:33:01 PM 11109060 14754704 5030256 31.17 2688 3631692 1192532 6.94 608480 3505656 54212 Average: 11753358 14366906 4385958 27.18 2688 2755005 1761374 10.25 296199 3528522 58369 12:26:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:27:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:27:01 PM eth0 59.05 38.15 939.37 7.17 0.00 0.00 0.00 0.00 12:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 135.27 109.10 1483.90 21.19 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 197.88 147.73 2408.78 20.36 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 12:30:01 PM eth0 30.79 19.64 561.08 2.63 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 12:30:01 PM vethf150523 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 12:31:01 PM lo 5.98 5.98 4.52 4.52 0.00 0.00 0.00 0.00 12:31:01 PM eth0 128.39 84.17 2373.55 14.91 0.00 0.00 0.00 0.00 12:31:01 PM docker0 3.30 2.93 4.08 0.43 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 132.15 99.58 1198.12 15.98 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:33:01 PM eth0 18.06 14.83 47.36 5.81 0.00 0.00 0.00 0.00 12:33:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.89 0.89 0.65 0.65 0.00 0.00 0.00 0.00 Average: eth0 100.23 73.32 1287.45 12.58 0.00 0.00 0.00 0.00 Average: docker0 0.50 0.46 0.58 0.07 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) 10/19/2026 _x86_64_ (4 CPU) 12:25:03 LINUX RESTART (4 CPU) 12:26:01 PM CPU %user %nice %system %iowait %steal %idle 12:27:01 PM all 10.20 0.00 0.99 0.34 0.01 88.47 12:27:01 PM 0 8.80 0.00 0.92 0.28 0.00 90.00 12:27:01 PM 1 12.16 0.00 1.40 0.45 0.02 85.97 12:27:01 PM 2 7.40 0.00 0.70 0.15 0.02 91.73 12:27:01 PM 3 12.44 0.00 0.92 0.47 0.02 86.16 12:28:01 PM all 17.38 0.00 1.57 0.73 0.00 80.32 12:28:01 PM 0 14.55 0.00 1.23 0.78 0.02 83.41 12:28:01 PM 1 16.30 0.00 1.10 0.37 0.00 82.23 12:28:01 PM 2 28.40 0.00 2.30 0.82 0.00 68.48 12:28:01 PM 3 10.27 0.00 1.62 0.95 0.00 87.16 12:29:01 PM all 20.92 0.00 1.17 0.68 0.02 77.21 12:29:01 PM 0 18.78 0.00 0.99 0.58 0.02 79.63 12:29:01 PM 1 21.30 0.00 1.39 1.10 0.02 76.20 12:29:01 PM 2 20.82 0.00 1.04 0.32 0.02 77.81 12:29:01 PM 3 22.79 0.00 1.29 0.72 0.02 75.19 12:30:01 PM all 1.72 0.00 0.62 0.39 0.00 97.27 12:30:01 PM 0 1.95 0.00 0.72 0.43 0.02 96.88 12:30:01 PM 1 1.57 0.00 0.52 0.28 0.00 97.62 12:30:01 PM 2 1.84 0.00 0.67 0.38 0.00 97.11 12:30:01 PM 3 1.52 0.00 0.57 0.45 0.00 97.46 12:31:01 PM all 23.87 0.09 2.40 0.53 0.02 73.10 12:31:01 PM 0 23.24 0.08 2.08 0.62 0.00 73.97 12:31:01 PM 1 25.88 0.07 2.38 0.70 0.03 70.94 12:31:01 PM 2 20.63 0.03 2.95 0.32 0.02 76.05 12:31:01 PM 3 25.70 0.17 2.19 0.47 0.02 71.45 12:32:01 PM all 21.59 0.00 8.94 6.98 0.01 62.47 12:32:01 PM 0 24.17 0.00 8.13 7.40 0.02 60.27 12:32:01 PM 1 12.96 0.00 7.30 5.69 0.02 74.04 12:32:01 PM 2 22.52 0.00 9.30 7.04 0.00 61.14 12:32:01 PM 3 26.72 0.00 11.03 7.79 0.02 54.45 12:33:01 PM all 40.07 0.00 2.03 0.54 0.01 57.35 12:33:01 PM 0 24.87 0.00 1.54 0.27 0.00 73.32 12:33:01 PM 1 69.27 0.00 3.01 0.75 0.03 26.94 12:33:01 PM 2 38.57 0.00 2.07 0.64 0.02 58.70 12:33:01 PM 3 27.53 0.00 1.49 0.50 0.00 70.48 Average: all 19.39 0.01 2.52 1.44 0.01 76.63 Average: 0 16.60 0.01 2.22 1.47 0.01 79.69 Average: 1 22.81 0.01 2.43 1.33 0.02 73.41 Average: 2 20.02 0.00 2.70 1.37 0.01 75.90 Average: 3 18.12 0.02 2.71 1.61 0.01 77.53