---> uname -a: Linux prd-centos8-docker-4c-4g-3237.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 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 770 12205 20 2785 14650 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:cd:15:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.210/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85971sec preferred_lft 85971sec inet6 fe80::f816:3eff:fecd:15d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:07:ff:53:99 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) 10/19/2026 _x86_64_ (4 CPU) 10:58:53 LINUX RESTART (4 CPU) 11:00:02 AM tps rtps wtps bread/s bwrtn/s 11:01:01 AM 65.30 0.36 64.94 33.21 5989.12 11:02:01 AM 186.49 19.07 167.42 3364.56 12906.81 11:03:01 AM 102.23 3.13 99.10 773.48 7141.29 11:04:01 AM 26.20 0.00 26.20 0.00 6720.66 11:05:01 AM 1.40 0.20 1.20 7.20 194.65 11:06:01 AM 22.56 3.17 19.39 216.46 1020.91 Average: 67.38 4.33 63.05 734.62 5661.94 11:00:02 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:01:01 AM 13309480 15111272 2829836 17.53 2688 2018472 1106428 6.44 150244 2322836 171440 11:02:01 AM 12622292 14820220 3517024 21.79 2688 2402560 1331396 7.75 167488 2938940 145684 11:03:01 AM 10980996 13438468 5158320 31.96 2688 2657204 2620876 15.25 261796 4463452 191724 11:04:01 AM 9802124 12266384 6337192 39.27 2688 2663776 3624136 21.09 263896 5635468 2588 11:05:01 AM 9713292 12183008 6426024 39.82 2688 2669100 3671480 21.36 264644 5722984 2560 11:06:01 AM 12571940 15073448 3567376 22.10 2688 2698968 1089116 6.34 472972 2661852 30484 Average: 11500021 13815467 4639295 28.75 2688 2518347 2240572 13.04 263507 3957589 90747 11:00:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:01:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 AM eth0 64.79 42.00 912.12 7.70 0.00 0.00 0.00 0.00 11:01:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 AM eth0 196.42 166.24 2282.73 34.16 0.00 0.00 0.00 0.00 11:02:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:01 AM eth0 263.41 200.45 3451.62 35.07 0.00 0.00 0.00 0.00 11:03:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 AM eth0 137.96 80.79 77.31 74.71 0.00 0.00 0.00 0.00 11:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 AM eth0 224.93 144.04 81.53 73.76 0.00 0.00 0.00 0.00 11:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 AM lo 6.55 6.55 0.80 0.80 0.00 0.00 0.00 0.00 11:06:01 AM eth0 27.84 23.76 52.46 20.20 0.00 0.00 0.00 0.00 11:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 152.81 109.74 1143.85 41.02 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) 10/19/2026 _x86_64_ (4 CPU) 10:58:53 LINUX RESTART (4 CPU) 11:00:02 AM CPU %user %nice %system %iowait %steal %idle 11:01:01 AM all 10.32 0.00 1.04 0.36 0.02 88.26 11:01:01 AM 0 5.31 0.00 0.76 0.31 0.00 93.62 11:01:01 AM 1 13.10 0.00 0.93 0.36 0.02 85.59 11:01:01 AM 2 7.83 0.00 0.76 0.15 0.02 91.24 11:01:01 AM 3 15.06 0.00 1.72 0.61 0.03 82.58 11:02:01 AM all 18.56 0.00 1.80 1.21 0.01 78.42 11:02:01 AM 0 19.64 0.00 1.12 0.52 0.02 78.71 11:02:01 AM 1 15.20 0.00 2.04 1.67 0.02 81.07 11:02:01 AM 2 21.72 0.00 2.87 2.01 0.02 73.38 11:02:01 AM 3 17.67 0.00 1.15 0.64 0.00 80.54 11:03:01 AM all 61.15 0.00 1.97 0.57 0.03 36.29 11:03:01 AM 0 65.95 0.00 1.77 0.28 0.02 31.98 11:03:01 AM 1 58.01 0.00 2.14 0.77 0.02 39.07 11:03:01 AM 2 62.61 0.00 1.55 0.38 0.03 35.42 11:03:01 AM 3 58.01 0.00 2.41 0.84 0.03 38.71 11:04:01 AM all 50.72 0.00 1.44 0.16 0.03 47.65 11:04:01 AM 0 55.58 0.00 1.74 0.05 0.03 42.60 11:04:01 AM 1 52.50 0.00 1.19 0.00 0.03 46.28 11:04:01 AM 2 59.58 0.00 0.90 0.00 0.02 39.50 11:04:01 AM 3 35.22 0.00 1.96 0.59 0.02 62.22 11:05:01 AM all 17.55 0.00 1.30 0.00 0.02 81.13 11:05:01 AM 0 11.45 0.00 1.27 0.00 0.02 87.26 11:05:01 AM 1 16.90 0.00 0.89 0.00 0.00 82.21 11:05:01 AM 2 14.64 0.00 1.19 0.00 0.02 84.16 11:05:01 AM 3 27.23 0.00 1.86 0.02 0.03 70.86 11:06:01 AM all 46.55 0.00 1.76 0.09 0.02 51.59 11:06:01 AM 0 47.71 0.00 1.62 0.13 0.02 50.52 11:06:01 AM 1 32.68 0.00 1.72 0.07 0.02 65.51 11:06:01 AM 2 50.27 0.00 1.42 0.02 0.03 48.26 11:06:01 AM 3 55.53 0.00 2.27 0.13 0.02 42.05 Average: all 34.21 0.00 1.55 0.40 0.02 63.82 Average: 0 34.36 0.00 1.38 0.21 0.02 64.02 Average: 1 31.46 0.00 1.49 0.48 0.02 66.56 Average: 2 36.19 0.00 1.45 0.43 0.02 61.91 Average: 3 34.84 0.00 1.89 0.47 0.02 62.77