---> uname -a: Linux prd-centos8-docker-4c-4g-386.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1545 10331 20 3884 13873 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:b1:34:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.34/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85949sec preferred_lft 85949sec inet6 fe80::f816:3eff:feb1:348b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1c:7c:84:6f 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) 10/10/2026 _x86_64_ (4 CPU) 00:32:47 LINUX RESTART (4 CPU) 12:33:01 AM tps rtps wtps bread/s bwrtn/s 12:34:01 AM 249.81 96.17 153.64 10404.01 38823.04 12:35:01 AM 168.36 14.71 153.64 3099.48 12352.36 12:36:01 AM 195.87 7.33 188.54 1039.44 47815.42 12:37:01 AM 31.27 0.00 31.27 0.00 7747.98 12:38:01 AM 3.33 0.02 3.31 2.27 223.83 12:39:01 AM 17.86 2.87 15.00 164.64 373.67 12:40:01 AM 19.09 2.75 16.34 114.08 2263.53 Average: 97.94 17.69 80.25 2117.72 15658.59 12:33:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:34:01 AM 13531536 15124184 2607780 16.16 2688 1819104 1120500 6.52 144988 2144052 95584 12:35:01 AM 11658004 14872984 4481312 27.77 2688 3420124 1306264 7.60 185008 3892664 1308884 12:36:01 AM 10541448 14087800 5597868 34.68 2688 3745200 1922656 11.19 298112 4867092 219752 12:37:01 AM 8511932 12064936 7627384 47.26 2688 3751108 4443560 25.85 315320 6871484 3132 12:38:01 AM 8296548 11854128 7842768 48.59 2688 3755600 4475108 26.04 315392 7085576 2592 12:39:01 AM 9030872 12630708 7108444 44.04 2688 3796036 3881948 22.59 333528 6329420 31932 12:40:01 AM 10568760 14196196 5570556 34.52 2688 3823108 1822792 10.61 585316 4546228 25036 Average: 10305586 13547277 5833730 36.15 2688 3444326 2710404 15.77 311095 5105217 240987 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 353.77 209.58 1082.69 68.35 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 833.88 418.65 20316.07 44.89 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 324.08 269.95 4460.30 35.15 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 62.58 46.82 24.51 35.86 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 203.83 150.85 73.46 77.30 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 6.50 6.50 0.80 0.80 0.00 0.00 0.00 0.00 12:39:01 AM eth0 54.49 47.31 299.65 15.31 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 AM eth0 233.68 144.91 379.54 206.00 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 Average: lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 Average: eth0 295.18 184.01 3804.57 68.98 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) 10/10/2026 _x86_64_ (4 CPU) 00:32:47 LINUX RESTART (4 CPU) 12:33:01 AM CPU %user %nice %system %iowait %steal %idle 12:34:01 AM all 18.94 0.02 4.10 25.05 0.01 51.88 12:34:01 AM 0 16.74 0.00 4.26 19.74 0.02 59.24 12:34:01 AM 1 25.01 0.07 4.40 20.91 0.02 49.59 12:34:01 AM 2 14.75 0.00 3.49 37.25 0.00 44.51 12:34:01 AM 3 19.27 0.00 4.26 22.29 0.02 54.17 12:35:01 AM all 22.57 0.00 2.47 1.35 0.02 73.58 12:35:01 AM 0 29.83 0.00 4.24 0.72 0.03 65.18 12:35:01 AM 1 21.66 0.00 1.69 1.44 0.02 75.20 12:35:01 AM 2 24.67 0.00 2.51 2.33 0.02 70.48 12:35:01 AM 3 14.05 0.00 1.43 0.93 0.02 83.57 12:36:01 AM all 52.68 0.00 2.31 3.15 0.03 41.83 12:36:01 AM 0 54.61 0.00 2.14 0.55 0.02 42.68 12:36:01 AM 1 46.42 0.00 2.46 6.47 0.02 44.63 12:36:01 AM 2 55.59 0.00 2.53 4.23 0.03 37.62 12:36:01 AM 3 54.11 0.00 2.11 1.36 0.05 42.38 12:37:01 AM all 60.71 0.00 1.60 0.33 0.03 37.33 12:37:01 AM 0 64.78 0.00 1.62 0.00 0.03 33.57 12:37:01 AM 1 63.24 0.00 1.14 0.10 0.02 35.51 12:37:01 AM 2 60.50 0.00 1.89 0.15 0.05 37.41 12:37:01 AM 3 54.33 0.00 1.74 1.05 0.02 42.86 12:38:01 AM all 14.21 0.00 1.91 0.02 0.01 83.85 12:38:01 AM 0 20.82 0.00 1.45 0.03 0.02 77.68 12:38:01 AM 1 12.01 0.00 2.00 0.02 0.02 85.96 12:38:01 AM 2 10.16 0.00 2.61 0.03 0.00 87.21 12:38:01 AM 3 13.87 0.00 1.57 0.00 0.02 84.55 12:39:01 AM all 54.14 0.00 1.64 0.12 0.03 44.07 12:39:01 AM 0 53.67 0.00 1.02 0.00 0.03 45.28 12:39:01 AM 1 71.13 0.00 2.26 0.35 0.03 26.22 12:39:01 AM 2 43.89 0.00 1.79 0.12 0.02 54.19 12:39:01 AM 3 47.84 0.00 1.51 0.02 0.02 50.62 12:40:01 AM all 38.29 0.00 1.88 0.17 0.02 59.64 12:40:01 AM 0 35.88 0.00 1.49 0.00 0.00 62.63 12:40:01 AM 1 60.35 0.00 2.69 0.20 0.02 36.75 12:40:01 AM 2 18.94 0.00 1.93 0.45 0.02 78.66 12:40:01 AM 3 37.93 0.00 1.42 0.02 0.03 60.59 Average: all 37.37 0.00 2.27 4.31 0.02 56.03 Average: 0 39.49 0.00 2.32 2.99 0.02 55.18 Average: 1 42.83 0.01 2.38 4.21 0.02 50.56 Average: 2 32.65 0.00 2.39 6.36 0.02 58.58 Average: 3 34.51 0.00 2.00 3.66 0.02 59.80