---> uname -a: Linux prd-centos8-docker-4c-4g-1279.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 767 12197 20 2795 14652 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:ad:1d:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.159/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86040sec preferred_lft 86040sec inet6 fe80::f816:3eff:fead:1d27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ac:af:59:ad 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) 09/14/2026 _x86_64_ (4 CPU) 09:15:27 LINUX RESTART (4 CPU) 09:16:01 AM tps rtps wtps bread/s bwrtn/s 09:17:01 AM 219.63 20.56 199.07 4018.26 9397.35 09:18:01 AM 228.52 7.45 221.08 1038.45 15974.71 09:19:01 AM 36.50 0.05 36.45 1.07 8107.48 09:20:01 AM 1.00 0.00 1.00 0.00 186.14 09:21:01 AM 11.80 2.87 8.93 174.88 461.63 Average: 99.49 6.18 93.31 1046.57 6825.68 09:16:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:17:01 AM 12896120 14987696 3243188 20.09 2688 2299936 1424276 8.29 159532 2697052 304948 09:18:01 AM 11682980 14142476 4456328 27.61 2688 2660392 1782168 10.37 243212 3782736 219588 09:19:01 AM 10156464 12628964 5982844 37.07 2688 2672456 3046220 17.72 264428 5281280 2140 09:20:01 AM 9010872 11489552 7128436 44.17 2688 2678464 4238776 24.66 266140 6422224 3140 09:21:01 AM 12509864 15012928 3629444 22.49 2688 2701592 1129736 6.57 459124 2737644 23364 Average: 11251260 13652323 4888048 30.29 2688 2602568 2324235 13.52 278487 4184187 110636 09:16:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:17:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:17:01 AM eth0 141.47 93.47 1858.74 24.78 0.00 0.00 0.00 0.00 09:17:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:18:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:18:01 AM eth0 346.02 292.87 5123.75 41.34 0.00 0.00 0.00 0.00 09:18:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 AM eth0 86.74 56.61 47.99 59.15 0.00 0.00 0.00 0.00 09:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 AM eth0 202.83 138.86 89.86 84.13 0.00 0.00 0.00 0.00 09:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 AM lo 6.70 6.70 0.80 0.80 0.00 0.00 0.00 0.00 09:21:01 AM eth0 23.51 22.09 11.85 10.66 0.00 0.00 0.00 0.00 09:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.34 1.34 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 160.11 120.78 1426.48 44.01 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) 09/14/2026 _x86_64_ (4 CPU) 09:15:27 LINUX RESTART (4 CPU) 09:16:01 AM CPU %user %nice %system %iowait %steal %idle 09:17:01 AM all 21.69 0.00 2.27 1.04 0.03 74.98 09:17:01 AM 0 6.80 0.00 1.31 0.13 0.00 91.75 09:17:01 AM 1 33.91 0.00 3.14 1.52 0.03 61.40 09:17:01 AM 2 36.40 0.00 3.16 1.14 0.03 59.27 09:17:01 AM 3 9.68 0.00 1.47 1.36 0.03 87.46 09:18:01 AM all 50.06 0.00 2.44 1.11 0.02 46.36 09:18:01 AM 0 51.33 0.00 2.74 1.24 0.02 44.68 09:18:01 AM 1 47.33 0.00 2.59 1.41 0.02 48.65 09:18:01 AM 2 55.25 0.00 2.05 0.89 0.03 41.78 09:18:01 AM 3 46.35 0.00 2.39 0.90 0.02 50.34 09:19:01 AM all 50.29 0.00 1.48 0.27 0.03 47.94 09:19:01 AM 0 50.16 0.00 1.33 0.30 0.03 48.17 09:19:01 AM 1 53.50 0.00 1.00 0.38 0.02 45.10 09:19:01 AM 2 44.06 0.00 1.87 0.32 0.02 53.73 09:19:01 AM 3 53.42 0.00 1.72 0.08 0.03 44.74 09:20:01 AM all 22.46 0.00 1.36 0.00 0.01 76.17 09:20:01 AM 0 17.06 0.00 1.24 0.00 0.02 81.69 09:20:01 AM 1 38.30 0.00 1.55 0.00 0.02 60.13 09:20:01 AM 2 17.68 0.00 1.24 0.00 0.00 81.09 09:20:01 AM 3 16.81 0.00 1.42 0.00 0.00 81.77 09:21:01 AM all 55.35 0.00 1.54 0.05 0.03 43.02 09:21:01 AM 0 59.10 0.00 1.82 0.07 0.03 38.99 09:21:01 AM 1 44.33 0.00 1.25 0.02 0.03 54.36 09:21:01 AM 2 50.84 0.00 1.84 0.05 0.03 47.24 09:21:01 AM 3 67.11 0.00 1.25 0.07 0.03 31.54 Average: all 39.97 0.00 1.82 0.49 0.02 57.69 Average: 0 36.87 0.00 1.69 0.35 0.02 61.07 Average: 1 43.47 0.00 1.91 0.66 0.02 53.93 Average: 2 40.85 0.00 2.03 0.48 0.02 56.62 Average: 3 38.70 0.00 1.65 0.48 0.02 59.14