---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42115 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5600.00 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 clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 762 9443 4 5782 14882 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ba:d5:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84372sec preferred_lft 84372sec inet6 fe80::f816:3eff:feba:d52b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:57:31:3d:bd:f2 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42115) 08/28/26 _x86_64_ (4 CPU) 16:44:59 LINUX RESTART (4 CPU) 16:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:00 25.06 2.57 20.62 1.87 144.71 4992.74 10205.33 17:10:00 29.44 0.06 26.25 3.13 1.84 3152.03 28511.03 Average: 27.25 1.31 23.44 2.50 73.27 4072.37 19358.25 16:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:00 9429424 13258860 2695660 16.46 161448 3748596 3057240 17.55 722676 5791680 16688 17:10:00 7326640 12648908 3299408 20.15 195604 5131064 3626044 20.81 1043728 7485148 905252 Average: 8378032 12953884 2997534 18.31 178526 4439830 3341642 19.18 883202 6638414 460970 16:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:00 lo 920.26 920.26 876.98 876.98 0.00 0.00 0.00 0.00 17:00:00 ens3 84.77 66.48 810.53 13.28 0.00 0.00 0.00 0.00 17:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:00 lo 1630.07 1630.07 1553.97 1553.97 0.00 0.00 0.00 0.00 17:10:00 ens3 39.20 33.17 252.62 9.88 0.00 0.00 0.00 0.00 17:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1275.17 1275.17 1215.48 1215.48 0.00 0.00 0.00 0.00 Average: ens3 61.98 49.82 531.57 11.58 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-42115) 08/28/26 _x86_64_ (4 CPU) 16:44:59 LINUX RESTART (4 CPU) 16:50:00 CPU %user %nice %system %iowait %steal %idle 17:00:00 all 63.62 0.00 2.50 0.10 0.05 33.74 17:00:00 0 65.86 0.00 2.95 0.15 0.05 30.98 17:00:00 1 59.90 0.00 2.65 0.12 0.04 37.29 17:00:00 2 63.64 0.00 2.32 0.05 0.04 33.95 17:00:00 3 65.07 0.00 2.05 0.07 0.05 32.76 17:10:00 all 54.64 0.00 2.93 0.08 0.03 42.31 17:10:00 0 54.53 0.00 2.95 0.12 0.03 42.37 17:10:00 1 51.28 0.00 2.87 0.12 0.03 45.71 17:10:00 2 54.47 0.00 2.95 0.06 0.03 42.49 17:10:00 3 58.28 0.00 2.96 0.04 0.04 38.68 Average: all 59.13 0.00 2.71 0.09 0.04 38.03 Average: 0 60.20 0.00 2.95 0.13 0.04 36.67 Average: 1 55.59 0.00 2.76 0.12 0.04 41.50 Average: 2 59.06 0.00 2.64 0.05 0.03 38.22 Average: 3 61.68 0.00 2.51 0.06 0.04 35.72