---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3199 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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: 5599.99 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 11G 67G 14% / 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 704 10354 4 4930 14941 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:32:81:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84668sec preferred_lft 84668sec inet6 fe80::f816:3eff:fe32:8162/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:c6:f1:c2:68:8e 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3199) 09/08/26 _x86_64_ (4 CPU) 16:44:22 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:34 11.74 1.85 9.14 0.74 122.57 3010.80 536.14 17:10:50 36.41 0.76 19.19 16.46 23.55 3654.40 232017.30 Average: 23.90 1.32 14.10 8.49 73.75 3328.11 114664.81 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:34 10106152 13807872 2149076 13.13 140848 3670340 2393452 13.74 609600 5248928 22324 17:10:50 10742248 15418208 532876 3.25 168392 4549644 1068648 6.13 897280 4251620 16 Average: 10424200 14613040 1340976 8.19 154620 4109992 1731050 9.94 753440 4750274 11170 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:34 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 17:00:34 ens3 84.19 71.07 561.84 13.49 0.00 0.00 0.00 0.00 17:00:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:50 lo 1612.75 1612.75 1537.84 1537.84 0.00 0.00 0.00 0.00 17:10:50 ens3 65.23 54.49 438.15 31.78 0.00 0.00 0.00 0.00 17:10:50 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 795.80 795.80 758.28 758.28 0.00 0.00 0.00 0.00 Average: ens3 74.84 62.90 500.86 22.51 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-3199) 09/08/26 _x86_64_ (4 CPU) 16:44:22 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:34 all 65.82 0.00 2.22 0.06 0.03 31.88 17:00:34 0 64.66 0.00 1.81 0.04 0.03 33.47 17:00:34 1 65.47 0.00 2.25 0.06 0.03 32.20 17:00:34 2 65.59 0.00 2.20 0.09 0.02 32.09 17:00:34 3 67.56 0.00 2.62 0.05 0.03 29.75 17:10:50 all 53.27 0.00 2.41 0.08 0.02 44.23 17:10:50 0 51.56 0.00 2.36 0.07 0.02 46.00 17:10:50 1 53.96 0.00 2.33 0.05 0.01 43.65 17:10:50 2 55.47 0.00 2.56 0.03 0.02 41.92 17:10:50 3 52.08 0.00 2.39 0.15 0.02 45.36 Average: all 59.63 0.00 2.31 0.07 0.02 37.97 Average: 0 58.20 0.00 2.08 0.05 0.02 39.65 Average: 1 59.79 0.00 2.29 0.05 0.02 37.85 Average: 2 60.60 0.00 2.38 0.06 0.02 36.94 Average: 3 59.92 0.00 2.51 0.10 0.02 37.45