---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5740 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 nrip_save 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 68G 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 674 10458 4 4855 14972 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:65:43:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84549sec preferred_lft 84549sec inet6 fe80::f816:3eff:fe65:439e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:ae:54:a5:44:23 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5740) 01/29/26 _x86_64_ (4 CPU) 13:23:08 LINUX RESTART (4 CPU) 13:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:01 14.03 2.04 11.02 0.97 132.83 2787.82 488.36 13:50:00 28.46 0.93 23.42 4.11 30.27 4657.93 4804.65 Average: 21.30 1.48 17.26 2.55 81.20 3729.19 2661.07 13:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:01 10266800 13664172 2294624 14.01 136176 3387804 2673332 15.34 657588 5069556 38500 13:50:00 10758140 15368768 581900 3.55 172364 4475600 1106584 6.35 991700 4119452 4 Average: 10512470 14516470 1438262 8.78 154270 3931702 1889958 10.85 824644 4594504 19252 13:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:01 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 13:40:01 ens3 94.38 75.54 506.98 19.56 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:00 lo 1567.57 1567.57 1490.47 1490.47 0.00 0.00 0.00 0.00 13:50:00 ens3 97.95 80.44 430.25 82.85 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.72 789.72 750.33 750.33 0.00 0.00 0.00 0.00 Average: ens3 96.18 78.01 468.35 51.42 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5740) 01/29/26 _x86_64_ (4 CPU) 13:23:08 LINUX RESTART (4 CPU) 13:30:10 CPU %user %nice %system %iowait %steal %idle 13:40:01 all 69.60 0.00 2.25 0.05 0.10 28.00 13:40:01 0 68.46 0.00 2.39 0.05 0.10 28.99 13:40:01 1 70.25 0.00 2.27 0.07 0.10 27.30 13:40:01 2 69.49 0.00 2.29 0.03 0.10 28.09 13:40:01 3 70.21 0.00 2.05 0.03 0.09 27.61 13:50:00 all 61.85 0.00 2.41 0.07 0.09 35.58 13:50:00 0 60.61 0.00 2.54 0.09 0.09 36.67 13:50:00 1 64.59 0.00 2.24 0.06 0.09 33.02 13:50:00 2 62.33 0.00 2.48 0.09 0.09 35.01 13:50:00 3 59.88 0.00 2.36 0.06 0.09 37.60 Average: all 65.70 0.00 2.33 0.06 0.09 31.81 Average: 0 64.51 0.00 2.47 0.07 0.09 32.86 Average: 1 67.40 0.00 2.26 0.07 0.09 30.18 Average: 2 65.89 0.00 2.38 0.06 0.10 31.57 Average: 3 65.02 0.00 2.21 0.05 0.09 32.64