---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20449 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 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 650 10351 4 4987 14996 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:41:fb:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fe41:fb30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:d5:74:f8:06:e7 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-20449) 05/27/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:19 6.76 0.16 6.14 0.47 11.20 901.67 217.25 00:50:04 23.98 0.82 21.10 2.06 31.15 6213.65 14686.58 Average: 15.13 0.48 13.41 1.24 20.90 3483.12 7248.86 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:19 9456536 12645952 3315884 20.25 117356 3225796 3555096 20.41 529516 6039440 500 00:50:04 10635956 15383672 571920 3.49 139984 4700332 1106028 6.35 905604 4404736 26624 Average: 10046246 14014812 1943902 11.87 128670 3963064 2330562 13.38 717560 5222088 13562 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:19 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 00:40:19 ens3 19.68 14.06 117.93 3.20 0.00 0.00 0.00 0.00 00:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:04 lo 558.62 558.62 532.14 532.14 0.00 0.00 0.00 0.00 00:50:04 ens3 50.46 36.37 524.20 7.00 0.00 0.00 0.00 0.00 00:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 271.79 271.79 258.79 258.79 0.00 0.00 0.00 0.00 Average: ens3 34.64 24.91 315.37 5.05 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-20449) 05/27/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:19 all 50.90 0.00 0.80 0.11 0.09 48.09 00:40:19 0 46.70 0.00 0.73 0.07 0.09 52.41 00:40:19 1 51.22 0.00 0.90 0.17 0.09 47.62 00:40:19 2 54.27 0.00 0.83 0.06 0.10 44.73 00:40:19 3 51.42 0.00 0.76 0.16 0.09 47.57 00:50:04 all 56.26 0.00 1.47 0.13 0.10 42.04 00:50:04 0 49.94 0.00 1.56 0.10 0.09 48.31 00:50:04 1 66.90 0.00 1.35 0.10 0.10 31.54 00:50:04 2 51.16 0.00 1.35 0.27 0.09 47.12 00:50:04 3 57.07 0.00 1.61 0.06 0.10 41.17 Average: all 53.51 0.00 1.13 0.12 0.09 45.15 Average: 0 48.27 0.00 1.13 0.08 0.09 50.42 Average: 1 58.84 0.00 1.12 0.13 0.10 39.81 Average: 2 52.76 0.00 1.09 0.16 0.10 45.90 Average: 3 54.16 0.00 1.17 0.11 0.09 44.46