---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6211 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 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 665 10419 4 4904 14981 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:f9:c3:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84702sec preferred_lft 84702sec inet6 fe80::f816:3eff:fef9:c32c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:c1:1a:73:1d:07 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-6211) 04/21/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:12 19.82 3.00 15.89 0.93 362.77 3757.90 1791.63 15:00:09 22.37 0.80 19.26 2.31 27.42 3507.96 6731.82 Average: 21.08 1.91 17.56 1.61 196.91 3634.28 4235.06 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:12 10711984 13943264 2018136 12.33 125840 3245128 2639356 15.15 590860 4711880 29044 15:00:09 9104944 13309376 2643180 16.14 174124 4083840 2788056 16.00 842072 5952976 15912 Average: 9908464 13626320 2330658 14.23 149982 3664484 2713706 15.58 716466 5332428 22478 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:12 lo 0.86 0.86 0.10 0.10 0.00 0.00 0.00 0.00 14:50:12 ens3 89.10 72.12 767.63 16.17 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:09 lo 997.60 997.60 950.67 950.67 0.00 0.00 0.00 0.00 15:00:09 ens3 91.20 68.04 373.35 19.16 0.00 0.00 0.00 0.00 15:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 493.85 493.85 470.25 470.25 0.00 0.00 0.00 0.00 Average: ens3 90.14 70.10 572.62 17.65 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-6211) 04/21/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:12 all 41.24 0.00 1.49 0.08 0.07 57.12 14:50:12 0 41.68 0.00 1.20 0.07 0.07 56.99 14:50:12 1 40.31 0.00 1.43 0.09 0.07 58.11 14:50:12 2 42.38 0.00 1.84 0.08 0.06 55.64 14:50:12 3 40.59 0.00 1.51 0.10 0.07 57.74 15:00:09 all 69.45 0.00 2.58 0.05 0.10 27.82 15:00:09 0 68.35 0.00 2.52 0.04 0.10 29.00 15:00:09 1 71.39 0.00 2.93 0.06 0.10 25.52 15:00:09 2 70.62 0.00 2.61 0.04 0.09 26.64 15:00:09 3 67.44 0.00 2.27 0.06 0.10 30.13 Average: all 55.18 0.00 2.03 0.07 0.08 42.64 Average: 0 54.86 0.00 1.85 0.05 0.08 43.16 Average: 1 55.66 0.00 2.17 0.07 0.08 42.02 Average: 2 56.33 0.00 2.22 0.06 0.08 41.31 Average: 3 53.87 0.00 1.88 0.08 0.08 44.08