---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30841 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: 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 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 668 10379 4 4940 14978 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:35:94:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84644sec preferred_lft 84644sec inet6 fe80::f816:3eff:fe35:94a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:94:c6:71:54:e3 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-30841) 06/26/26 _x86_64_ (4 CPU) 12:58:29 LINUX RESTART (4 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:09 20.17 3.01 16.07 1.09 362.21 4373.53 1906.87 13:20:19 24.95 0.77 21.15 3.03 27.59 3161.15 3093.81 Average: 22.56 1.89 18.61 2.06 194.93 3767.45 2500.23 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:09 10710056 14102432 1857540 11.35 130424 3388020 2493568 14.31 604836 4677876 24528 13:20:19 8963216 13254416 2697472 16.48 167928 4174048 2819440 16.18 828608 6115016 52824 Average: 9836636 13678424 2277506 13.91 149176 3781034 2656504 15.25 716722 5396446 38676 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:09 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 13:10:09 ens3 103.32 81.03 806.95 17.44 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:19 lo 1401.22 1401.22 1335.96 1335.96 0.00 0.00 0.00 0.00 13:20:19 ens3 89.58 64.27 325.30 17.97 0.00 0.00 0.00 0.00 13:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 700.99 700.99 667.92 667.92 0.00 0.00 0.00 0.00 Average: ens3 96.45 72.65 566.17 17.70 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-30841) 06/26/26 _x86_64_ (4 CPU) 12:58:29 LINUX RESTART (4 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:09 all 45.52 0.00 1.57 0.30 0.09 52.52 13:10:09 0 44.01 0.00 1.37 0.05 0.08 54.49 13:10:09 1 48.04 0.00 1.67 0.21 0.09 49.99 13:10:09 2 45.76 0.00 1.61 0.19 0.09 52.35 13:10:09 3 44.28 0.00 1.62 0.76 0.08 53.26 13:20:19 all 69.24 0.00 2.66 0.05 0.11 27.93 13:20:19 0 70.54 0.00 2.80 0.05 0.12 26.48 13:20:19 1 69.61 0.00 2.55 0.04 0.11 27.69 13:20:19 2 69.45 0.00 2.51 0.06 0.11 27.87 13:20:19 3 67.36 0.00 2.79 0.06 0.11 29.68 Average: all 57.37 0.00 2.11 0.18 0.10 40.24 Average: 0 57.26 0.00 2.08 0.05 0.10 40.50 Average: 1 58.82 0.00 2.11 0.13 0.10 38.85 Average: 2 57.60 0.00 2.06 0.13 0.10 40.12 Average: 3 55.81 0.00 2.21 0.41 0.10 41.48