---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8504 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 644 10404 4 4940 15002 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:ec:90:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84625sec preferred_lft 84625sec inet6 fe80::f816:3eff:feec:90cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:2a:39:3f:39:09 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-8504) 04/27/26 _x86_64_ (4 CPU) 15:09:49 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:31 66.33 10.90 42.12 13.31 1644.20 8050.18 232445.34 15:30:35 3.62 0.06 3.44 0.11 6.67 462.51 20.30 Average: 35.67 5.60 23.21 6.86 843.55 4340.30 118804.52 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:31 9547816 12577980 3386008 20.68 110964 3088980 3637484 20.88 540632 5957392 176 15:30:35 9696404 12856420 3106568 18.97 115240 3204248 3211044 18.43 568720 5744644 68 Average: 9622110 12717200 3246288 19.83 113102 3146614 3424264 19.66 554676 5851018 122 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:31 lo 0.55 0.55 0.07 0.07 0.00 0.00 0.00 0.00 15:20:31 ens3 125.06 90.18 968.21 15.24 0.00 0.00 0.00 0.00 15:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:35 lo 0.55 0.55 0.37 0.37 0.00 0.00 0.00 0.00 15:30:35 ens3 6.67 5.45 35.44 1.32 0.00 0.00 0.00 0.00 15:30:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 67.18 48.75 512.14 8.43 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-8504) 04/27/26 _x86_64_ (4 CPU) 15:09:49 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:31 all 42.48 0.00 1.28 0.47 0.11 55.65 15:20:31 0 39.36 0.00 1.08 0.51 0.11 58.94 15:20:31 1 45.52 0.00 1.14 0.15 0.11 53.07 15:20:31 2 43.22 0.00 1.45 0.82 0.11 54.39 15:20:31 3 41.84 0.00 1.44 0.40 0.11 56.21 15:30:35 all 47.84 0.00 0.60 0.02 0.10 51.44 15:30:35 0 56.42 0.00 0.61 0.00 0.11 42.85 15:30:35 1 44.71 0.00 0.56 0.02 0.10 54.61 15:30:35 2 36.09 0.00 0.57 0.03 0.09 63.22 15:30:35 3 54.15 0.00 0.65 0.01 0.11 45.08 Average: all 45.11 0.00 0.95 0.25 0.11 53.59 Average: 0 47.70 0.00 0.85 0.26 0.11 51.07 Average: 1 45.13 0.00 0.86 0.09 0.10 53.82 Average: 2 39.73 0.00 1.02 0.43 0.10 58.71 Average: 3 47.86 0.00 1.05 0.21 0.11 50.76