---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21808 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 630 10458 4 4899 15015 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:44:37:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84886sec preferred_lft 84886sec inet6 fe80::f816:3eff:fe44:37a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:a3:ee:99:45:ea 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-21808) 05/31/26 _x86_64_ (4 CPU) 00:25:21 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:09 4.73 0.11 4.42 0.19 8.83 769.62 168.20 00:50:13 26.31 0.82 22.96 2.53 32.83 6089.68 26539.53 Average: 15.48 0.47 13.66 1.36 20.79 3421.86 13315.25 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:09 9838860 12940224 3022504 18.46 115272 3141716 3330672 19.12 504608 5683928 180 00:50:13 10751056 15413976 542216 3.31 138940 4618056 1046580 6.01 894388 4282012 11280 Average: 10294958 14177100 1782360 10.89 127106 3879886 2188626 12.56 699498 4982970 5730 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:09 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 00:40:09 ens3 10.76 8.57 35.34 2.81 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:13 lo 532.66 532.66 505.22 505.22 0.00 0.00 0.00 0.00 00:50:13 ens3 72.17 54.16 515.11 85.72 0.00 0.00 0.00 0.00 00:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.86 265.86 252.05 252.05 0.00 0.00 0.00 0.00 Average: ens3 41.38 31.30 274.52 44.14 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-21808) 05/31/26 _x86_64_ (4 CPU) 00:25:21 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:09 all 47.72 0.00 0.70 0.02 0.08 51.48 00:40:09 0 56.76 0.00 0.73 0.01 0.08 42.41 00:40:09 1 40.44 0.00 0.69 0.04 0.08 58.74 00:40:09 2 48.82 0.00 0.67 0.01 0.08 50.42 00:40:09 3 44.85 0.00 0.71 0.01 0.07 54.36 00:50:13 all 50.51 0.00 1.54 0.14 0.11 47.70 00:50:13 0 42.96 0.00 1.83 0.08 0.11 55.02 00:50:13 1 44.86 0.00 1.48 0.28 0.11 53.27 00:50:13 2 42.94 0.00 1.42 0.14 0.10 55.41 00:50:13 3 71.29 0.00 1.43 0.04 0.12 27.12 Average: all 49.11 0.00 1.12 0.08 0.09 49.60 Average: 0 49.89 0.00 1.28 0.05 0.09 48.69 Average: 1 42.64 0.00 1.09 0.16 0.09 56.02 Average: 2 45.89 0.00 1.04 0.07 0.09 52.90 Average: 3 58.03 0.00 1.07 0.03 0.10 40.78