---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14136 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 674 10585 4 4729 14972 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:59:46:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84667sec preferred_lft 84667sec inet6 fe80::f816:3eff:fe59:4683/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:74:34:c4:2a:df 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-14136) 05/13/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 13.05 2.02 10.16 0.87 129.80 2840.38 2124.09 15:50:20 26.60 0.76 22.41 3.43 27.08 4064.38 13506.51 Average: 20.03 1.37 16.47 2.19 76.85 3471.31 7991.38 15:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10665620 13909076 2051688 12.53 128264 3246420 2395832 13.75 550220 4779728 21272 15:50:20 8477836 12849168 3102788 18.95 165216 4255716 3550008 20.38 857272 6571156 2140 Average: 9571728 13379122 2577238 15.74 146740 3751068 2972920 17.06 703746 5675442 11706 15:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 15:40:01 ens3 97.54 74.40 649.99 17.53 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:20 lo 1538.29 1538.29 1466.46 1466.46 0.00 0.00 0.00 0.00 15:50:20 ens3 88.19 63.99 412.81 17.34 0.00 0.00 0.00 0.00 15:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 793.48 793.48 755.97 755.97 0.00 0.00 0.00 0.00 Average: ens3 92.72 69.03 527.73 17.43 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-14136) 05/13/26 _x86_64_ (4 CPU) 15:26:29 LINUX RESTART (4 CPU) 15:30:19 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 56.04 0.00 1.84 0.10 0.10 41.92 15:40:01 0 54.39 0.00 1.62 0.05 0.09 43.85 15:40:01 1 56.90 0.00 2.18 0.31 0.11 40.50 15:40:01 2 57.18 0.00 1.87 0.04 0.10 40.81 15:40:01 3 55.69 0.00 1.67 0.02 0.11 42.50 15:50:20 all 68.01 0.00 2.71 0.62 0.11 28.55 15:50:20 0 66.72 0.00 2.35 1.67 0.11 29.15 15:50:20 1 69.89 0.00 2.79 0.35 0.11 26.86 15:50:20 2 69.20 0.00 3.18 0.08 0.11 27.42 15:50:20 3 66.24 0.00 2.52 0.36 0.11 30.77 Average: all 62.21 0.00 2.29 0.37 0.11 35.03 Average: 0 60.74 0.00 2.00 0.88 0.10 36.28 Average: 1 63.60 0.00 2.50 0.33 0.11 33.47 Average: 2 63.37 0.00 2.55 0.06 0.11 33.91 Average: 3 61.13 0.00 2.11 0.19 0.11 36.46