---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31035 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 15% / 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 693 9922 4 5373 14953 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:85:e4:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85052sec preferred_lft 85052sec inet6 fe80::f816:3eff:fe85:e463/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:19:1f:d6:b3:71 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-31035) 06/27/26 _x86_64_ (4 CPU) 05:28:40 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:10 17.10 3.09 13.29 0.71 155.12 3979.32 350.93 05:50:10 19.91 0.69 18.14 1.08 75.28 6998.35 1616.19 Average: 18.50 1.89 15.71 0.90 115.20 5488.83 983.56 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:10 10772144 13947388 2014228 12.30 136964 3177536 2306140 13.24 560528 4665532 884 05:50:10 8838692 14075352 1875728 11.46 182936 5076784 2235252 12.83 977252 6039048 55796 Average: 9805418 14011370 1944978 11.88 159950 4127160 2270696 13.03 768890 5352290 28340 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:10 lo 2.53 2.53 0.21 0.21 0.00 0.00 0.00 0.00 05:40:10 ens3 81.05 65.23 528.37 14.17 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:10 lo 2.05 2.05 0.18 0.18 0.00 0.00 0.00 0.00 05:50:10 ens3 126.70 105.68 600.74 32.26 0.00 0.00 0.00 0.00 05:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.29 2.29 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 103.87 85.45 564.56 23.22 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-31035) 06/27/26 _x86_64_ (4 CPU) 05:28:40 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:10 all 57.92 0.00 1.94 0.07 0.08 39.99 05:40:10 0 58.13 0.00 2.00 0.07 0.09 39.71 05:40:10 1 57.39 0.00 1.97 0.06 0.08 40.50 05:40:10 2 58.79 0.00 1.92 0.03 0.08 39.18 05:40:10 3 57.38 0.00 1.87 0.11 0.08 40.57 05:50:10 all 59.40 0.00 2.22 0.07 0.08 38.22 05:50:10 0 55.56 0.00 2.02 0.13 0.08 42.20 05:50:10 1 62.73 0.00 2.44 0.07 0.08 34.69 05:50:10 2 58.85 0.00 2.07 0.06 0.08 38.94 05:50:10 3 60.48 0.00 2.34 0.04 0.08 37.07 Average: all 58.66 0.00 2.08 0.07 0.08 39.11 Average: 0 56.85 0.00 2.01 0.10 0.09 40.96 Average: 1 60.05 0.00 2.20 0.07 0.08 37.60 Average: 2 58.82 0.00 1.99 0.05 0.08 39.06 Average: 3 58.93 0.00 2.10 0.07 0.08 38.82