---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-274826 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 628 10403 4 4957 15018 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:eb:3d:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84803sec preferred_lft 84803sec inet6 fe80::f816:3eff:feeb:3dd4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:59:dd:11:36:ad 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-274826) 03/08/26 _x86_64_ (4 CPU) 16:47:52 LINUX RESTART (4 CPU) 16:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:08 23.18 1.08 8.27 13.83 453.12 2238.69 251768.18 17:10:08 7.44 0.52 6.50 0.42 19.12 1035.69 1134.92 Average: 15.22 0.80 7.37 7.05 233.67 1630.40 125036.38 16:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:08 9110280 12251388 3711456 22.67 115592 3189124 3848056 22.09 647384 6258808 7340 17:10:08 10048812 13607868 2351644 14.36 133168 3561896 2495444 14.32 731452 5192828 164560 Average: 9579546 12929628 3031550 18.52 124380 3375510 3171750 18.21 689418 5725818 85950 16:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:08 lo 0.67 0.67 0.40 0.40 0.00 0.00 0.00 0.00 17:00:08 ens3 27.82 19.04 249.84 4.00 0.00 0.00 0.00 0.00 17:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:08 lo 103.04 103.04 97.87 97.87 0.00 0.00 0.00 0.00 17:10:08 ens3 37.10 25.02 409.53 3.70 0.00 0.00 0.00 0.00 17:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 52.44 52.44 49.69 49.69 0.00 0.00 0.00 0.00 Average: ens3 32.51 22.06 330.58 3.85 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-274826) 03/08/26 _x86_64_ (4 CPU) 16:47:52 LINUX RESTART (4 CPU) 16:50:21 CPU %user %nice %system %iowait %steal %idle 17:00:08 all 52.45 0.00 0.88 0.07 0.08 46.52 17:00:08 0 52.07 0.00 0.85 0.11 0.08 46.88 17:00:08 1 50.41 0.00 0.88 0.02 0.08 48.61 17:00:08 2 55.55 0.00 0.81 0.06 0.08 43.49 17:00:08 3 51.75 0.00 0.99 0.10 0.08 47.08 17:10:08 all 50.21 0.00 0.80 0.03 0.08 48.88 17:10:08 0 68.11 0.00 0.84 0.03 0.08 30.94 17:10:08 1 39.10 0.00 0.91 0.04 0.08 59.87 17:10:08 2 56.70 0.00 0.80 0.01 0.07 42.42 17:10:08 3 36.94 0.00 0.66 0.03 0.07 62.31 Average: all 51.32 0.00 0.84 0.05 0.08 47.71 Average: 0 60.18 0.00 0.85 0.07 0.08 38.83 Average: 1 44.71 0.00 0.89 0.03 0.08 54.29 Average: 2 56.13 0.00 0.81 0.04 0.08 42.95 Average: 3 44.26 0.00 0.82 0.06 0.08 54.78