---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-485324 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 621 10301 4 5066 15025 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:c5:67:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84793sec preferred_lft 84793sec inet6 fe80::f816:3eff:fec5:675e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:70:9f:d3:73:96 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-485324) 03/16/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 31.78 12.36 5.87 13.55 542.35 1053.45 247267.96 00:50:00 19.31 0.53 17.23 1.56 19.71 2458.92 11680.77 Average: 25.55 6.44 11.55 7.55 281.03 1756.19 129474.37 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 7638164 10899032 5062588 30.92 118116 3290448 5269724 30.25 676468 7700284 460 00:50:00 9936632 13655612 2301988 14.06 142200 3693968 2509020 14.40 860676 5164352 10884 Average: 8787398 12277322 3682288 22.49 130158 3492208 3889372 22.32 768572 6432318 5672 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 00:40:00 ens3 17.32 11.76 164.65 2.48 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 538.53 538.53 513.07 513.07 0.00 0.00 0.00 0.00 00:50:00 ens3 38.92 28.76 410.64 5.03 0.00 0.00 0.00 0.00 00:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 269.57 269.57 256.73 256.73 0.00 0.00 0.00 0.00 Average: ens3 28.12 20.26 287.65 3.75 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-485324) 03/16/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 44.68 0.06 0.71 0.08 0.07 54.40 00:40:00 0 36.81 0.09 0.57 0.06 0.06 62.41 00:40:00 1 47.20 0.10 0.91 0.11 0.08 51.61 00:40:00 2 41.72 0.07 0.67 0.07 0.07 57.40 00:40:00 3 52.99 0.00 0.70 0.08 0.08 46.15 00:50:00 all 54.12 0.00 1.32 0.08 0.09 44.39 00:50:00 0 55.71 0.00 1.08 0.08 0.09 43.04 00:50:00 1 50.03 0.00 1.44 0.04 0.08 48.41 00:50:00 2 47.94 0.00 1.50 0.10 0.08 50.37 00:50:00 3 62.83 0.00 1.27 0.09 0.10 35.72 Average: all 49.40 0.03 1.02 0.08 0.08 49.39 Average: 0 46.25 0.04 0.82 0.07 0.08 52.74 Average: 1 48.61 0.05 1.18 0.07 0.08 50.01 Average: 2 44.83 0.03 1.09 0.08 0.08 53.89 Average: 3 57.91 0.00 0.98 0.08 0.09 40.94