---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35702 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 640 10211 4 5137 15006 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:11:60:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84621sec preferred_lft 84621sec inet6 fe80::f816:3eff:fe11:604f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:7f:15:5a:52:74 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-35702) 03/25/26 _x86_64_ (4 CPU) 08:04:19 LINUX RESTART (4 CPU) 08:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:07 3.97 0.08 3.72 0.18 7.12 605.19 131.01 08:30:00 15.07 0.52 13.62 0.93 19.18 3601.44 10187.89 Average: 9.49 0.30 8.64 0.55 13.12 2094.66 5130.41 08:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:07 9605272 12972224 2989524 18.26 117668 3405864 3216568 18.46 701748 5718608 8600 08:30:00 8834620 12884808 3072972 18.77 136388 4034588 3204500 18.39 896936 6245192 275112 Average: 9219946 12928516 3031248 18.51 127028 3720226 3210534 18.43 799342 5981900 141856 08:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:07 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 08:20:07 ens3 9.01 7.75 36.27 2.28 0.00 0.00 0.00 0.00 08:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:00 lo 328.69 328.69 313.12 313.12 0.00 0.00 0.00 0.00 08:30:00 ens3 32.68 24.26 412.42 3.27 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 163.71 163.71 155.85 155.85 0.00 0.00 0.00 0.00 Average: ens3 20.77 15.96 223.25 2.77 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-35702) 03/25/26 _x86_64_ (4 CPU) 08:04:19 LINUX RESTART (4 CPU) 08:10:07 CPU %user %nice %system %iowait %steal %idle 08:20:07 all 48.73 0.00 0.75 0.03 0.10 50.39 08:20:07 0 52.95 0.00 0.73 0.03 0.10 46.19 08:20:07 1 41.79 0.00 0.71 0.01 0.09 57.41 08:20:07 2 60.46 0.00 0.78 0.03 0.11 38.62 08:20:07 3 39.77 0.00 0.77 0.03 0.09 59.33 08:30:00 all 46.34 0.00 1.04 4.44 0.10 48.08 08:30:00 0 62.36 0.00 1.14 9.15 0.12 27.24 08:30:00 1 34.60 0.00 0.80 4.13 0.09 60.38 08:30:00 2 52.07 0.00 1.06 2.90 0.10 43.86 08:30:00 3 36.36 0.00 1.15 1.57 0.10 60.82 Average: all 47.55 0.00 0.89 2.22 0.10 49.24 Average: 0 57.62 0.00 0.93 4.56 0.11 36.78 Average: 1 38.22 0.00 0.75 2.05 0.09 58.88 Average: 2 56.29 0.00 0.92 1.46 0.11 41.22 Average: 3 38.07 0.00 0.96 0.80 0.10 60.07