---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-463049 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 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 670 10504 4 4814 14976 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:44:4d:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84598sec preferred_lft 84598sec inet6 fe80::f816:3eff:fe44:4d3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:17:2c:35:53:4e 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-463049) 03/13/26 _x86_64_ (4 CPU) 14:40:21 LINUX RESTART (4 CPU) 14:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:06 11.84 0.48 10.32 1.05 17.41 2535.43 532.55 15:10:09 26.94 0.56 21.86 4.52 20.79 3588.63 5424.37 Average: 19.42 0.52 16.11 2.79 19.11 3064.33 2989.15 14:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:06 9895204 13586764 2368972 14.47 157892 3621152 2912516 16.72 680512 5381372 22660 15:10:09 10793536 15368008 581532 3.55 180984 4425664 1091980 6.27 934404 4159012 12168 Average: 10344370 14477386 1475252 9.01 169438 4023408 2002248 11.49 807458 4770192 17414 14:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:06 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 15:00:06 ens3 67.19 55.21 141.96 18.30 0.00 0.00 0.00 0.00 15:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:09 lo 1622.69 1622.69 1535.89 1535.89 0.00 0.00 0.00 0.00 15:10:09 ens3 115.34 107.65 416.08 197.19 0.00 0.00 0.00 0.00 15:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.59 815.59 771.37 771.37 0.00 0.00 0.00 0.00 Average: ens3 91.37 81.54 279.62 108.13 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-463049) 03/13/26 _x86_64_ (4 CPU) 14:40:21 LINUX RESTART (4 CPU) 14:50:09 CPU %user %nice %system %iowait %steal %idle 15:00:06 all 73.72 0.00 2.23 0.25 0.11 23.69 15:00:06 0 72.47 0.00 2.18 0.41 0.11 24.84 15:00:06 1 71.84 0.00 2.08 0.14 0.10 25.83 15:00:06 2 76.77 0.00 2.43 0.24 0.11 20.45 15:00:06 3 73.81 0.00 2.22 0.22 0.11 23.64 15:10:09 all 40.72 0.00 2.04 1.43 0.08 55.73 15:10:09 0 33.71 0.00 1.91 1.06 0.08 63.23 15:10:09 1 44.56 0.00 2.49 0.86 0.08 52.00 15:10:09 2 44.83 0.00 2.09 2.09 0.08 50.91 15:10:09 3 39.80 0.00 1.64 1.73 0.08 56.74 Average: all 57.14 0.00 2.13 0.85 0.09 39.79 Average: 0 52.98 0.00 2.05 0.74 0.09 44.15 Average: 1 58.14 0.00 2.29 0.50 0.09 38.97 Average: 2 60.73 0.00 2.26 1.17 0.10 35.75 Average: 3 56.72 0.00 1.93 0.98 0.09 40.27