---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66277 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 9.9G 68G 13% / 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 692 11023 4 4273 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:e4:7d:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84342sec preferred_lft 84342sec inet6 fe80::f816:3eff:fee4:7d0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:1e:f6:ab:a7:ef 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-66277) 04/03/26 _x86_64_ (4 CPU) 20:53:30 LINUX RESTART (4 CPU) 21:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 29.00 2.58 22.40 4.02 143.10 3139.51 6241.38 21:20:07 46.04 0.30 37.83 7.90 11.69 4475.05 6438.19 Average: 37.61 1.43 30.20 5.98 76.71 3814.28 6340.81 21:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10777152 13854204 2107272 12.87 141104 3080912 2395984 13.75 515744 4717384 28620 21:20:07 11377936 15384524 570360 3.48 199508 3870252 1113704 6.39 783500 3753344 444 Average: 11077544 14619364 1338816 8.18 170306 3475582 1754844 10.07 649622 4235364 14532 21:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 2209.39 2209.39 2107.10 2107.10 0.00 0.00 0.00 0.00 21:10:01 ens3 119.14 90.00 784.87 20.84 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:07 lo 3945.13 3945.13 3759.59 3759.59 0.00 0.00 0.00 0.00 21:20:07 ens3 115.15 85.04 114.30 42.59 0.00 0.00 0.00 0.00 21:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3086.36 3086.36 2942.01 2942.01 0.00 0.00 0.00 0.00 Average: ens3 117.12 87.50 446.07 31.83 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-66277) 04/03/26 _x86_64_ (4 CPU) 20:53:30 LINUX RESTART (4 CPU) 21:00:07 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 37.15 0.00 2.18 0.10 0.06 60.51 21:10:01 0 36.57 0.00 2.11 0.10 0.06 61.17 21:10:01 1 37.40 0.00 2.39 0.09 0.07 60.05 21:10:01 2 37.18 0.00 2.08 0.12 0.06 60.55 21:10:01 3 37.44 0.00 2.14 0.09 0.06 60.27 21:20:07 all 59.12 0.00 3.75 0.28 0.10 36.74 21:20:07 0 59.79 0.00 3.42 0.16 0.10 36.52 21:20:07 1 59.28 0.00 3.66 0.46 0.10 36.49 21:20:07 2 59.20 0.00 3.72 0.13 0.10 36.85 21:20:07 3 58.22 0.00 4.21 0.37 0.10 37.10 Average: all 48.25 0.00 2.98 0.19 0.08 48.51 Average: 0 48.30 0.00 2.77 0.13 0.08 48.72 Average: 1 48.45 0.00 3.03 0.28 0.08 48.15 Average: 2 48.30 0.00 2.91 0.12 0.08 48.58 Average: 3 47.93 0.00 3.19 0.23 0.08 48.57