---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-951 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: 5600.00 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 10G 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 703 10852 4 4433 14943 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:21:67:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84682sec preferred_lft 84682sec inet6 fe80::f816:3eff:fe21:6765/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:29:3f:af:d3:ce 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-951) 03/17/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:03 43.45 2.78 34.25 6.41 348.72 4501.79 7638.45 22:20:13 34.90 0.30 28.57 6.02 11.65 3603.60 9404.84 Average: 39.14 1.53 31.39 6.22 178.98 4049.49 8527.94 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:03 10429524 13839028 2119348 12.94 155080 3379284 2225524 12.77 628700 4924616 25120 22:20:13 11193548 15370896 582404 3.56 199608 4038848 1113588 6.39 852064 3859984 124 Average: 10811536 14604962 1350876 8.25 177344 3709066 1669556 9.58 740382 4392300 12622 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:03 lo 3534.75 3534.75 3370.07 3370.07 0.00 0.00 0.00 0.00 22:10:03 ens3 147.03 114.22 895.35 27.96 0.00 0.00 0.00 0.00 22:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:13 lo 2876.37 2876.37 2736.13 2736.13 0.00 0.00 0.00 0.00 22:20:13 ens3 93.12 82.77 111.86 101.51 0.00 0.00 0.00 0.00 22:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3203.21 3203.21 3050.84 3050.84 0.00 0.00 0.00 0.00 Average: ens3 119.88 98.39 500.81 64.99 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-951) 03/17/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:03 all 57.19 0.00 3.42 1.67 0.13 37.60 22:10:03 0 57.23 0.00 3.15 0.84 0.13 38.66 22:10:03 1 56.69 0.00 3.55 2.16 0.12 37.47 22:10:03 2 58.31 0.00 3.59 2.16 0.13 35.81 22:10:03 3 56.51 0.00 3.38 1.53 0.13 38.45 22:20:13 all 47.13 0.00 2.96 2.12 0.12 47.67 22:20:13 0 45.35 0.00 2.75 1.13 0.12 50.66 22:20:13 1 48.98 0.00 3.19 1.03 0.12 46.68 22:20:13 2 48.81 0.00 3.20 3.82 0.12 44.05 22:20:13 3 45.39 0.00 2.73 2.52 0.11 49.26 Average: all 52.12 0.00 3.19 1.90 0.12 42.67 Average: 0 51.25 0.00 2.95 0.98 0.12 44.70 Average: 1 52.81 0.00 3.37 1.59 0.12 42.11 Average: 2 53.53 0.00 3.40 3.00 0.12 39.96 Average: 3 50.91 0.00 3.05 2.03 0.12 43.89