---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3041 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 626 10466 4 4896 15020 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:e8:99:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84794sec preferred_lft 84794sec inet6 fe80::f816:3eff:fee8:99d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c9:2b:04:0d:85 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-3041) 04/15/26 _x86_64_ (4 CPU) 14:55:18 LINUX RESTART (4 CPU) 15:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:16 6.51 0.15 5.90 0.45 10.96 830.07 266.03 15:20:26 19.40 0.51 17.36 1.52 18.73 2374.84 14036.34 Average: 12.92 0.33 11.61 0.98 14.83 1599.11 7121.39 15:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:16 9975644 13093244 2868376 17.52 116096 3161268 3104504 17.82 532096 5526912 9532 15:20:26 10104208 13643948 2313684 14.13 136552 3535644 2507236 14.39 705432 5171796 5328 Average: 10039926 13368596 2591030 15.82 126324 3348456 2805870 16.11 618764 5349354 7430 15:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:16 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 15:10:16 ens3 15.86 11.40 116.57 2.59 0.00 0.00 0.00 0.00 15:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:26 lo 517.94 517.94 492.57 492.57 0.00 0.00 0.00 0.00 15:20:26 ens3 33.18 23.17 401.27 3.19 0.00 0.00 0.00 0.00 15:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 258.17 258.17 245.41 245.41 0.00 0.00 0.00 0.00 Average: ens3 24.48 17.26 258.30 2.89 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-3041) 04/15/26 _x86_64_ (4 CPU) 14:55:18 LINUX RESTART (4 CPU) 15:00:01 CPU %user %nice %system %iowait %steal %idle 15:10:16 all 48.63 0.00 0.85 0.09 0.10 50.34 15:10:16 0 48.28 0.00 0.83 0.06 0.09 50.75 15:10:16 1 47.08 0.00 0.91 0.10 0.10 51.81 15:10:16 2 38.02 0.00 0.70 0.05 0.10 61.13 15:10:16 3 61.14 0.00 0.94 0.15 0.11 37.67 15:20:26 all 53.57 0.00 1.46 0.16 0.12 44.69 15:20:26 0 74.34 0.00 1.50 0.15 0.13 23.87 15:20:26 1 46.25 0.00 1.45 0.14 0.11 52.06 15:20:26 2 39.60 0.00 1.42 0.18 0.10 58.71 15:20:26 3 54.10 0.00 1.48 0.17 0.12 44.14 Average: all 51.09 0.00 1.15 0.13 0.11 47.53 Average: 0 61.24 0.00 1.17 0.10 0.11 37.38 Average: 1 46.66 0.00 1.18 0.12 0.10 51.93 Average: 2 38.80 0.00 1.06 0.11 0.10 59.93 Average: 3 57.64 0.00 1.20 0.16 0.11 40.89