---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30066 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.7G 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 634 11246 4 4108 15012 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:e4:1c:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84662sec preferred_lft 84662sec inet6 fe80::f816:3eff:fee4:1c30/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:97:59:04:91:6d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30066) 06/24/26 _x86_64_ (4 CPU) 08:08:49 LINUX RESTART (4 CPU) 08:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:19 3.66 0.09 3.29 0.27 3.76 275.92 316.92 08:30:19 35.70 3.74 31.35 0.61 231.84 2610.61 409.37 Average: 19.68 1.91 17.32 0.44 117.80 1443.27 363.15 08:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:19 13656692 15503656 513116 3.13 56732 2016152 1153000 6.62 224556 2225876 200 08:30:19 12091916 14892364 1074144 6.56 104988 2878308 1857800 10.66 363132 3579188 230116 Average: 12874304 15198010 793630 4.85 80860 2447230 1505400 8.64 293844 2902532 115158 08:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:19 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 08:20:19 ens3 5.30 2.86 85.31 0.31 0.00 0.00 0.00 0.00 08:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:19 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 08:30:19 ens3 73.41 56.23 684.27 10.87 0.00 0.00 0.00 0.00 08:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 39.35 29.54 384.79 5.59 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-30066) 06/24/26 _x86_64_ (4 CPU) 08:08:49 LINUX RESTART (4 CPU) 08:10:19 CPU %user %nice %system %iowait %steal %idle 08:20:19 all 0.43 0.00 0.14 0.25 0.01 99.17 08:20:19 0 0.19 0.00 0.25 0.06 0.02 99.47 08:20:19 1 0.48 0.00 0.10 0.05 0.01 99.36 08:20:19 2 0.50 0.00 0.09 0.05 0.02 99.35 08:20:19 3 0.54 0.00 0.12 0.83 0.01 98.50 08:30:19 all 6.14 0.00 0.48 0.40 0.03 92.95 08:30:19 0 7.56 0.00 0.53 1.12 0.04 90.76 08:30:19 1 5.16 0.00 0.39 0.04 0.03 94.39 08:30:19 2 6.63 0.00 0.52 0.08 0.03 92.74 08:30:19 3 5.22 0.00 0.51 0.35 0.03 93.90 Average: all 3.28 0.00 0.31 0.32 0.02 96.06 Average: 0 3.87 0.00 0.39 0.59 0.03 95.12 Average: 1 2.82 0.00 0.24 0.05 0.02 96.88 Average: 2 3.56 0.00 0.30 0.07 0.02 96.05 Average: 3 2.87 0.00 0.31 0.59 0.02 96.21