---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36852 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: 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 11G 67G 15% / 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 661 9943 4 5383 14984 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:18:f9:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85045sec preferred_lft 85045sec inet6 fe80::f816:3eff:fe18:f94c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ff:c9:5d:4f:d7 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-36852) 07/18/26 _x86_64_ (4 CPU) 05:28:38 LINUX RESTART (4 CPU) 05:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:15 16.67 3.05 13.04 0.57 152.52 3882.88 792.34 05:50:01 18.50 0.55 16.85 1.10 71.89 7025.29 2016.27 Average: 17.57 1.82 14.91 0.83 112.83 5429.51 1394.73 05:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:15 10784452 13985992 1975036 12.06 139012 3197980 2299204 13.20 567584 4642896 15996 05:50:01 8887456 14086184 1865644 11.39 181392 5048272 2215072 12.71 975520 6025532 50892 Average: 9835954 14036088 1920340 11.73 160202 4123126 2257138 12.96 771552 5334214 33444 05:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:15 lo 2.49 2.49 0.21 0.21 0.00 0.00 0.00 0.00 05:40:15 ens3 81.17 66.29 503.56 14.48 0.00 0.00 0.00 0.00 05:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 2.10 2.10 0.18 0.18 0.00 0.00 0.00 0.00 05:50:01 ens3 129.26 105.70 621.91 25.61 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.30 2.30 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 104.84 85.69 561.81 19.96 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-36852) 07/18/26 _x86_64_ (4 CPU) 05:28:38 LINUX RESTART (4 CPU) 05:30:11 CPU %user %nice %system %iowait %steal %idle 05:40:15 all 59.60 0.00 1.90 0.05 0.10 38.36 05:40:15 0 57.67 0.00 1.87 0.04 0.10 40.33 05:40:15 1 59.18 0.00 1.81 0.03 0.10 38.88 05:40:15 2 61.34 0.00 2.11 0.10 0.09 36.36 05:40:15 3 60.20 0.00 1.81 0.03 0.10 37.86 05:50:01 all 56.54 0.00 2.01 0.08 0.09 41.28 05:50:01 0 53.93 0.00 1.88 0.11 0.09 43.98 05:50:01 1 57.86 0.00 2.03 0.10 0.09 39.92 05:50:01 2 57.68 0.00 2.12 0.03 0.09 40.08 05:50:01 3 56.68 0.00 1.99 0.08 0.10 41.14 Average: all 58.09 0.00 1.95 0.07 0.09 39.80 Average: 0 55.83 0.00 1.87 0.08 0.09 42.13 Average: 1 58.53 0.00 1.92 0.06 0.09 39.39 Average: 2 59.54 0.00 2.11 0.06 0.09 38.19 Average: 3 58.47 0.00 1.90 0.06 0.10 39.47