---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23697 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 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 677 9972 4 5339 14969 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:21:3a:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:fe21:3aa7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:5b:c8:9f:ed:04 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-23697) 06/04/26 _x86_64_ (4 CPU) 15:28:32 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:12 43.10 14.87 26.13 2.11 861.14 5609.73 35896.84 15:50:22 28.21 0.86 23.96 3.39 28.64 4075.30 11154.34 Average: 35.67 7.88 25.05 2.75 445.58 4843.80 23546.26 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:12 10145532 14046136 1910276 11.67 140876 3858948 2511816 14.42 825420 4987940 30540 15:50:22 7873992 13008412 2939100 17.95 183732 4958836 3092056 17.75 1150952 6836344 124508 Average: 9009762 13527274 2424688 14.81 162304 4408892 2801936 16.08 988186 5912142 77524 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:12 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 15:40:12 ens3 140.85 107.86 1134.91 22.32 0.00 0.00 0.00 0.00 15:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:22 lo 1647.59 1647.59 1570.95 1570.95 0.00 0.00 0.00 0.00 15:50:22 ens3 81.44 61.98 420.78 17.33 0.00 0.00 0.00 0.00 15:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 823.11 823.11 784.23 784.23 0.00 0.00 0.00 0.00 Average: ens3 111.19 84.96 778.44 19.83 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-23697) 06/04/26 _x86_64_ (4 CPU) 15:28:32 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:12 all 59.58 0.10 2.39 3.75 0.11 34.07 15:40:12 0 60.37 0.06 2.32 2.15 0.11 34.98 15:40:12 1 57.20 0.01 2.23 7.17 0.11 33.29 15:40:12 2 59.03 0.03 2.48 2.39 0.11 35.95 15:40:12 3 61.72 0.30 2.55 3.30 0.11 32.03 15:50:22 all 69.22 0.00 2.80 0.29 0.13 27.56 15:50:22 0 68.28 0.00 2.62 0.20 0.13 28.77 15:50:22 1 69.39 0.00 2.80 0.54 0.13 27.14 15:50:22 2 68.41 0.00 3.20 0.31 0.13 27.96 15:50:22 3 70.81 0.00 2.57 0.12 0.13 26.37 Average: all 64.39 0.05 2.59 2.03 0.12 30.82 Average: 0 64.32 0.03 2.47 1.18 0.12 31.88 Average: 1 63.28 0.00 2.51 3.86 0.12 30.22 Average: 2 63.70 0.02 2.84 1.35 0.12 31.97 Average: 3 66.26 0.15 2.56 1.71 0.12 29.20