---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39204 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 68G 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 678 10483 4 4827 14968 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:21:4c:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84768sec preferred_lft 84768sec inet6 fe80::f816:3eff:fe21:4c3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:7b:47:d9:17:50 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-39204) 07/27/26 _x86_64_ (4 CPU) 00:28:49 LINUX RESTART (4 CPU) 00:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:07 40.18 2.92 22.89 14.37 166.17 4211.23 249737.18 00:50:01 26.80 0.79 22.77 3.24 28.32 3282.28 10761.72 Average: 33.45 1.85 22.83 8.77 96.77 3743.53 129420.38 00:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:07 10630112 13913016 2047832 12.51 127696 3283472 2465420 14.15 545940 4823728 24488 00:50:01 9333888 13465344 2487296 15.19 164220 4020336 2638820 15.15 768120 5784256 8812 Average: 9982000 13689180 2267564 13.85 145958 3651904 2552120 14.65 657030 5303992 16650 00:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:07 lo 1.00 1.00 0.10 0.10 0.00 0.00 0.00 0.00 00:40:07 ens3 102.61 79.92 766.51 17.53 0.00 0.00 0.00 0.00 00:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 1551.77 1551.77 1479.40 1479.40 0.00 0.00 0.00 0.00 00:50:01 ens3 93.82 67.35 340.06 19.29 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 781.76 781.76 744.88 744.88 0.00 0.00 0.00 0.00 Average: ens3 98.18 73.59 551.81 18.42 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-39204) 07/27/26 _x86_64_ (4 CPU) 00:28:49 LINUX RESTART (4 CPU) 00:30:20 CPU %user %nice %system %iowait %steal %idle 00:40:07 all 47.20 0.00 1.58 0.11 0.09 51.02 00:40:07 0 48.88 0.00 1.70 0.08 0.08 49.26 00:40:07 1 46.10 0.00 1.46 0.21 0.09 52.15 00:40:07 2 47.50 0.00 1.71 0.08 0.08 50.64 00:40:07 3 46.32 0.00 1.45 0.09 0.09 52.05 00:50:01 all 69.53 0.00 2.76 0.06 0.11 27.55 00:50:01 0 66.70 0.00 2.42 0.06 0.11 30.72 00:50:01 1 68.25 0.00 2.48 0.07 0.11 29.10 00:50:01 2 70.73 0.00 3.25 0.06 0.11 25.84 00:50:01 3 72.44 0.00 2.87 0.04 0.11 24.54 Average: all 58.44 0.00 2.17 0.08 0.10 39.21 Average: 0 57.84 0.00 2.06 0.07 0.10 39.93 Average: 1 57.25 0.00 1.97 0.14 0.10 40.54 Average: 2 59.19 0.00 2.48 0.07 0.10 38.16 Average: 3 59.46 0.00 2.17 0.06 0.10 38.20