---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39159 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 697 10468 4 4823 14949 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:56:42:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84746sec preferred_lft 84746sec inet6 fe80::f816:3eff:fe56:4256/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:64:71:05:1b:1b 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-39159) 07/26/26 _x86_64_ (4 CPU) 20:47:59 LINUX RESTART (4 CPU) 20:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:01 13.77 1.97 11.09 0.71 126.21 3554.82 1090.46 21:10:10 26.80 0.77 22.49 3.54 27.55 3225.44 3716.59 Average: 20.34 1.36 16.84 2.14 76.44 3388.65 2415.28 20:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 10787316 14083348 1877168 11.46 128412 3294208 2496660 14.33 543792 4666060 21488 21:10:10 8853752 13308900 2642456 16.14 165800 4331220 3387016 19.44 854616 6170260 304300 Average: 9820534 13696124 2259812 13.80 147106 3812714 2941838 16.89 699204 5418160 162894 20:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:01 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 21:00:01 ens3 92.27 71.41 653.19 16.18 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:10 lo 1581.14 1581.14 1507.19 1507.19 0.00 0.00 0.00 0.00 21:10:10 ens3 99.98 69.96 411.15 19.91 0.00 0.00 0.00 0.00 21:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 798.10 798.10 760.39 760.39 0.00 0.00 0.00 0.00 Average: ens3 96.16 70.68 531.09 18.06 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-39159) 07/26/26 _x86_64_ (4 CPU) 20:47:59 LINUX RESTART (4 CPU) 20:50:02 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 46.93 0.00 1.55 0.05 0.08 51.40 21:00:01 0 45.62 0.00 1.41 0.04 0.08 52.86 21:00:01 1 48.52 0.00 1.62 0.04 0.08 49.74 21:00:01 2 46.89 0.00 1.65 0.06 0.08 51.32 21:00:01 3 46.68 0.00 1.51 0.06 0.08 51.68 21:10:10 all 68.76 0.00 2.70 0.06 0.10 28.38 21:10:10 0 69.43 0.00 2.82 0.06 0.09 27.60 21:10:10 1 68.08 0.00 2.62 0.08 0.10 29.11 21:10:10 2 69.76 0.00 2.50 0.05 0.09 27.59 21:10:10 3 67.78 0.00 2.85 0.05 0.10 29.22 Average: all 57.94 0.00 2.13 0.06 0.09 39.79 Average: 0 57.62 0.00 2.12 0.05 0.08 40.13 Average: 1 58.38 0.00 2.13 0.06 0.09 39.34 Average: 2 58.43 0.00 2.08 0.06 0.09 39.35 Average: 3 57.32 0.00 2.19 0.05 0.09 40.35