---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25909 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 602 10329 4 5057 15043 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:39:96:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fe39:9605/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:49:55:62:02:97 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-25909) 06/08/26 _x86_64_ (4 CPU) 17:09:32 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 67.05 10.24 42.55 14.27 1398.20 7469.25 241207.82 17:30:19 3.66 0.06 3.49 0.11 6.10 529.94 14.85 Average: 34.92 5.08 22.75 7.09 692.53 3951.62 118943.85 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10857920 13977408 1985164 12.12 115300 3164088 2289060 13.14 513668 4660292 35100 17:30:19 10263128 13527320 2434224 14.87 120324 3291004 2723668 15.63 547452 5207712 25468 Average: 10560524 13752364 2209694 13.50 117812 3227546 2506364 14.39 530560 4934002 30284 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 112.33 84.03 1018.87 15.29 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:19 lo 0.52 0.52 0.36 0.36 0.00 0.00 0.00 0.00 17:30:19 ens3 5.65 4.68 18.89 1.17 0.00 0.00 0.00 0.00 17:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.52 0.52 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 58.25 43.80 511.97 8.13 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-25909) 06/08/26 _x86_64_ (4 CPU) 17:09:32 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 42.93 0.00 1.30 0.70 0.10 54.97 17:20:01 0 46.38 0.00 1.25 0.81 0.10 51.46 17:20:01 1 41.91 0.00 1.25 0.67 0.11 56.06 17:20:01 2 44.43 0.00 1.44 0.85 0.10 53.19 17:20:01 3 39.00 0.00 1.27 0.47 0.10 59.16 17:30:19 all 48.13 0.00 0.57 0.10 0.10 51.10 17:30:19 0 38.71 0.00 0.57 0.02 0.09 60.62 17:30:19 1 66.77 0.00 0.72 0.16 0.12 32.23 17:30:19 2 35.31 0.00 0.46 0.02 0.09 64.13 17:30:19 3 51.71 0.00 0.54 0.18 0.11 47.46 Average: all 45.57 0.00 0.93 0.39 0.10 53.01 Average: 0 42.49 0.00 0.90 0.41 0.09 56.11 Average: 1 54.51 0.00 0.98 0.41 0.11 43.99 Average: 2 39.80 0.00 0.94 0.43 0.09 58.74 Average: 3 45.45 0.00 0.90 0.33 0.10 53.22