---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20393 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: 5599.86 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 693 10294 4 5001 14953 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:bb:8c:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84656sec preferred_lft 84656sec inet6 fe80::f816:3eff:febb:8c77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:19:3e:19:d5:60 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-20393) 05/26/26 _x86_64_ (4 CPU) 14:39:10 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 34.70 14.85 18.56 1.29 301.85 4315.43 1442.77 15:00:02 14.29 0.80 12.27 1.22 27.21 2790.37 2870.28 Average: 24.48 7.81 15.41 1.26 164.33 3551.80 2157.56 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10051512 13302260 2657756 16.23 124216 3257328 3035560 17.42 573416 5341604 57264 15:00:02 9137908 13422424 2528640 15.44 169412 4152724 2649144 15.21 834060 5911964 260244 Average: 9594710 13362342 2593198 15.84 146814 3705026 2842352 16.32 703738 5626784 158754 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 14:50:01 ens3 88.15 69.47 875.75 13.85 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 lo 201.24 201.24 190.39 190.39 0.00 0.00 0.00 0.00 15:00:02 ens3 86.72 65.81 370.58 18.85 0.00 0.00 0.00 0.00 15:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 101.16 101.16 95.37 95.37 0.00 0.00 0.00 0.00 Average: ens3 87.44 67.64 622.80 16.36 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-20393) 05/26/26 _x86_64_ (4 CPU) 14:39:10 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 33.61 0.07 1.52 0.24 0.06 64.49 14:50:01 0 31.95 0.10 1.73 0.19 0.06 65.97 14:50:01 1 33.16 0.05 1.36 0.06 0.06 65.31 14:50:01 2 35.64 0.03 1.74 0.62 0.07 61.90 14:50:01 3 33.69 0.10 1.26 0.11 0.07 64.77 15:00:02 all 70.94 0.00 2.25 0.80 0.08 25.92 15:00:02 0 71.56 0.00 2.19 0.50 0.08 25.67 15:00:02 1 69.83 0.00 2.36 2.01 0.09 25.71 15:00:02 2 71.76 0.00 2.64 0.49 0.08 25.04 15:00:02 3 70.61 0.00 1.83 0.20 0.09 27.28 Average: all 52.30 0.03 1.89 0.52 0.07 45.18 Average: 0 51.77 0.05 1.96 0.34 0.07 45.81 Average: 1 51.51 0.02 1.86 1.04 0.07 45.49 Average: 2 53.74 0.01 2.19 0.55 0.07 43.43 Average: 3 52.18 0.05 1.55 0.15 0.08 45.99