---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28428 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 639 10046 4 5302 15007 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:1c:43:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84849sec preferred_lft 84849sec inet6 fe80::f816:3eff:fe1c:43ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:19:ca:b2:c4:cc 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-28428) 06/18/26 _x86_64_ (4 CPU) 17:09:30 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 52.39 10.42 40.69 1.28 1771.39 5628.85 4072.89 17:30:02 3.92 0.24 3.53 0.15 11.85 616.62 144.92 Average: 28.12 5.32 22.08 0.71 890.38 3119.21 2106.14 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10254684 13633388 2327716 14.22 118676 3414948 2608280 14.97 646060 5128812 7768 17:30:02 9954264 13528544 2431216 14.85 125256 3588200 2724964 15.64 692004 5357908 25036 Average: 10104474 13580966 2379466 14.53 121966 3501574 2666622 15.31 669032 5243360 16402 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 125.19 92.82 1148.60 16.27 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 17:30:02 lo 0.79 0.79 0.38 0.38 0.00 0.00 0.00 0.00 17:30:02 ens3 10.89 9.00 61.23 1.82 0.00 0.00 0.00 0.00 17:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 67.96 50.85 604.15 9.03 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-28428) 06/18/26 _x86_64_ (4 CPU) 17:09:30 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 46.79 0.00 1.42 0.37 0.08 51.33 17:20:01 0 52.34 0.00 1.32 0.17 0.09 46.09 17:20:01 1 46.23 0.00 1.41 0.45 0.09 51.83 17:20:01 2 48.87 0.00 1.80 0.25 0.09 48.99 17:20:01 3 39.75 0.00 1.15 0.61 0.08 58.42 17:30:02 all 48.04 0.00 0.64 0.02 0.08 51.21 17:30:02 0 54.22 0.00 0.65 0.02 0.07 45.03 17:30:02 1 37.56 0.00 0.56 0.01 0.07 61.79 17:30:02 2 59.45 0.00 0.71 0.04 0.08 39.71 17:30:02 3 40.93 0.00 0.65 0.03 0.07 58.32 Average: all 47.42 0.00 1.03 0.20 0.08 51.27 Average: 0 53.28 0.00 0.98 0.10 0.08 45.56 Average: 1 41.89 0.00 0.99 0.23 0.08 56.82 Average: 2 54.17 0.00 1.26 0.14 0.09 44.34 Average: 3 40.34 0.00 0.90 0.32 0.07 58.37