---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26730 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: 5599.99 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 631 10393 4 4964 15014 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:27:1b:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84829sec preferred_lft 84829sec inet6 fe80::f816:3eff:fe27:1b0b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:a7:e9:20:d6:b8 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-26730) 06/12/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:12 4.49 0.11 4.18 0.20 9.15 765.66 179.55 00:50:08 22.46 0.81 19.65 2.01 30.43 4248.01 16160.23 Average: 13.35 0.45 11.81 1.09 19.65 2483.85 8064.42 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:12 9723636 12832892 3129944 19.12 115556 3147760 3426624 19.67 500552 5805456 1208 00:50:08 10670460 15394024 562296 3.43 138172 4676824 1108600 6.36 892360 4369504 650452 Average: 10197048 14113458 1846120 11.28 126864 3912292 2267612 13.02 696456 5087480 325830 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:12 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 00:40:12 ens3 12.43 9.49 35.34 2.68 0.00 0.00 0.00 0.00 00:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 532.34 532.34 507.24 507.24 0.00 0.00 0.00 0.00 00:50:08 ens3 59.30 40.83 532.70 7.40 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 262.96 262.96 250.46 250.46 0.00 0.00 0.00 0.00 Average: ens3 35.56 24.95 280.74 5.01 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-26730) 06/12/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:12 all 49.87 0.00 0.69 0.02 0.07 49.35 00:40:12 0 63.91 0.00 0.72 0.01 0.08 35.29 00:40:12 1 48.29 0.00 0.55 0.01 0.07 51.08 00:40:12 2 42.15 0.00 0.68 0.02 0.07 57.07 00:40:12 3 45.16 0.00 0.80 0.05 0.08 53.91 00:50:08 all 57.80 0.00 1.44 0.10 0.08 40.58 00:50:08 0 49.27 0.00 1.47 0.14 0.08 49.03 00:50:08 1 65.50 0.00 1.49 0.03 0.07 32.91 00:50:08 2 60.32 0.00 1.54 0.11 0.08 37.94 00:50:08 3 56.11 0.00 1.25 0.13 0.07 42.43 Average: all 53.78 0.00 1.06 0.06 0.08 45.02 Average: 0 56.69 0.00 1.09 0.08 0.08 42.07 Average: 1 56.78 0.00 1.01 0.02 0.07 42.12 Average: 2 51.10 0.00 1.10 0.07 0.08 47.66 Average: 3 50.57 0.00 1.03 0.09 0.08 48.24