---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31124 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 15% / 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 670 9799 4 5519 14976 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:48:8e:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84295sec preferred_lft 84295sec inet6 fe80::f816:3eff:fe48:8e78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:73:88:9f:27:4e 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-31124) 06/27/26 _x86_64_ (4 CPU) 18:21:33 LINUX RESTART (4 CPU) 18:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:21 44.40 0.03 37.62 6.74 0.67 1647.88 125535.30 18:50:21 26.97 0.16 22.89 3.92 4.91 2334.35 23011.58 Average: 35.69 0.10 30.26 5.33 2.79 1990.98 74294.37 18:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:21 9304056 12879096 3079064 18.81 156724 3540240 3358416 19.28 739820 5932320 76 18:50:21 8604380 12741152 3213544 19.63 175392 4044960 3340748 19.18 885588 6454104 133104 Average: 8954218 12810124 3146304 19.22 166058 3792600 3349582 19.23 812704 6193212 66590 18:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:21 lo 36.24 36.24 8.60 8.60 0.00 0.00 0.00 0.00 18:40:21 ens3 13.51 11.39 14.58 4.01 0.00 0.00 0.00 0.00 18:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:21 lo 1685.09 1685.09 1585.66 1585.66 0.00 0.00 0.00 0.00 18:50:21 ens3 59.17 42.07 280.46 11.23 0.00 0.00 0.00 0.00 18:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 860.33 860.33 796.81 796.81 0.00 0.00 0.00 0.00 Average: ens3 36.33 26.73 147.47 7.62 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-31124) 06/27/26 _x86_64_ (4 CPU) 18:21:33 LINUX RESTART (4 CPU) 18:30:21 CPU %user %nice %system %iowait %steal %idle 18:40:21 all 29.54 0.00 1.20 0.32 0.09 68.85 18:40:21 0 28.34 0.00 0.99 0.09 0.08 70.50 18:40:21 1 29.13 0.00 1.31 0.53 0.09 68.94 18:40:21 2 29.21 0.00 1.30 0.32 0.09 69.08 18:40:21 3 31.48 0.00 1.22 0.34 0.09 66.87 18:50:21 all 41.09 0.00 2.05 0.36 0.10 56.41 18:50:21 0 40.83 0.00 2.29 0.47 0.14 56.27 18:50:21 1 41.53 0.00 2.15 0.44 0.09 55.80 18:50:21 2 41.35 0.00 2.11 0.06 0.08 56.40 18:50:21 3 40.65 0.00 1.64 0.45 0.09 57.17 Average: all 35.31 0.00 1.63 0.34 0.09 62.63 Average: 0 34.59 0.00 1.64 0.28 0.11 63.38 Average: 1 35.32 0.00 1.73 0.48 0.09 62.37 Average: 2 35.28 0.00 1.70 0.19 0.09 62.74 Average: 3 36.06 0.00 1.43 0.40 0.09 62.03