---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29539 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 670 10279 4 5039 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:e8:19:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84800sec preferred_lft 84800sec inet6 fe80::f816:3eff:fee8:19a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:87:de:9d:36:12 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-29539) 06/22/26 _x86_64_ (4 CPU) 15:28:21 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:11 35.48 3.28 17.73 14.48 558.90 4725.66 243369.81 15:50:10 31.12 0.79 26.80 3.53 23.85 4111.53 6402.20 Average: 33.32 2.05 22.23 9.05 293.52 4421.05 125833.67 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:11 9764904 13377848 2580564 15.76 141696 3584784 2834124 16.27 712580 5483184 13504 15:50:10 8487164 13239688 2709608 16.55 174804 4605008 2834212 16.27 1022088 6369760 45940 Average: 9126034 13308768 2645086 16.16 158250 4094896 2834168 16.27 867334 5926472 29722 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:11 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 15:40:11 ens3 113.76 87.61 806.51 21.49 0.00 0.00 0.00 0.00 15:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:10 lo 1702.19 1702.19 1622.89 1622.89 0.00 0.00 0.00 0.00 15:50:10 ens3 78.47 59.19 426.02 15.55 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 844.97 844.97 805.02 805.02 0.00 0.00 0.00 0.00 Average: ens3 96.25 73.51 617.79 18.54 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-29539) 06/22/26 _x86_64_ (4 CPU) 15:28:21 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:11 all 64.60 0.00 2.25 0.10 0.12 32.93 15:40:11 0 66.51 0.00 2.19 0.05 0.12 31.13 15:40:11 1 65.41 0.00 2.26 0.07 0.13 32.14 15:40:11 2 63.20 0.00 2.42 0.08 0.12 34.18 15:40:11 3 63.27 0.00 2.16 0.20 0.12 34.26 15:50:10 all 69.50 0.00 2.79 0.05 0.12 27.54 15:50:10 0 69.95 0.00 2.73 0.04 0.12 27.17 15:50:10 1 70.42 0.00 2.95 0.05 0.13 26.46 15:50:10 2 68.93 0.00 2.65 0.04 0.13 28.26 15:50:10 3 68.68 0.00 2.84 0.08 0.12 28.27 Average: all 67.03 0.00 2.52 0.08 0.12 30.26 Average: 0 68.22 0.00 2.46 0.05 0.12 29.16 Average: 1 67.89 0.00 2.60 0.06 0.13 29.32 Average: 2 66.04 0.00 2.53 0.06 0.13 31.24 Average: 3 65.95 0.00 2.50 0.14 0.12 31.29