---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9978 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 642 10141 4 5205 15004 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:3c:35:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84671sec preferred_lft 84671sec inet6 fe80::f816:3eff:fe3c:35a8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:0e:4a:cc:ae:55 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-9978) 04/30/26 _x86_64_ (4 CPU) 18:47:20 LINUX RESTART (4 CPU) 18:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:10 52.07 0.67 43.43 7.97 25.12 2876.48 175733.14 19:10:01 35.72 0.16 18.29 17.27 4.91 1494.51 267793.65 Average: 43.96 0.42 30.96 12.58 15.09 2190.86 221406.29 18:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:10 9572824 12894924 3065556 18.72 151424 3305696 3349600 19.23 663672 5768124 840 19:10:01 9388484 13020412 2937592 17.94 165972 3580756 3052396 17.52 772532 5806500 33408 Average: 9480654 12957668 3001574 18.33 158698 3443226 3200998 18.37 718102 5787312 17124 18:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:10 lo 22.17 22.17 5.03 5.03 0.00 0.00 0.00 0.00 19:00:10 ens3 22.65 17.59 62.32 5.27 0.00 0.00 0.00 0.00 19:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 lo 1365.27 1365.27 1270.84 1270.84 0.00 0.00 0.00 0.00 19:10:01 ens3 33.05 24.49 276.65 4.36 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 688.51 688.51 633.02 633.02 0.00 0.00 0.00 0.00 Average: ens3 27.81 21.01 168.66 4.82 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-9978) 04/30/26 _x86_64_ (4 CPU) 18:47:20 LINUX RESTART (4 CPU) 18:50:11 CPU %user %nice %system %iowait %steal %idle 19:00:10 all 36.27 0.00 1.31 0.72 0.09 61.62 19:00:10 0 35.73 0.00 1.17 0.22 0.09 62.78 19:00:10 1 37.31 0.00 1.09 0.38 0.09 61.14 19:00:10 2 36.63 0.00 1.41 0.66 0.09 61.20 19:00:10 3 35.39 0.00 1.55 1.62 0.09 61.34 19:10:01 all 26.48 0.00 1.48 0.27 0.09 71.68 19:10:01 0 26.62 0.00 1.49 0.23 0.09 71.57 19:10:01 1 25.51 0.00 1.51 0.58 0.09 72.31 19:10:01 2 26.29 0.00 1.57 0.10 0.08 71.96 19:10:01 3 27.50 0.00 1.34 0.18 0.09 70.88 Average: all 31.41 0.00 1.39 0.50 0.09 66.61 Average: 0 31.22 0.00 1.33 0.23 0.09 67.14 Average: 1 31.46 0.00 1.30 0.48 0.09 66.68 Average: 2 31.50 0.00 1.49 0.38 0.09 66.54 Average: 3 31.48 0.00 1.45 0.91 0.09 66.07