---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19296 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 12G 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 661 9529 4 5798 14985 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:fa:40:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84740sec preferred_lft 84740sec inet6 fe80::f816:3eff:fefa:4053/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:0d:78:eb:c0:e5 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-19296) 05/23/26 _x86_64_ (4 CPU) 10:23:32 LINUX RESTART (4 CPU) 10:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:01 10.86 0.04 9.09 1.73 0.87 602.87 14073.33 10:50:10 28.01 0.65 25.12 2.25 73.92 7177.80 25111.42 Average: 19.56 0.35 17.22 1.99 37.93 3938.96 19674.01 10:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:01 9506988 13020284 2938292 17.95 127596 3515068 3200824 18.37 725244 5753624 676 10:50:10 8366948 14028100 1918264 11.72 169028 5489652 2244068 12.88 1628928 5827076 55408 Average: 8936968 13524192 2428278 14.83 148312 4502360 2722446 15.63 1177086 5790350 28042 10:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:01 lo 51.90 51.90 12.58 12.58 0.00 0.00 0.00 0.00 10:40:01 ens3 8.72 7.58 8.52 8.69 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:10 lo 939.56 939.56 911.12 911.12 0.00 0.00 0.00 0.00 10:50:10 ens3 105.68 104.12 656.26 751.18 0.00 0.00 0.00 0.00 10:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 502.29 502.29 468.50 468.50 0.00 0.00 0.00 0.00 Average: ens3 57.92 56.56 337.18 385.43 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-19296) 05/23/26 _x86_64_ (4 CPU) 10:23:32 LINUX RESTART (4 CPU) 10:30:10 CPU %user %nice %system %iowait %steal %idle 10:40:01 all 17.65 0.00 0.77 0.12 0.09 81.38 10:40:01 0 17.48 0.00 0.80 0.05 0.09 81.58 10:40:01 1 17.29 0.00 0.73 0.05 0.08 81.85 10:40:01 2 17.70 0.00 0.76 0.27 0.09 81.17 10:40:01 3 18.12 0.00 0.77 0.09 0.09 80.94 10:50:10 all 38.88 0.00 1.81 0.10 0.08 59.13 10:50:10 0 36.64 0.00 1.83 0.09 0.09 61.36 10:50:10 1 39.85 0.00 1.70 0.07 0.09 58.30 10:50:10 2 42.10 0.00 1.70 0.07 0.08 56.05 10:50:10 3 36.92 0.00 2.00 0.17 0.08 60.83 Average: all 28.42 0.00 1.29 0.11 0.09 70.09 Average: 0 27.20 0.00 1.32 0.07 0.09 71.32 Average: 1 28.74 0.00 1.22 0.06 0.08 69.89 Average: 2 30.08 0.00 1.24 0.17 0.09 68.42 Average: 3 27.66 0.00 1.39 0.13 0.09 70.73