---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9877 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 66G 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 680 9343 4 5965 14965 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:0f:4a:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84443sec preferred_lft 84443sec inet6 fe80::f816:3eff:fe0f:4a15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:03:9e:b5:8b:f9 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-9877) 04/30/26 _x86_64_ (4 CPU) 10:14:15 LINUX RESTART (4 CPU) 10:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:07 20.88 0.32 17.26 3.30 12.94 2447.92 42180.93 10:40:01 22.66 0.16 19.04 3.47 4.91 1816.53 26709.28 Average: 21.76 0.24 18.14 3.38 8.97 2135.87 34534.54 10:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:07 9500892 13033528 2924588 17.86 131352 3522352 3205320 18.40 706256 5767324 356 10:40:01 9172340 13116016 2838352 17.34 151600 3883504 2983244 17.12 844768 5924096 27588 Average: 9336616 13074772 2881470 17.60 141476 3702928 3094282 17.76 775512 5845710 13972 10:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:07 lo 31.01 31.01 7.23 7.23 0.00 0.00 0.00 0.00 10:30:07 ens3 21.03 17.00 41.00 5.00 0.00 0.00 0.00 0.00 10:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1344.60 1344.60 1256.63 1256.63 0.00 0.00 0.00 0.00 10:40:01 ens3 44.78 33.05 269.70 8.77 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 Average: lo 680.21 680.21 624.71 624.71 0.00 0.00 0.00 0.00 Average: ens3 32.77 24.93 154.02 6.86 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-9877) 04/30/26 _x86_64_ (4 CPU) 10:14:15 LINUX RESTART (4 CPU) 10:20:00 CPU %user %nice %system %iowait %steal %idle 10:30:07 all 32.63 0.00 1.15 0.35 0.10 65.76 10:30:07 0 31.87 0.00 1.22 0.20 0.09 66.62 10:30:07 1 32.93 0.00 1.13 0.39 0.10 65.46 10:30:07 2 32.91 0.00 1.22 0.55 0.10 65.22 10:30:07 3 32.83 0.00 1.04 0.27 0.10 65.76 10:40:01 all 33.69 0.00 1.74 0.16 0.10 64.33 10:40:01 0 33.65 0.00 1.86 0.08 0.09 64.31 10:40:01 1 33.97 0.00 1.56 0.10 0.10 64.27 10:40:01 2 35.33 0.00 1.81 0.22 0.10 62.53 10:40:01 3 31.79 0.00 1.71 0.23 0.09 66.19 Average: all 33.15 0.00 1.44 0.26 0.10 65.05 Average: 0 32.75 0.00 1.54 0.14 0.09 65.48 Average: 1 33.44 0.00 1.34 0.25 0.10 64.87 Average: 2 34.10 0.00 1.51 0.39 0.10 63.89 Average: 3 32.32 0.00 1.37 0.25 0.09 65.97