---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28326 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: 5600.00 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 623 10467 4 4898 15023 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:8f:45:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84751sec preferred_lft 84751sec inet6 fe80::f816:3eff:fe8f:45c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:dc:93:f5:17:fe 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-28326) 06/18/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 3.51 0.07 3.26 0.18 7.09 488.20 155.00 10:20:00 31.01 12.38 17.25 1.37 150.40 2259.57 6046.25 Average: 17.26 6.23 10.25 0.78 78.75 1373.89 3100.63 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 10561876 13659332 2303620 14.07 115772 3136784 2779724 15.96 506744 4950732 27152 10:20:00 8814052 12649292 3308560 20.21 137424 3802996 3364456 19.31 757476 6377012 263792 Average: 9687964 13154312 2806090 17.14 126598 3469890 3072090 17.63 632110 5663872 145472 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:00 ens3 10.93 8.61 36.69 2.59 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 486.93 486.93 464.05 464.05 0.00 0.00 0.00 0.00 10:20:00 ens3 34.92 26.92 412.99 3.69 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 243.77 243.77 232.21 232.21 0.00 0.00 0.00 0.00 Average: ens3 22.93 17.76 224.84 3.14 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-28326) 06/18/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 48.15 0.00 0.70 0.02 0.08 51.05 10:10:00 0 48.83 0.00 0.64 0.00 0.08 50.45 10:10:00 1 54.87 0.00 0.67 0.01 0.08 44.38 10:10:00 2 41.01 0.00 0.67 0.02 0.07 58.23 10:10:00 3 47.91 0.00 0.84 0.04 0.08 51.13 10:20:00 all 56.12 0.08 1.33 0.11 0.09 42.28 10:20:00 0 66.65 0.00 1.37 0.06 0.09 31.83 10:20:00 1 47.69 0.00 1.12 0.07 0.08 51.04 10:20:00 2 48.35 0.00 1.40 0.03 0.09 50.13 10:20:00 3 61.81 0.31 1.44 0.27 0.09 36.09 Average: all 52.13 0.04 1.02 0.06 0.08 46.67 Average: 0 57.74 0.00 1.00 0.03 0.09 41.14 Average: 1 51.28 0.00 0.89 0.04 0.08 47.70 Average: 2 44.68 0.00 1.03 0.02 0.08 54.18 Average: 3 54.86 0.15 1.14 0.15 0.09 43.61