---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15936 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 628 10547 4 4813 15018 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:74:89:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84899sec preferred_lft 84899sec inet6 fe80::f816:3eff:fe74:89f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:2f:b0:d3:89:f0 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-15936) 05/17/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 4.05 0.11 3.73 0.21 9.33 632.34 150.50 00:50:11 26.36 0.82 22.97 2.58 32.49 6202.44 7147.09 Average: 15.31 0.47 13.44 1.40 21.02 3444.18 3682.45 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 9879388 12894684 3069220 18.75 113448 3064084 3307704 18.99 496876 5642124 1156 00:50:11 10877216 15452828 504344 3.08 137644 4538304 1031084 5.92 886904 4173516 10180 Average: 10378302 14173756 1786782 10.91 125546 3801194 2169394 12.45 691890 4907820 5668 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 00:40:00 ens3 12.88 9.06 36.10 2.66 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:11 lo 503.56 503.56 476.62 476.62 0.00 0.00 0.00 0.00 00:50:11 ens3 68.13 52.53 509.15 83.90 0.00 0.00 0.00 0.00 00:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 254.51 254.51 240.79 240.79 0.00 0.00 0.00 0.00 Average: ens3 40.77 31.01 274.90 43.67 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-15936) 05/17/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 50.31 0.00 0.73 0.01 0.08 48.87 00:40:00 0 64.86 0.00 0.84 0.01 0.09 34.21 00:40:00 1 48.97 0.00 0.70 0.01 0.08 50.24 00:40:00 2 44.33 0.00 0.55 0.03 0.08 55.01 00:40:00 3 43.07 0.00 0.84 0.01 0.08 56.01 00:50:11 all 50.01 0.00 1.59 0.11 0.11 48.18 00:50:11 0 62.50 0.00 1.60 0.14 0.12 35.64 00:50:11 1 42.40 0.00 1.63 0.13 0.10 55.74 00:50:11 2 50.79 0.00 1.64 0.04 0.11 47.41 00:50:11 3 44.32 0.00 1.50 0.14 0.10 53.94 Average: all 50.15 0.00 1.17 0.06 0.10 48.52 Average: 0 63.67 0.00 1.22 0.07 0.10 34.93 Average: 1 45.65 0.00 1.17 0.07 0.09 53.02 Average: 2 47.59 0.00 1.10 0.04 0.09 51.17 Average: 3 43.70 0.00 1.17 0.07 0.09 54.97