---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1547 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 10G 68G 13% / 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 622 10933 4 4433 15024 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:f9:87:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84581sec preferred_lft 84581sec inet6 fe80::f816:3eff:fef9:8767/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:d8:37:c0:24:ba 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-1547) 08/02/26 _x86_64_ (4 CPU) 16:33:44 LINUX RESTART (4 CPU) 16:40:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:05 7.55 1.97 5.43 0.15 127.73 1397.11 144.43 17:00:05 37.67 12.30 10.48 14.89 148.53 2321.96 240071.75 Average: 22.92 7.24 8.01 7.67 138.35 1869.16 122606.31 16:40:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:05 11077328 14224132 1738076 10.62 121008 3181396 2288140 13.13 493496 4461160 37372 17:00:05 9577184 13453988 2501032 15.28 153836 3796752 2854740 16.39 702568 5660432 28052 Average: 10327256 13839060 2119554 12.95 137422 3489074 2571440 14.76 598032 5060796 32712 16:40:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:05 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 16:50:05 ens3 65.74 54.42 718.90 8.33 0.00 0.00 0.00 0.00 16:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:05 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 17:00:05 ens3 69.24 54.23 102.58 17.16 0.00 0.00 0.00 0.00 17:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.85 0.85 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 67.53 54.32 404.33 12.84 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-1547) 08/02/26 _x86_64_ (4 CPU) 16:33:44 LINUX RESTART (4 CPU) 16:40:30 CPU %user %nice %system %iowait %steal %idle 16:50:05 all 11.55 0.00 0.47 0.07 0.03 87.89 16:50:05 0 12.34 0.00 0.54 0.05 0.02 87.05 16:50:05 1 11.69 0.00 0.44 0.02 0.03 87.82 16:50:05 2 11.53 0.00 0.41 0.01 0.03 88.01 16:50:05 3 10.63 0.00 0.49 0.18 0.03 88.67 17:00:05 all 72.63 0.07 2.27 0.11 0.11 24.80 17:00:05 0 71.36 0.00 2.06 0.13 0.11 26.34 17:00:05 1 75.62 0.14 2.48 0.14 0.12 21.50 17:00:05 2 72.83 0.05 2.13 0.08 0.12 24.79 17:00:05 3 70.71 0.09 2.43 0.09 0.11 26.56 Average: all 42.68 0.03 1.39 0.09 0.07 55.74 Average: 0 42.42 0.00 1.31 0.09 0.07 56.11 Average: 1 44.25 0.07 1.48 0.08 0.07 54.05 Average: 2 42.81 0.02 1.29 0.05 0.08 55.76 Average: 3 41.23 0.04 1.48 0.14 0.07 57.04