---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6300 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 68G 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 677 10492 4 4818 14969 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:f6:b7:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84670sec preferred_lft 84670sec inet6 fe80::f816:3eff:fef6:b738/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:ed:89:ae:2d:dd 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-6300) 04/21/26 _x86_64_ (4 CPU) 20:03:32 LINUX RESTART (4 CPU) 20:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 10.86 0.46 9.31 1.09 16.96 5495.14 3152.33 20:30:13 28.66 0.73 23.91 4.02 24.91 3667.02 3261.27 Average: 19.99 0.60 16.80 2.59 21.04 4556.94 3208.24 20:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9796704 13430552 2526072 15.43 148240 3583544 2792712 16.03 674708 5493164 20368 20:30:13 10801516 15376260 573984 3.51 173292 4439104 1113724 6.39 927272 4151352 72 Average: 10299110 14403406 1550028 9.47 160766 4011324 1953218 11.21 800990 4822258 10220 20:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 1.44 1.44 0.15 0.15 0.00 0.00 0.00 0.00 20:20:01 ens3 77.69 56.83 102.60 17.33 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 1620.89 1620.89 1537.64 1537.64 0.00 0.00 0.00 0.00 20:30:13 ens3 93.59 81.69 397.25 105.89 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 832.55 832.55 789.19 789.19 0.00 0.00 0.00 0.00 Average: ens3 85.85 69.59 253.82 62.78 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-6300) 04/21/26 _x86_64_ (4 CPU) 20:03:32 LINUX RESTART (4 CPU) 20:10:20 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 71.87 0.00 2.33 0.17 0.17 25.45 20:20:01 0 69.61 0.00 1.92 0.08 0.14 28.25 20:20:01 1 70.32 0.00 2.33 0.19 0.15 27.01 20:20:01 2 72.90 0.00 2.61 0.03 0.24 24.23 20:20:01 3 74.68 0.00 2.48 0.38 0.15 22.32 20:30:13 all 47.45 0.00 2.24 0.12 0.11 50.08 20:30:13 0 46.04 0.00 2.11 0.15 0.11 51.59 20:30:13 1 47.94 0.00 2.27 0.05 0.11 49.63 20:30:13 2 47.61 0.00 2.16 0.16 0.11 49.95 20:30:13 3 48.19 0.00 2.44 0.13 0.11 49.13 Average: all 59.34 0.00 2.29 0.14 0.14 38.09 Average: 0 57.52 0.00 2.02 0.12 0.12 40.22 Average: 1 58.83 0.00 2.30 0.12 0.13 38.62 Average: 2 59.93 0.00 2.38 0.10 0.17 37.42 Average: 3 61.08 0.00 2.46 0.25 0.13 36.08