---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11392 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 679 10481 4 4828 14967 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:34:87:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84626sec preferred_lft 84626sec inet6 fe80::f816:3eff:fe34:87f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:a9:7c:43:9b:b0 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-11392) 05/06/26 _x86_64_ (4 CPU) 10:57:27 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:00 46.52 4.23 40.88 1.42 261.01 5039.72 3194.05 11:20:00 23.54 0.78 20.14 2.63 28.03 3203.99 5386.59 Average: 35.03 2.50 30.51 2.02 144.52 4121.85 4290.32 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:00 10896224 14139236 1820732 11.12 128420 3251612 2108776 12.10 563876 4548044 28656 11:20:00 9110464 13297292 2654812 16.21 165800 4079308 3095096 17.77 789640 6024600 85160 Average: 10003344 13718264 2237772 13.67 147110 3665460 2601936 14.94 676758 5286322 56908 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:00 lo 0.96 0.96 0.10 0.10 0.00 0.00 0.00 0.00 11:10:00 ens3 134.19 102.78 1039.28 22.06 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 1096.73 1096.73 1045.13 1045.13 0.00 0.00 0.00 0.00 11:20:00 ens3 94.42 68.43 330.88 19.83 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 548.85 548.85 522.61 522.61 0.00 0.00 0.00 0.00 Average: ens3 114.30 85.60 685.08 20.94 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-11392) 05/06/26 _x86_64_ (4 CPU) 10:57:27 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:00 all 42.35 0.00 1.71 0.32 0.08 55.55 11:10:00 0 41.66 0.00 1.52 0.12 0.08 56.63 11:10:00 1 44.82 0.00 2.01 0.64 0.09 52.44 11:10:00 2 41.89 0.00 1.70 0.08 0.08 56.26 11:10:00 3 41.01 0.00 1.60 0.44 0.08 56.87 11:20:00 all 69.21 0.00 2.65 0.08 0.12 27.94 11:20:00 0 69.71 0.00 2.36 0.05 0.12 27.77 11:20:00 1 67.49 0.00 2.80 0.03 0.11 29.57 11:20:00 2 69.30 0.00 2.83 0.09 0.12 27.67 11:20:00 3 70.35 0.00 2.63 0.14 0.12 26.76 Average: all 55.78 0.00 2.18 0.20 0.10 41.75 Average: 0 55.68 0.00 1.94 0.08 0.10 42.20 Average: 1 56.15 0.00 2.41 0.34 0.10 41.01 Average: 2 55.59 0.00 2.26 0.08 0.10 41.96 Average: 3 55.67 0.00 2.11 0.29 0.10 41.83