---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36881 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 703 10333 4 4951 14943 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:70:4f:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84013sec preferred_lft 84013sec inet6 fe80::f816:3eff:fe70:4f1d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:81:de:7d:dc:fb 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-36881) 07/18/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 10.49 1.99 8.04 0.46 127.96 2254.49 1384.31 09:40:07 11.42 0.77 9.57 1.08 28.10 2157.61 2776.52 Average: 10.96 1.36 8.82 0.78 77.03 2205.08 2094.38 09:20:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10483812 13801336 2159328 13.19 125832 3325508 2489960 14.29 587772 4932856 31192 09:40:07 9057456 13288508 2664276 16.27 161628 4124240 2792872 16.03 779208 6039064 296964 Average: 9770634 13544922 2411802 14.73 143730 3724874 2641416 15.16 683490 5485960 164078 09:20:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 09:30:01 ens3 74.32 58.76 629.14 11.55 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:07 lo 92.48 92.48 87.00 87.00 0.00 0.00 0.00 0.00 09:40:07 ens3 93.33 69.31 331.12 24.76 0.00 0.00 0.00 0.00 09:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 47.50 47.50 44.40 44.40 0.00 0.00 0.00 0.00 Average: ens3 84.02 64.14 477.14 18.29 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-36881) 07/18/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:20 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 38.08 0.00 1.19 0.45 0.10 60.17 09:30:01 0 37.48 0.00 1.09 0.04 0.10 61.29 09:30:01 1 38.17 0.00 1.39 1.44 0.11 58.88 09:30:01 2 37.58 0.00 0.93 0.25 0.10 61.13 09:30:01 3 39.10 0.00 1.36 0.08 0.10 59.37 09:40:07 all 70.70 0.00 2.31 0.05 0.15 26.79 09:40:07 0 67.82 0.00 2.18 0.05 0.15 29.81 09:40:07 1 74.33 0.00 2.41 0.04 0.15 23.06 09:40:07 2 68.44 0.00 2.25 0.07 0.15 29.07 09:40:07 3 72.21 0.00 2.41 0.03 0.15 25.20 Average: all 54.71 0.00 1.76 0.25 0.13 43.16 Average: 0 52.93 0.00 1.64 0.05 0.12 45.25 Average: 1 56.62 0.00 1.91 0.73 0.13 40.61 Average: 2 53.31 0.00 1.60 0.16 0.13 44.80 Average: 3 55.97 0.00 1.89 0.05 0.13 41.96