---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25094 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 12G 66G 16% / 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 648 9105 4 6235 14998 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:00:86:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:fe00:8664/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:03:50:b4:34:09 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-25094) 06/05/26 _x86_64_ (4 CPU) 12:39:42 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:15 13.21 6.54 6.46 0.20 1373.19 4329.51 953.51 13:00:01 41.91 4.75 36.24 0.92 279.71 4412.17 1505.33 Average: 27.21 5.67 20.99 0.55 839.90 4369.82 1222.63 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:15 13639720 15522748 494104 3.02 55552 2053084 1153500 6.62 257836 2222120 132 13:00:01 10361496 13645136 2316724 14.15 116432 3319796 2954976 16.96 542596 5122888 157436 Average: 12000608 14583942 1405414 8.58 85992 2686440 2054238 11.79 400216 3672504 78784 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:15 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 12:50:15 ens3 38.09 25.11 124.17 3.36 0.00 0.00 0.00 0.00 12:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 96.93 96.93 91.84 91.84 0.00 0.00 0.00 0.00 13:00:01 ens3 124.69 90.78 1183.01 16.62 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 47.39 47.39 44.80 44.80 0.00 0.00 0.00 0.00 Average: ens3 80.32 57.14 640.57 9.83 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-25094) 06/05/26 _x86_64_ (4 CPU) 12:39:42 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:15 all 0.65 0.00 0.20 0.14 0.01 99.00 12:50:15 0 0.42 0.00 0.13 0.06 0.01 99.38 12:50:15 1 0.66 0.00 0.22 0.14 0.01 98.98 12:50:15 2 0.67 0.00 0.16 0.16 0.02 98.99 12:50:15 3 0.84 0.00 0.29 0.21 0.01 98.64 13:00:01 all 23.55 0.00 1.05 0.24 0.05 75.12 13:00:01 0 24.03 0.00 1.20 0.39 0.04 74.33 13:00:01 1 22.76 0.00 1.15 0.07 0.05 75.97 13:00:01 2 22.52 0.00 0.85 0.39 0.05 76.19 13:00:01 3 24.88 0.00 1.00 0.11 0.05 73.97 Average: all 11.81 0.00 0.62 0.19 0.03 87.36 Average: 0 11.93 0.00 0.65 0.22 0.03 87.17 Average: 1 11.42 0.00 0.67 0.11 0.03 87.77 Average: 2 11.31 0.00 0.50 0.27 0.03 87.88 Average: 3 12.56 0.00 0.64 0.16 0.03 86.61