---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28897 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: 5600.00 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 623 10410 4 4955 15023 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:5d:45:0c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84876sec preferred_lft 84876sec inet6 fe80::f816:3eff:fe5d:450c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:9b:43:21:04:24 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-28897) 06/20/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 41.25 4.08 36.35 0.82 253.02 4464.55 1503.98 17:30:17 6.42 0.40 5.76 0.25 16.16 816.77 46.28 Average: 23.61 2.22 20.87 0.53 133.09 2617.59 765.91 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10795396 13836024 2127464 12.99 114164 3085912 2414072 13.86 483812 4736276 22672 17:30:17 9351808 13122892 2835972 17.32 132164 3757604 3043612 17.47 580228 6021720 509468 Average: 10073602 13479458 2481718 15.16 123164 3421758 2728842 15.66 532020 5378998 266070 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 94.25 74.10 909.10 12.86 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:17 lo 112.32 112.32 106.74 106.74 0.00 0.00 0.00 0.00 17:30:17 ens3 38.84 28.78 439.36 3.54 0.00 0.00 0.00 0.00 17:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 57.13 57.13 54.07 54.07 0.00 0.00 0.00 0.00 Average: ens3 66.19 51.15 671.26 8.14 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-28897) 06/20/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 43.60 0.00 1.16 0.31 0.08 54.85 17:20:01 0 48.20 0.00 1.19 0.25 0.08 50.29 17:20:01 1 42.17 0.00 1.08 0.06 0.08 56.62 17:20:01 2 44.51 0.00 1.12 0.55 0.08 53.75 17:20:01 3 39.54 0.00 1.26 0.38 0.08 58.74 17:30:17 all 49.07 0.00 0.77 0.04 0.08 50.04 17:30:17 0 37.88 0.00 0.75 0.04 0.07 61.26 17:30:17 1 50.97 0.00 0.72 0.02 0.08 48.21 17:30:17 2 37.69 0.00 0.72 0.04 0.07 61.48 17:30:17 3 69.79 0.00 0.91 0.08 0.08 29.13 Average: all 46.37 0.00 0.97 0.18 0.08 52.41 Average: 0 42.96 0.00 0.96 0.14 0.08 55.86 Average: 1 46.62 0.00 0.90 0.04 0.08 52.36 Average: 2 41.05 0.00 0.92 0.29 0.07 57.67 Average: 3 54.87 0.00 1.08 0.23 0.08 43.74