---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28672 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 67G 15% / 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 713 9450 4 5825 14933 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:8b:bf:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84463sec preferred_lft 84463sec inet6 fe80::f816:3eff:fe8b:bf2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:32:40:ca:27:d7 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-28672) 06/19/26 _x86_64_ (4 CPU) 15:47:23 LINUX RESTART (4 CPU) 15:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:10 24.03 2.85 19.53 1.65 353.39 4826.47 4135.18 16:10:10 33.47 0.05 29.92 3.49 1.35 3240.42 16637.55 Average: 28.75 1.45 24.73 2.57 177.36 4033.39 10386.84 15:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:10 9380728 13234164 2721716 16.62 156396 3782628 2955200 16.96 766740 5807316 27848 16:10:10 8228516 12633472 3318408 20.27 187104 4257520 3462164 19.87 920752 6747412 5256 Average: 8804622 12933818 3020062 18.45 171750 4020074 3208682 18.42 843746 6277364 16552 15:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:10 lo 668.08 668.08 636.67 636.67 0.00 0.00 0.00 0.00 16:00:10 ens3 118.70 89.15 893.54 17.91 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:10 lo 1607.70 1607.70 1532.65 1532.65 0.00 0.00 0.00 0.00 16:10:10 ens3 53.66 39.24 138.13 11.04 0.00 0.00 0.00 0.00 16:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1137.92 1137.92 1084.69 1084.69 0.00 0.00 0.00 0.00 Average: ens3 86.18 64.19 515.81 14.47 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-28672) 06/19/26 _x86_64_ (4 CPU) 15:47:23 LINUX RESTART (4 CPU) 15:50:11 CPU %user %nice %system %iowait %steal %idle 16:00:10 all 57.56 0.00 2.00 0.41 0.11 39.93 16:00:10 0 58.30 0.00 1.82 0.55 0.10 39.23 16:00:10 1 59.44 0.00 2.19 0.49 0.11 37.76 16:00:10 2 57.54 0.00 2.02 0.23 0.11 40.10 16:00:10 3 54.94 0.00 1.96 0.36 0.11 42.63 16:10:10 all 56.45 0.00 2.48 0.50 0.11 40.46 16:10:10 0 55.33 0.00 2.47 0.32 0.11 41.77 16:10:10 1 54.37 0.00 2.33 0.44 0.11 42.74 16:10:10 2 58.08 0.00 2.64 0.34 0.11 38.82 16:10:10 3 58.02 0.00 2.47 0.90 0.11 38.50 Average: all 57.00 0.00 2.24 0.46 0.11 40.19 Average: 0 56.81 0.00 2.15 0.43 0.11 40.50 Average: 1 56.91 0.00 2.26 0.47 0.11 40.25 Average: 2 57.81 0.00 2.33 0.29 0.11 39.46 Average: 3 56.48 0.00 2.22 0.63 0.11 40.57