---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37785 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 720 10217 4 5051 14926 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:4e:e6:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fe4e:e656/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:3c:c0:3d:67:59 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-37785) 07/22/26 _x86_64_ (4 CPU) 15:26:33 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 16.07 2.16 12.89 1.01 150.85 6159.24 27455.05 15:50:02 22.33 0.77 19.04 2.52 27.88 3152.12 3263.34 Average: 19.20 1.46 15.97 1.77 89.33 4654.80 15352.15 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10546216 14043960 1914744 11.69 132712 3486792 2325188 13.35 563060 4885664 24320 15:50:02 8921844 13271564 2679424 16.36 168728 4228608 2813608 16.15 783724 6183656 13104 Average: 9734030 13657762 2297084 14.03 150720 3857700 2569398 14.75 673392 5534660 18712 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 15:40:01 ens3 113.24 83.27 962.24 16.37 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:02 lo 1102.40 1102.40 1050.44 1050.44 0.00 0.00 0.00 0.00 15:50:02 ens3 91.71 64.61 331.18 19.47 0.00 0.00 0.00 0.00 15:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 551.99 551.99 525.57 525.57 0.00 0.00 0.00 0.00 Average: ens3 102.47 73.94 646.53 17.92 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-37785) 07/22/26 _x86_64_ (4 CPU) 15:26:33 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 47.08 0.00 1.67 0.90 0.11 50.24 15:40:01 0 45.60 0.00 1.47 0.72 0.10 52.10 15:40:01 1 47.72 0.00 1.79 1.19 0.11 49.18 15:40:01 2 47.54 0.00 1.74 0.62 0.11 49.99 15:40:01 3 47.47 0.00 1.68 1.07 0.10 49.68 15:50:02 all 69.70 0.00 2.67 0.36 0.16 27.12 15:50:02 0 68.06 0.00 2.36 0.11 0.16 29.33 15:50:02 1 67.16 0.00 2.93 0.70 0.17 29.04 15:50:02 2 74.02 0.00 2.73 0.21 0.16 22.88 15:50:02 3 69.55 0.00 2.65 0.42 0.16 27.23 Average: all 58.40 0.00 2.17 0.63 0.13 38.67 Average: 0 56.84 0.00 1.91 0.41 0.13 40.70 Average: 1 57.45 0.00 2.36 0.95 0.14 39.11 Average: 2 60.78 0.00 2.23 0.41 0.14 36.44 Average: 3 58.52 0.00 2.16 0.74 0.13 38.44