---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29186 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 683 10416 4 4889 14963 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:bd:73:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84838sec preferred_lft 84838sec inet6 fe80::f816:3eff:febd:73df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:2e:ca:20:b7:7f 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-29186) 06/21/26 _x86_64_ (4 CPU) 14:38:19 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:10 31.90 2.83 14.94 14.14 161.13 4121.69 237634.91 15:00:09 32.33 0.78 28.29 3.25 27.28 3474.44 6737.70 Average: 32.12 1.81 21.56 8.74 94.74 3800.64 123104.53 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:10 10637492 13956520 2003464 12.24 131600 3311540 2296908 13.18 556392 4784604 16256 15:00:09 8934252 13165404 2786440 17.02 170860 4104340 3409460 19.57 798436 6173240 2444 Average: 9785872 13560962 2394952 14.63 151230 3707940 2853184 16.38 677414 5478922 9350 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:10 lo 1.18 1.18 0.12 0.12 0.00 0.00 0.00 0.00 14:50:10 ens3 99.31 76.30 667.03 19.11 0.00 0.00 0.00 0.00 14:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:09 lo 1503.84 1503.84 1433.45 1433.45 0.00 0.00 0.00 0.00 15:00:09 ens3 87.18 63.18 402.00 17.68 0.00 0.00 0.00 0.00 15:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.54 746.54 711.08 711.08 0.00 0.00 0.00 0.00 Average: ens3 93.29 69.79 535.57 18.40 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-29186) 06/21/26 _x86_64_ (4 CPU) 14:38:19 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:10 all 55.88 0.00 2.05 0.06 0.10 41.90 14:50:10 0 55.02 0.00 2.12 0.04 0.10 42.71 14:50:10 1 55.93 0.00 2.06 0.10 0.10 41.81 14:50:10 2 58.44 0.00 2.20 0.07 0.10 39.20 14:50:10 3 54.15 0.00 1.84 0.04 0.10 43.88 15:00:09 all 70.76 0.00 2.69 0.06 0.11 26.37 15:00:09 0 69.55 0.00 2.88 0.06 0.11 27.40 15:00:09 1 69.41 0.00 2.49 0.07 0.11 27.92 15:00:09 2 73.79 0.00 2.50 0.03 0.11 23.57 15:00:09 3 70.30 0.00 2.90 0.09 0.11 26.60 Average: all 63.26 0.00 2.37 0.06 0.10 34.20 Average: 0 62.23 0.00 2.50 0.05 0.10 35.12 Average: 1 62.61 0.00 2.27 0.09 0.10 34.93 Average: 2 66.05 0.00 2.35 0.05 0.10 31.45 Average: 3 62.16 0.00 2.36 0.07 0.10 35.31