---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30915 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 68G 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 10492 4 4813 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:7b:18:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84324sec preferred_lft 84324sec inet6 fe80::f816:3eff:fe7b:1882/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:b9:f2:9a:26:f2 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-30915) 06/26/26 _x86_64_ (4 CPU) 21:22:38 LINUX RESTART (4 CPU) 21:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:10 11.73 1.93 9.17 0.64 124.11 2546.69 1826.92 21:50:01 23.38 0.78 19.68 2.92 28.34 3197.55 9702.97 Average: 17.51 1.36 14.38 1.77 76.61 2869.52 5733.48 21:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:10 10668152 13936224 2024456 12.36 129652 3266232 2577692 14.80 542084 4790340 23940 21:50:01 8910400 13107376 2845244 17.38 165808 4082176 3115844 17.88 768160 6235720 94052 Average: 9789276 13521800 2434850 14.87 147730 3674204 2846768 16.34 655122 5513030 58996 21:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:10 lo 0.90 0.90 0.09 0.09 0.00 0.00 0.00 0.00 21:40:10 ens3 80.26 67.54 611.27 15.33 0.00 0.00 0.00 0.00 21:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:01 lo 1254.37 1254.37 1195.65 1195.65 0.00 0.00 0.00 0.00 21:50:01 ens3 89.91 64.41 335.22 18.08 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 622.63 622.63 593.10 593.10 0.00 0.00 0.00 0.00 Average: ens3 85.05 65.99 474.35 16.69 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-30915) 06/26/26 _x86_64_ (4 CPU) 21:22:38 LINUX RESTART (4 CPU) 21:30:11 CPU %user %nice %system %iowait %steal %idle 21:40:10 all 47.33 0.00 1.61 0.04 0.07 50.95 21:40:10 0 47.59 0.00 1.43 0.01 0.07 50.90 21:40:10 1 46.59 0.00 1.72 0.03 0.08 51.58 21:40:10 2 46.94 0.00 1.71 0.08 0.07 51.21 21:40:10 3 48.19 0.00 1.58 0.05 0.07 50.11 21:50:01 all 68.87 0.00 2.70 0.05 0.09 28.28 21:50:01 0 67.11 0.00 2.52 0.08 0.09 30.19 21:50:01 1 68.92 0.00 2.68 0.03 0.10 28.27 21:50:01 2 70.19 0.00 2.66 0.06 0.09 27.00 21:50:01 3 69.25 0.00 2.94 0.04 0.09 27.67 Average: all 58.00 0.00 2.15 0.05 0.08 39.72 Average: 0 57.26 0.00 1.97 0.05 0.08 40.64 Average: 1 57.66 0.00 2.20 0.03 0.09 40.02 Average: 2 58.46 0.00 2.18 0.07 0.08 39.22 Average: 3 58.63 0.00 2.26 0.04 0.08 38.99