---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31838 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 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 721 9568 4 5699 14925 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:44:7f:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84312sec preferred_lft 84312sec inet6 fe80::f816:3eff:fe44:7fde/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:0a:b7:14:10:27 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-31838) 06/30/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:19 26.66 0.58 23.45 2.62 21.74 4006.04 13733.94 13:00:03 25.84 0.05 23.25 2.53 1.67 3656.74 12813.25 13:10:01 18.62 0.32 15.28 3.02 14.23 4919.13 2460.27 Average: 23.72 0.32 20.67 2.72 12.74 4196.20 9688.76 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:19 9268256 13185556 2769868 16.92 159888 3834068 3015544 17.31 733208 5940344 112236 13:00:03 7468292 12702000 3247536 19.83 190116 5052524 3455064 19.83 1031220 7365004 717136 13:10:01 9840976 15319112 627780 3.83 207108 5246720 1143000 6.56 939572 5045564 11364 Average: 8859175 13735556 2215061 13.53 185704 4711104 2537869 14.57 901333 6116971 280245 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:19 lo 1264.83 1264.83 1205.87 1205.87 0.00 0.00 0.00 0.00 12:50:19 ens3 71.93 54.76 320.39 14.68 0.00 0.00 0.00 0.00 12:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 955.46 955.46 910.24 910.24 0.00 0.00 0.00 0.00 13:00:03 ens3 52.05 40.06 239.01 11.17 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 11.53 11.53 1.21 1.21 0.00 0.00 0.00 0.00 13:10:01 ens3 64.97 66.08 25.18 227.91 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.99 747.99 709.64 709.64 0.00 0.00 0.00 0.00 Average: ens3 63.17 53.75 195.89 84.41 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-31838) 06/30/26 _x86_64_ (4 CPU) 12:35:30 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:19 all 64.68 0.00 2.35 0.07 0.11 32.79 12:50:19 0 61.61 0.00 2.31 0.08 0.10 35.90 12:50:19 1 66.51 0.00 2.63 0.09 0.10 30.67 12:50:19 2 66.24 0.00 2.27 0.06 0.11 31.33 12:50:19 3 64.36 0.00 2.20 0.07 0.11 33.26 13:00:03 all 45.37 0.00 1.97 6.01 0.11 46.53 13:00:03 0 42.14 0.00 1.96 13.47 0.11 42.31 13:00:03 1 44.38 0.00 2.09 2.97 0.11 50.46 13:00:03 2 45.25 0.00 1.69 2.84 0.11 50.10 13:00:03 3 49.72 0.00 2.15 4.76 0.12 43.25 13:10:01 all 37.98 0.00 1.37 6.32 0.09 54.23 13:10:01 0 39.97 0.00 1.31 6.83 0.09 51.80 13:10:01 1 40.82 0.00 1.71 9.70 0.10 47.67 13:10:01 2 33.86 0.00 1.43 3.77 0.09 60.85 13:10:01 3 37.28 0.00 1.03 4.97 0.10 56.62 Average: all 49.54 0.00 1.90 4.08 0.10 44.38 Average: 0 48.10 0.00 1.86 6.67 0.10 43.27 Average: 1 50.79 0.00 2.15 4.22 0.10 42.74 Average: 2 48.67 0.00 1.80 2.19 0.10 47.24 Average: 3 50.60 0.00 1.80 3.22 0.11 44.27