---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1851 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 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 662 10415 4 4910 14983 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:92:12:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83279sec preferred_lft 83279sec inet6 fe80::f816:3eff:fe92:1292/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:5b:1f:25:26:0c 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-1851) 08/03/26 _x86_64_ (4 CPU) 22:26:03 LINUX RESTART (4 CPU) 22:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 1.89 0.04 1.83 0.02 1.96 32.32 0.74 22:50:01 1.78 0.01 1.77 0.00 0.29 30.34 0.00 23:00:12 27.58 2.02 11.77 13.79 128.72 2771.73 239020.20 23:10:01 31.38 0.94 26.21 4.24 33.90 3777.28 4755.54 Average: 15.67 0.76 10.35 4.56 41.73 1651.83 62129.40 22:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 13053528 15520576 454204 2.77 97924 2558388 994964 5.71 338620 2652280 96 22:50:01 13039916 15508788 465880 2.85 99320 2558652 994964 5.71 340020 2657188 212 23:00:12 10661200 14047500 1911936 11.68 133920 3372104 2176772 12.49 574340 4739640 47516 23:10:01 10726368 15394636 556476 3.40 174060 4518028 1104468 6.34 916824 4225476 359732 Average: 11870253 15117875 847124 5.17 126306 3251793 1317792 7.56 542451 3568646 101889 22:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 22:40:01 ens3 8.74 6.88 109.45 0.83 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:50:01 ens3 10.40 8.44 130.47 0.90 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:12 lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 23:00:12 ens3 105.74 85.72 650.53 19.17 0.00 0.00 0.00 0.00 23:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 1575.35 1575.35 1501.81 1501.81 0.00 0.00 0.00 0.00 23:10:01 ens3 98.33 74.06 465.25 19.48 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 387.92 387.92 369.51 369.51 0.00 0.00 0.00 0.00 Average: ens3 55.94 43.91 340.25 10.11 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-1851) 08/03/26 _x86_64_ (4 CPU) 22:26:03 LINUX RESTART (4 CPU) 22:30:06 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 0.22 0.00 0.04 0.01 0.03 99.70 22:40:01 0 0.04 0.00 0.04 0.03 0.03 99.87 22:40:01 1 0.33 0.00 0.08 0.00 0.03 99.56 22:40:01 2 0.47 0.00 0.04 0.01 0.04 99.44 22:40:01 3 0.03 0.00 0.02 0.00 0.01 99.94 22:50:01 all 0.14 0.00 0.04 0.01 0.03 99.79 22:50:01 0 0.23 0.00 0.05 0.03 0.02 99.67 22:50:01 1 0.25 0.00 0.07 0.00 0.03 99.64 22:50:01 2 0.03 0.00 0.03 0.00 0.04 99.90 22:50:01 3 0.03 0.00 0.02 0.00 0.02 99.92 23:00:12 all 55.73 0.00 1.75 0.06 0.08 42.38 23:00:12 0 55.69 0.00 1.88 0.13 0.08 42.22 23:00:12 1 56.24 0.00 1.62 0.03 0.08 42.03 23:00:12 2 53.88 0.00 1.70 0.04 0.08 44.30 23:00:12 3 57.10 0.00 1.81 0.04 0.08 40.97 23:10:01 all 68.34 0.00 2.65 0.07 0.10 28.85 23:10:01 0 68.59 0.00 2.51 0.06 0.10 28.75 23:10:01 1 68.98 0.00 2.92 0.08 0.10 27.92 23:10:01 2 68.30 0.00 2.47 0.05 0.09 29.08 23:10:01 3 67.49 0.00 2.68 0.08 0.10 29.65 Average: all 31.07 0.00 1.12 0.04 0.06 67.72 Average: 0 31.11 0.00 1.12 0.06 0.06 67.65 Average: 1 31.42 0.00 1.17 0.03 0.06 67.33 Average: 2 30.63 0.00 1.05 0.02 0.06 68.23 Average: 3 31.13 0.00 1.13 0.03 0.05 67.66