---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11976 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 698 10561 4 4729 14948 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:0f:61:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84633sec preferred_lft 84633sec inet6 fe80::f816:3eff:fe0f:61d8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:e7:03:1e:20:45 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-11976) 05/08/26 _x86_64_ (4 CPU) 10:13:59 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:34 16.82 0.73 14.41 1.68 26.64 3274.66 2252.20 10:40:00 19.04 0.42 15.08 3.54 14.39 2266.59 3223.42 Average: 17.87 0.59 14.73 2.56 20.85 2798.67 2710.79 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:34 9243620 13310684 2643200 16.14 162032 3967120 3038596 17.44 748312 5917772 85644 10:40:00 10887356 15369888 581824 3.55 173316 4348252 1111372 6.38 894844 4105068 24 Average: 10065488 14340286 1612512 9.85 167674 4157686 2074984 11.91 821578 5011420 42834 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:34 lo 493.52 493.52 469.66 469.66 0.00 0.00 0.00 0.00 10:30:34 ens3 87.36 63.99 313.71 19.20 0.00 0.00 0.00 0.00 10:30:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 1205.65 1205.65 1139.69 1139.69 0.00 0.00 0.00 0.00 10:40:00 ens3 68.74 65.80 131.24 108.46 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 829.77 829.77 786.03 786.03 0.00 0.00 0.00 0.00 Average: ens3 78.57 64.84 227.55 61.35 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-11976) 05/08/26 _x86_64_ (4 CPU) 10:13:59 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:34 all 70.55 0.00 2.44 0.04 0.09 26.87 10:30:34 0 70.46 0.00 2.16 0.06 0.09 27.23 10:30:34 1 71.29 0.00 2.49 0.04 0.09 26.09 10:30:34 2 68.76 0.00 2.60 0.03 0.09 28.52 10:30:34 3 71.69 0.00 2.51 0.04 0.10 25.66 10:40:00 all 30.00 0.00 1.46 0.05 0.06 68.42 10:40:00 0 34.63 0.00 1.46 0.11 0.06 63.74 10:40:00 1 29.19 0.00 1.41 0.04 0.05 69.31 10:40:00 2 31.13 0.00 1.60 0.05 0.06 67.15 10:40:00 3 25.04 0.00 1.38 0.02 0.07 73.49 Average: all 51.40 0.00 1.98 0.05 0.08 46.50 Average: 0 53.53 0.00 1.83 0.08 0.08 44.48 Average: 1 51.40 0.00 1.98 0.04 0.07 46.51 Average: 2 51.00 0.00 2.13 0.04 0.08 46.76 Average: 3 49.66 0.00 1.98 0.03 0.08 48.25