---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12016 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 691 10571 4 4727 14955 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:3f:76:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84594sec preferred_lft 84594sec inet6 fe80::f816:3eff:fe3f:765f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:fa:d7:ae:3f:d2 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-12016) 05/08/26 _x86_64_ (4 CPU) 12:20:43 LINUX RESTART (4 CPU) 12:30:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:03 28.24 0.81 23.74 3.68 29.42 3309.32 14468.30 12:50:10 9.07 0.41 7.28 1.38 16.05 1688.17 392.78 Average: 18.36 0.61 15.26 2.49 22.53 2473.76 7213.65 12:30:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:03 8939024 13283228 2669360 16.30 164892 4231032 2760328 15.84 848356 6101784 307180 12:50:10 10902600 15386140 565756 3.46 172456 4349504 1070404 6.14 902660 4077284 14596 Average: 9920812 14334684 1617558 9.88 168674 4290268 1915366 10.99 875508 5089534 160888 12:30:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:03 lo 1672.80 1672.80 1594.77 1594.77 0.00 0.00 0.00 0.00 12:40:03 ens3 99.82 74.81 431.30 19.96 0.00 0.00 0.00 0.00 12:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:10 lo 111.23 111.23 92.56 92.56 0.00 0.00 0.00 0.00 12:50:10 ens3 69.42 70.98 49.67 179.81 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 867.95 867.95 820.52 820.52 0.00 0.00 0.00 0.00 Average: ens3 84.15 72.84 234.60 102.35 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-12016) 05/08/26 _x86_64_ (4 CPU) 12:20:43 LINUX RESTART (4 CPU) 12:30:31 CPU %user %nice %system %iowait %steal %idle 12:40:03 all 67.99 0.00 2.80 0.26 0.11 28.84 12:40:03 0 68.68 0.00 2.71 0.33 0.11 28.17 12:40:03 1 68.10 0.00 2.72 0.35 0.11 28.73 12:40:03 2 67.40 0.00 3.17 0.18 0.11 29.14 12:40:03 3 67.79 0.00 2.60 0.19 0.11 29.31 12:50:10 all 18.88 0.00 0.72 0.05 0.05 80.30 12:50:10 0 17.68 0.00 0.75 0.11 0.05 81.41 12:50:10 1 18.61 0.00 0.73 0.05 0.05 80.56 12:50:10 2 24.59 0.00 0.84 0.02 0.05 74.49 12:50:10 3 14.64 0.00 0.57 0.02 0.05 84.73 Average: all 42.66 0.00 1.73 0.15 0.08 55.39 Average: 0 42.40 0.00 1.70 0.21 0.08 55.61 Average: 1 42.56 0.00 1.69 0.19 0.08 55.47 Average: 2 45.31 0.00 1.97 0.10 0.08 52.54 Average: 3 40.35 0.00 1.55 0.10 0.08 57.92