---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32935 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 10G 68G 13% / 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 679 10924 4 4385 14967 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:08:73:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84561sec preferred_lft 84561sec inet6 fe80::f816:3eff:fe08:73d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:88:59:7d:26:76 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-32935) 07/04/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:08 49.39 2.57 28.10 18.72 142.11 3714.33 262911.06 21:20:09 40.53 0.30 33.30 6.93 11.75 3994.54 20819.62 Average: 44.96 1.44 30.70 12.83 76.94 3854.42 141874.41 21:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:08 10528336 13836764 2122840 12.97 149616 3283224 2396936 13.76 553460 4915312 32796 21:20:09 11270988 15397924 555832 3.39 200528 3982188 1111136 6.38 790640 3838140 4 Average: 10899662 14617344 1339336 8.18 175072 3632706 1754036 10.07 672050 4376726 16400 21:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:08 lo 2819.27 2819.27 2688.44 2688.44 0.00 0.00 0.00 0.00 21:10:08 ens3 128.39 99.22 784.02 23.91 0.00 0.00 0.00 0.00 21:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:09 lo 3500.31 3500.31 3330.35 3330.35 0.00 0.00 0.00 0.00 21:20:09 ens3 110.08 91.45 114.92 89.07 0.00 0.00 0.00 0.00 21:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3159.77 3159.77 3009.37 3009.37 0.00 0.00 0.00 0.00 Average: ens3 119.23 95.33 449.49 56.49 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-32935) 07/04/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:08 CPU %user %nice %system %iowait %steal %idle 21:10:08 all 49.75 0.00 2.94 0.09 0.08 47.14 21:10:08 0 49.73 0.00 2.99 0.05 0.07 47.17 21:10:08 1 49.51 0.00 2.79 0.08 0.07 47.54 21:10:08 2 49.45 0.00 2.93 0.15 0.08 47.38 21:10:08 3 50.31 0.00 3.05 0.09 0.08 46.48 21:20:09 all 53.23 0.00 3.47 0.10 0.08 43.12 21:20:09 0 51.57 0.00 3.20 0.06 0.08 45.09 21:20:09 1 54.21 0.00 3.73 0.11 0.08 41.87 21:20:09 2 55.81 0.00 3.41 0.07 0.08 40.63 21:20:09 3 51.33 0.00 3.52 0.17 0.08 44.89 Average: all 51.49 0.00 3.20 0.10 0.08 45.13 Average: 0 50.65 0.00 3.09 0.05 0.08 46.13 Average: 1 51.86 0.00 3.26 0.09 0.08 44.71 Average: 2 52.63 0.00 3.17 0.11 0.08 44.00 Average: 3 50.82 0.00 3.28 0.13 0.08 45.68