---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15797 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 12G 66G 16% / 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 683 8995 4 6309 14962 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:21:36:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84638sec preferred_lft 84638sec inet6 fe80::f816:3eff:fe21:36f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:04:dc:d7:20:fd 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-15797) 05/16/26 _x86_64_ (4 CPU) 17:29:20 LINUX RESTART (4 CPU) 17:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 45.46 4.63 39.45 1.37 461.80 4856.31 3052.57 17:50:03 19.21 0.18 5.38 13.65 5.46 2565.25 242265.66 Average: 32.29 2.40 22.36 7.53 232.94 3707.30 123021.92 17:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 10439228 13698244 2262916 13.82 123200 3284548 2529948 14.52 647236 4915572 19476 17:50:03 9362556 13361740 2595000 15.85 135116 3977144 2876724 16.51 928772 5686324 196 Average: 9900892 13529992 2428958 14.84 129158 3630846 2703336 15.52 788004 5300948 9836 17:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 9.08 9.08 1.34 1.34 0.00 0.00 0.00 0.00 17:40:01 ens3 104.65 82.25 772.19 66.02 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:03 lo 17.61 17.61 7.11 7.11 0.00 0.00 0.00 0.00 17:50:03 ens3 51.34 45.90 29.48 404.26 0.00 0.00 0.00 0.00 17:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 13.36 13.36 4.23 4.23 0.00 0.00 0.00 0.00 Average: ens3 77.92 64.02 399.71 235.65 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-15797) 05/16/26 _x86_64_ (4 CPU) 17:29:20 LINUX RESTART (4 CPU) 17:30:03 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 51.77 0.00 1.66 0.31 0.08 46.18 17:40:01 0 51.40 0.00 1.65 0.12 0.08 46.75 17:40:01 1 53.94 0.00 2.00 0.43 0.08 43.54 17:40:01 2 51.98 0.00 1.53 0.53 0.08 45.88 17:40:01 3 49.75 0.00 1.46 0.15 0.08 48.56 17:50:03 all 42.19 0.00 1.50 0.06 0.08 56.17 17:50:03 0 40.98 0.00 1.53 0.08 0.08 57.32 17:50:03 1 40.63 0.00 1.33 0.05 0.08 57.91 17:50:03 2 44.37 0.00 1.71 0.07 0.08 53.76 17:50:03 3 42.77 0.00 1.42 0.06 0.09 55.67 Average: all 46.97 0.00 1.58 0.19 0.08 51.19 Average: 0 46.17 0.00 1.59 0.10 0.08 52.06 Average: 1 47.27 0.00 1.66 0.24 0.08 50.74 Average: 2 48.16 0.00 1.62 0.30 0.08 49.84 Average: 3 46.25 0.00 1.44 0.10 0.08 52.12