---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20402 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 67G 15% / 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 722 9579 4 5686 14924 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:ac:30:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84565sec preferred_lft 84565sec inet6 fe80::f816:3eff:feac:3016/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:95:9b:74:9a:b8 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-20402) 05/26/26 _x86_64_ (4 CPU) 15:11:59 LINUX RESTART (4 CPU) 15:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:06 45.75 0.19 28.55 17.02 7.47 3043.66 251921.40 15:40:06 27.37 0.30 23.96 3.12 11.77 6905.49 75055.29 Average: 36.58 0.24 26.26 10.08 9.62 4971.30 163638.43 15:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:06 9310532 13356048 2598276 15.87 167740 3940708 2803720 16.09 784500 5834032 85632 15:40:06 9913840 15374736 572536 3.50 199304 5238704 1106900 6.35 922796 4971884 792 Average: 9612186 14365392 1585406 9.68 183522 4589706 1955310 11.22 853648 5402958 43212 15:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:06 lo 1641.91 1641.91 1565.33 1565.33 0.00 0.00 0.00 0.00 15:30:06 ens3 53.63 43.53 205.53 12.41 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:06 lo 314.17 314.17 295.13 295.13 0.00 0.00 0.00 0.00 15:40:06 ens3 55.49 50.18 111.20 104.08 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 979.17 979.17 931.31 931.31 0.00 0.00 0.00 0.00 Average: ens3 54.56 46.85 158.45 58.17 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-20402) 05/26/26 _x86_64_ (4 CPU) 15:11:59 LINUX RESTART (4 CPU) 15:20:04 CPU %user %nice %system %iowait %steal %idle 15:30:06 all 62.64 0.00 2.52 0.06 0.12 34.66 15:30:06 0 62.27 0.00 2.43 0.07 0.12 35.12 15:30:06 1 63.12 0.00 2.43 0.05 0.12 34.28 15:30:06 2 62.05 0.00 2.55 0.09 0.12 35.19 15:30:06 3 63.12 0.00 2.66 0.05 0.12 34.06 15:40:06 all 54.31 0.00 1.88 0.12 0.11 43.59 15:40:06 0 55.99 0.00 2.28 0.20 0.11 41.43 15:40:06 1 49.67 0.00 1.63 0.08 0.10 48.52 15:40:06 2 54.70 0.00 1.82 0.13 0.10 43.24 15:40:06 3 56.88 0.00 1.78 0.07 0.11 41.15 Average: all 58.48 0.00 2.20 0.09 0.11 39.12 Average: 0 59.13 0.00 2.35 0.13 0.11 38.27 Average: 1 56.39 0.00 2.03 0.07 0.11 41.40 Average: 2 58.38 0.00 2.19 0.11 0.11 39.21 Average: 3 60.00 0.00 2.22 0.06 0.11 37.61