---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31588 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 690 10482 4 4816 14956 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:e1:3a:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84434sec preferred_lft 84434sec inet6 fe80::f816:3eff:fee1:3afe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:e6:a0:14:f3:1b 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-31588) 06/29/26 _x86_64_ (4 CPU) 09:12:58 LINUX RESTART (4 CPU) 09:20:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:30 13.29 1.93 10.52 0.84 124.09 2819.08 2372.47 09:40:01 26.71 0.81 22.31 3.59 29.32 3246.44 4121.44 Average: 19.83 1.38 16.27 2.18 77.86 3027.55 3225.62 09:20:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:30 10728008 14081744 1878048 11.47 133272 3340568 2235868 12.83 557908 4695112 26356 09:40:01 8645780 13095460 2855920 17.44 167316 4323216 3307568 18.99 855512 6400044 303328 Average: 9686894 13588602 2366984 14.46 150294 3831892 2771718 15.91 706710 5547578 164842 09:20:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:30 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 09:30:30 ens3 97.42 77.67 597.95 18.47 0.00 0.00 0.00 0.00 09:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1646.56 1646.56 1569.25 1569.25 0.00 0.00 0.00 0.00 09:40:01 ens3 98.48 72.02 438.01 25.13 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 803.78 803.78 765.55 765.55 0.00 0.00 0.00 0.00 Average: ens3 97.94 74.91 519.93 21.72 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-31588) 06/29/26 _x86_64_ (4 CPU) 09:12:58 LINUX RESTART (4 CPU) 09:20:30 CPU %user %nice %system %iowait %steal %idle 09:30:30 all 57.89 0.00 1.92 0.10 0.10 39.98 09:30:30 0 57.43 0.00 2.05 0.18 0.10 40.25 09:30:30 1 59.23 0.00 2.05 0.12 0.10 38.49 09:30:30 2 57.96 0.00 1.85 0.07 0.10 40.02 09:30:30 3 56.95 0.00 1.73 0.05 0.09 41.17 09:40:01 all 68.60 0.00 2.83 0.06 0.13 28.38 09:40:01 0 67.96 0.00 2.72 0.06 0.13 29.14 09:40:01 1 67.64 0.00 2.81 0.04 0.13 29.39 09:40:01 2 71.85 0.00 3.11 0.08 0.13 24.83 09:40:01 3 66.96 0.00 2.68 0.05 0.13 30.18 Average: all 63.12 0.00 2.36 0.08 0.11 34.33 Average: 0 62.56 0.00 2.38 0.12 0.11 34.83 Average: 1 63.33 0.00 2.42 0.08 0.11 34.05 Average: 2 64.74 0.00 2.46 0.08 0.11 32.61 Average: 3 61.83 0.00 2.20 0.05 0.11 35.82