---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37396 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 67G 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 633 10255 4 5100 15013 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:28:df:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fe28:df65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:8b:c1:fe:8c:e7 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-37396) 07/20/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 47.05 10.34 22.60 14.11 1596.31 5054.48 240801.09 17:30:07 3.83 0.07 3.62 0.14 6.48 565.56 23.27 Average: 25.36 5.18 13.08 7.10 798.59 2802.08 119986.45 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10506928 13660460 2302268 14.06 114460 3198096 2706976 15.54 545200 4972180 26244 17:30:07 10024444 13364996 2596416 15.86 120384 3364052 2830788 16.25 585848 5391040 51472 Average: 10265686 13512728 2449342 14.96 117422 3281074 2768882 15.89 565524 5181610 38858 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.51 0.51 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 111.78 85.46 996.66 15.38 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:07 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 17:30:07 ens3 9.33 7.75 47.72 1.73 0.00 0.00 0.00 0.00 17:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 60.37 46.47 520.51 8.53 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-37396) 07/20/26 _x86_64_ (4 CPU) 17:09:29 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 38.15 0.00 1.16 1.74 0.08 58.87 17:20:01 0 39.80 0.00 1.25 3.40 0.08 55.47 17:20:01 1 34.83 0.00 0.96 0.30 0.07 63.83 17:20:01 2 36.75 0.00 1.07 0.68 0.08 61.41 17:20:01 3 41.21 0.00 1.37 2.58 0.09 54.76 17:30:07 all 48.38 0.00 0.61 0.02 0.08 50.91 17:30:07 0 37.37 0.00 0.66 0.01 0.07 61.89 17:30:07 1 45.48 0.00 0.65 0.02 0.07 53.77 17:30:07 2 46.31 0.00 0.51 0.02 0.07 53.09 17:30:07 3 64.39 0.00 0.63 0.02 0.09 34.87 Average: all 43.29 0.00 0.89 0.88 0.08 54.87 Average: 0 38.58 0.00 0.95 1.70 0.08 58.69 Average: 1 40.19 0.00 0.80 0.16 0.07 58.77 Average: 2 41.55 0.00 0.79 0.35 0.07 57.24 Average: 3 52.85 0.00 1.00 1.29 0.09 44.77