---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13145 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: 5600.00 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 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 684 9310 4 5994 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:78:77:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84594sec preferred_lft 84594sec inet6 fe80::f816:3eff:fe78:77fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:24:b1:ad:f0:76 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-13145) 05/13/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:21 12.17 0.01 10.37 1.79 0.21 789.74 35079.21 05:40:20 56.30 0.60 36.59 19.11 19.97 8428.23 311163.96 Average: 33.84 0.30 23.24 10.30 9.91 4540.59 170649.59 05:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:21 9401756 13027128 2930460 17.90 134136 3606112 3299700 18.94 751344 5825752 1380 05:40:20 9599960 15380108 566636 3.46 172056 5622000 1094348 6.28 1631780 4615264 8 Average: 9500858 14203618 1748548 10.68 153096 4614056 2197024 12.61 1191562 5220508 694 05:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:21 lo 56.42 56.42 14.15 14.15 0.00 0.00 0.00 0.00 05:30:21 ens3 6.40 4.78 4.06 1.45 0.00 0.00 0.00 0.00 05:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:20 lo 2464.52 2464.52 2366.14 2366.14 0.00 0.00 0.00 0.00 05:40:20 ens3 109.63 94.99 477.28 577.91 0.00 0.00 0.00 0.00 05:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1238.91 1238.91 1169.09 1169.09 0.00 0.00 0.00 0.00 Average: ens3 57.09 49.08 236.43 284.52 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-13145) 05/13/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:00 CPU %user %nice %system %iowait %steal %idle 05:30:21 all 15.61 0.00 0.78 0.07 0.10 83.45 05:30:21 0 16.06 0.00 0.79 0.14 0.10 82.91 05:30:21 1 14.99 0.00 0.78 0.03 0.10 84.11 05:30:21 2 15.15 0.00 0.74 0.06 0.10 83.96 05:30:21 3 16.25 0.00 0.81 0.03 0.09 82.81 05:40:20 all 50.53 0.00 2.65 0.15 0.08 46.59 05:40:20 0 48.40 0.00 2.54 0.18 0.08 48.78 05:40:20 1 49.83 0.00 2.45 0.25 0.08 47.40 05:40:20 2 51.93 0.00 2.80 0.06 0.08 45.13 05:40:20 3 51.97 0.00 2.80 0.12 0.08 45.03 Average: all 32.75 0.00 1.70 0.11 0.09 65.35 Average: 0 31.94 0.00 1.65 0.16 0.09 66.16 Average: 1 32.10 0.00 1.60 0.14 0.09 66.08 Average: 2 33.20 0.00 1.75 0.06 0.09 64.90 Average: 3 33.78 0.00 1.79 0.08 0.09 64.27