---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27784 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 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 741 9710 4 5536 14905 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:90:03:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84630sec preferred_lft 84630sec inet6 fe80::f816:3eff:fe90:3e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:4d:fb:46:ee:91 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-27784) 06/16/26 _x86_64_ (4 CPU) 09:44:40 LINUX RESTART (4 CPU) 09:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:06 34.12 0.43 28.35 5.34 13.93 3641.93 5302.68 10:10:01 46.26 0.01 37.74 8.51 0.08 2919.72 9279.86 Average: 40.16 0.22 33.03 6.92 7.04 3282.36 7282.80 09:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:06 9109640 13137992 2816180 17.20 170588 3932460 3030348 17.39 721916 6102332 129020 10:10:01 8770708 13237680 2712020 16.56 208176 4286492 3185740 18.29 828568 6291764 105928 Average: 8940174 13187836 2764100 16.88 189382 4109476 3108044 17.84 775242 6197048 117474 09:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:06 lo 2593.41 2593.41 2473.30 2473.30 0.00 0.00 0.00 0.00 10:00:06 ens3 67.61 53.54 319.44 13.75 0.00 0.00 0.00 0.00 10:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 4819.78 4819.78 4595.06 4595.06 0.00 0.00 0.00 0.00 10:10:01 ens3 42.61 34.19 11.96 10.50 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3701.85 3701.85 3529.66 3529.66 0.00 0.00 0.00 0.00 Average: ens3 55.17 43.91 166.36 12.14 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-27784) 06/16/26 _x86_64_ (4 CPU) 09:44:40 LINUX RESTART (4 CPU) 09:50:06 CPU %user %nice %system %iowait %steal %idle 10:00:06 all 65.49 0.00 3.18 0.06 0.11 31.17 10:00:06 0 65.18 0.00 3.02 0.04 0.11 31.66 10:00:06 1 65.80 0.00 3.21 0.05 0.10 30.85 10:00:06 2 66.24 0.00 3.20 0.06 0.11 30.39 10:00:06 3 64.74 0.00 3.29 0.09 0.11 31.76 10:10:01 all 62.71 0.00 4.06 0.07 0.10 33.06 10:10:01 0 62.03 0.00 3.97 0.07 0.10 33.82 10:10:01 1 61.75 0.00 3.96 0.06 0.11 34.12 10:10:01 2 62.56 0.00 4.09 0.05 0.10 33.20 10:10:01 3 64.51 0.00 4.19 0.10 0.11 31.09 Average: all 64.11 0.00 3.62 0.07 0.11 32.11 Average: 0 63.61 0.00 3.49 0.06 0.11 32.74 Average: 1 63.78 0.00 3.58 0.06 0.11 32.48 Average: 2 64.41 0.00 3.64 0.06 0.10 31.79 Average: 3 64.63 0.00 3.74 0.10 0.11 31.43