---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6829 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 9.8G 68G 13% / 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 680 11048 4 4260 14966 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:b1:34:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84774sec preferred_lft 84774sec inet6 fe80::f816:3eff:feb1:3431/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:e7:f2:cf:62:f3 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-6829) 04/22/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 48.25 2.59 38.13 7.54 143.32 4493.81 13503.47 21:20:09 32.49 0.33 26.08 6.08 14.33 3217.97 5349.76 Average: 40.27 1.44 32.03 6.80 77.98 3847.55 9373.29 21:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10539112 13890972 2068004 12.63 157572 3311520 2223504 12.76 587348 4853536 59684 21:20:09 11394168 15397320 556952 3.40 197524 3870976 1071336 6.15 793352 3741764 12596 Average: 10966640 14644146 1312478 8.02 177548 3591248 1647420 9.46 690350 4297650 36140 21:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 4075.74 4075.74 3886.88 3886.88 0.00 0.00 0.00 0.00 21:10:01 ens3 167.17 121.65 768.23 31.69 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:09 lo 2135.91 2135.91 2021.00 2021.00 0.00 0.00 0.00 0.00 21:20:09 ens3 129.00 122.80 129.65 182.32 0.00 0.00 0.00 0.00 21:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3093.14 3093.14 2941.74 2941.74 0.00 0.00 0.00 0.00 Average: ens3 147.83 122.23 444.77 107.99 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-6829) 04/22/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:09 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 64.23 0.00 3.71 0.15 0.10 31.82 21:10:01 0 64.20 0.00 3.55 0.07 0.09 32.09 21:10:01 1 65.48 0.00 3.70 0.20 0.10 30.53 21:10:01 2 64.39 0.00 3.62 0.14 0.10 31.76 21:10:01 3 62.86 0.00 3.97 0.18 0.10 32.89 21:20:09 all 39.29 0.00 2.22 0.09 0.07 58.32 21:20:09 0 38.30 0.00 2.29 0.08 0.07 59.26 21:20:09 1 40.79 0.00 2.17 0.06 0.07 56.91 21:20:09 2 40.87 0.00 2.08 0.05 0.07 56.93 21:20:09 3 37.21 0.00 2.35 0.17 0.08 60.19 Average: all 51.59 0.00 2.96 0.12 0.08 45.25 Average: 0 51.07 0.00 2.91 0.08 0.08 45.87 Average: 1 52.95 0.00 2.92 0.13 0.08 43.91 Average: 2 52.48 0.00 2.84 0.09 0.08 44.51 Average: 3 49.86 0.00 3.15 0.18 0.09 46.72