---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26170 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 679 10494 4 4815 14967 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:9d:5d:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fe9d:5d4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:27:e8:f9:3e:9d 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-26170) 06/09/26 _x86_64_ (4 CPU) 11:13:40 LINUX RESTART (4 CPU) 11:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:02 13.35 1.93 10.55 0.86 124.11 2827.93 1702.32 11:40:02 27.43 0.78 23.18 3.48 27.96 4155.65 4133.41 Average: 20.39 1.35 16.87 2.17 76.03 3491.79 2917.87 11:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:02 10446948 13802716 2157004 13.17 131408 3345636 2542864 14.60 557896 4977680 25556 11:40:02 8885788 13348148 2603156 15.90 165944 4337528 3098500 17.79 858524 6146532 2216 Average: 9666368 13575432 2380080 14.54 148676 3841582 2820682 16.19 708210 5562106 13886 11:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:02 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 11:30:02 ens3 98.01 76.65 644.59 18.44 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:02 lo 1619.16 1619.16 1543.45 1543.45 0.00 0.00 0.00 0.00 11:40:02 ens3 82.69 63.69 427.65 17.15 0.00 0.00 0.00 0.00 11:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 810.15 810.15 771.78 771.78 0.00 0.00 0.00 0.00 Average: ens3 90.35 70.17 536.12 17.80 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-26170) 06/09/26 _x86_64_ (4 CPU) 11:13:40 LINUX RESTART (4 CPU) 11:20:02 CPU %user %nice %system %iowait %steal %idle 11:30:02 all 56.71 0.00 1.85 0.12 0.09 41.24 11:30:02 0 56.70 0.00 2.04 0.18 0.09 40.98 11:30:02 1 55.64 0.00 1.83 0.07 0.09 42.38 11:30:02 2 58.17 0.00 1.78 0.10 0.09 39.86 11:30:02 3 56.34 0.00 1.74 0.11 0.09 41.73 11:40:02 all 69.53 0.00 2.67 0.06 0.12 27.63 11:40:02 0 66.47 0.00 2.89 0.08 0.12 30.44 11:40:02 1 70.63 0.00 2.38 0.03 0.12 26.84 11:40:02 2 69.84 0.00 2.55 0.05 0.12 27.44 11:40:02 3 71.20 0.00 2.85 0.06 0.12 25.78 Average: all 63.12 0.00 2.26 0.09 0.10 34.44 Average: 0 61.59 0.00 2.47 0.13 0.10 35.71 Average: 1 63.12 0.00 2.10 0.05 0.10 34.62 Average: 2 63.99 0.00 2.17 0.08 0.10 33.66 Average: 3 63.76 0.00 2.29 0.08 0.10 33.76