---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-957 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 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 665 10288 4 5035 14980 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:e3:6b:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84158sec preferred_lft 84158sec inet6 fe80::f816:3eff:fee3:6bb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:41:8c:bf:81:dd 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-957) 07/31/26 _x86_64_ (4 CPU) 21:12:03 LINUX RESTART (4 CPU) 21:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:01 10.56 1.93 8.23 0.40 124.27 2078.10 1104.35 21:40:05 15.94 0.77 13.76 1.42 27.76 2672.15 2367.66 Average: 13.26 1.35 11.01 0.91 75.81 2376.36 1738.64 21:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:01 10572052 13938984 2021152 12.34 126356 3375936 2488088 14.28 536892 4898796 33612 21:40:05 8641616 13070240 2880596 17.59 167532 4306228 3059496 17.56 785848 6453548 302020 Average: 9606834 13504612 2450874 14.97 146944 3841082 2773792 15.92 661370 5676172 167816 21:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:01 lo 0.59 0.59 0.06 0.06 0.00 0.00 0.00 0.00 21:30:01 ens3 74.18 59.83 681.02 11.10 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:05 lo 273.33 273.33 259.10 259.10 0.00 0.00 0.00 0.00 21:40:05 ens3 88.30 64.68 329.06 19.33 0.00 0.00 0.00 0.00 21:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 137.53 137.53 130.12 130.12 0.00 0.00 0.00 0.00 Average: ens3 81.27 62.26 504.31 15.23 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-957) 07/31/26 _x86_64_ (4 CPU) 21:12:03 LINUX RESTART (4 CPU) 21:20:01 CPU %user %nice %system %iowait %steal %idle 21:30:01 all 30.56 0.00 0.98 0.03 0.05 68.36 21:30:01 0 29.58 0.00 0.93 0.02 0.06 69.42 21:30:01 1 31.36 0.00 1.02 0.03 0.05 67.54 21:30:01 2 30.64 0.00 0.93 0.04 0.06 68.34 21:30:01 3 30.68 0.00 1.05 0.05 0.05 68.17 21:40:05 all 70.41 0.00 2.36 0.04 0.10 27.09 21:40:05 0 68.57 0.00 2.01 0.05 0.10 29.28 21:40:05 1 69.71 0.00 2.46 0.03 0.10 27.71 21:40:05 2 71.79 0.00 2.39 0.04 0.10 25.68 21:40:05 3 71.59 0.00 2.58 0.02 0.10 25.69 Average: all 50.55 0.00 1.67 0.03 0.08 47.67 Average: 0 49.13 0.00 1.47 0.03 0.08 49.28 Average: 1 50.60 0.00 1.74 0.03 0.08 47.56 Average: 2 51.25 0.00 1.66 0.04 0.08 46.97 Average: 3 51.21 0.00 1.82 0.03 0.08 46.86