---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26503 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: 5599.94 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 644 9952 4 5392 15002 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:f1:3a:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84532sec preferred_lft 84532sec inet6 fe80::f816:3eff:fef1:3af7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:f3:70:b8:10:46 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-26503) 06/10/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:19 10.56 0.01 9.07 1.47 0.16 752.33 29835.52 18:50:01 54.52 0.62 34.03 19.87 20.59 6777.36 282041.96 Average: 32.20 0.31 21.36 10.53 10.22 3718.40 153994.56 18:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:19 9726864 13227684 2730820 16.68 159020 3459876 3042128 17.46 688640 5572380 860 18:50:01 10200916 15365988 583628 3.56 194628 5002528 1107960 6.36 1321772 4338596 424 Average: 9963890 14296836 1657224 10.12 176824 4231202 2075044 11.91 1005206 4955488 642 18:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:19 lo 54.93 54.93 13.87 13.87 0.00 0.00 0.00 0.00 18:40:19 ens3 6.59 5.37 4.10 1.67 0.00 0.00 0.00 0.00 18:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2449.74 2449.74 2355.44 2355.44 0.00 0.00 0.00 0.00 18:50:01 ens3 89.92 75.15 497.26 109.21 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1233.87 1233.87 1166.60 1166.60 0.00 0.00 0.00 0.00 Average: ens3 47.61 39.72 246.88 54.61 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-26503) 06/10/26 _x86_64_ (4 CPU) 18:21:29 LINUX RESTART (4 CPU) 18:30:19 CPU %user %nice %system %iowait %steal %idle 18:40:19 all 16.00 0.00 0.80 0.06 0.08 83.07 18:40:19 0 15.87 0.00 0.73 0.02 0.08 83.31 18:40:19 1 16.40 0.00 0.84 0.07 0.08 82.61 18:40:19 2 15.62 0.00 0.76 0.04 0.08 83.50 18:40:19 3 16.09 0.00 0.86 0.11 0.08 82.87 18:50:01 all 52.52 0.00 2.72 0.14 0.09 44.54 18:50:01 0 53.30 0.00 2.48 0.07 0.09 44.06 18:50:01 1 52.59 0.00 2.97 0.15 0.09 44.20 18:50:01 2 51.31 0.00 2.88 0.19 0.09 45.54 18:50:01 3 52.87 0.00 2.54 0.15 0.09 44.35 Average: all 33.95 0.00 1.74 0.10 0.08 64.13 Average: 0 34.28 0.00 1.59 0.04 0.08 64.01 Average: 1 34.21 0.00 1.89 0.11 0.08 63.71 Average: 2 33.16 0.00 1.81 0.11 0.08 64.84 Average: 3 34.15 0.00 1.68 0.13 0.08 63.96