---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17431 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 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 10468 4 4855 14981 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:93:cc:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84876sec preferred_lft 84876sec inet6 fe80::f816:3eff:fe93:cc7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:3d:69:8c:a3:60 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-17431) 05/21/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:30 22.82 2.84 18.53 1.45 162.89 4814.88 2695.69 15:00:05 48.17 1.12 28.39 18.66 36.73 4787.09 258070.40 Average: 34.95 2.02 23.25 9.68 102.53 4801.58 124868.15 14:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:30 10458484 13873112 2086084 12.74 137108 3394264 2387020 13.70 584144 4938460 30020 15:00:05 10805752 15416728 534428 3.26 170940 4468076 1099876 6.31 910724 4150140 216 Average: 10632118 14644920 1310256 8.00 154024 3931170 1743448 10.01 747434 4544300 15118 14:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:30 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 14:50:30 ens3 124.65 95.26 771.75 22.47 0.00 0.00 0.00 0.00 14:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:05 lo 1492.17 1492.17 1417.97 1417.97 0.00 0.00 0.00 0.00 15:00:05 ens3 97.12 79.09 451.98 80.60 0.00 0.00 0.00 0.00 15:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 714.58 714.58 678.44 678.44 0.00 0.00 0.00 0.00 Average: ens3 111.48 87.52 618.77 50.28 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-17431) 05/21/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:02 CPU %user %nice %system %iowait %steal %idle 14:50:30 all 67.10 0.00 2.24 0.12 0.13 30.41 14:50:30 0 63.66 0.00 1.84 0.03 0.13 34.35 14:50:30 1 68.13 0.00 2.64 0.14 0.13 28.96 14:50:30 2 69.82 0.00 2.37 0.27 0.13 27.41 14:50:30 3 66.82 0.00 2.11 0.02 0.13 30.92 15:00:05 all 63.92 0.00 2.69 0.11 0.13 33.16 15:00:05 0 61.83 0.00 2.85 0.16 0.13 35.04 15:00:05 1 64.19 0.00 2.48 0.13 0.13 33.07 15:00:05 2 63.33 0.00 2.49 0.10 0.13 33.95 15:00:05 3 66.31 0.00 2.93 0.07 0.13 30.56 Average: all 65.58 0.00 2.45 0.12 0.13 31.72 Average: 0 62.78 0.00 2.32 0.09 0.13 34.68 Average: 1 66.25 0.00 2.56 0.13 0.13 30.93 Average: 2 66.71 0.00 2.42 0.19 0.13 30.54 Average: 3 66.58 0.00 2.50 0.05 0.13 30.75