---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5569 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 12G 66G 16% / 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 645 8822 4 6521 15001 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:5c:fd:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84504sec preferred_lft 84504sec inet6 fe80::f816:3eff:fe5c:fd41/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:47:fd:8c:1f:2f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5569) 03/18/26 _x86_64_ (4 CPU) 13:25:09 LINUX RESTART (4 CPU) 13:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:06 22.43 0.14 19.57 2.72 11.26 2326.79 7185.38 13:50:20 31.60 0.03 28.47 3.10 0.62 4317.76 29847.54 Average: 27.09 0.08 24.09 2.91 5.86 3338.09 18696.49 13:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:06 9245080 12970312 2986584 18.24 140884 3696564 2999832 17.22 708672 6024348 115032 13:50:20 7806188 12425168 3526828 21.54 161368 4529364 3366232 19.32 980676 7130988 1244 Average: 8525634 12697740 3256706 19.89 151126 4112964 3183032 18.27 844674 6577668 58138 13:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:06 lo 1254.71 1254.71 1189.35 1189.35 0.00 0.00 0.00 0.00 13:40:06 ens3 30.39 25.08 104.90 7.79 0.00 0.00 0.00 0.00 13:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:20 lo 1257.51 1257.51 1193.48 1193.48 0.00 0.00 0.00 0.00 13:50:20 ens3 23.45 21.60 43.23 6.91 0.00 0.00 0.00 0.00 13:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1256.13 1256.13 1191.45 1191.45 0.00 0.00 0.00 0.00 Average: ens3 26.87 23.31 73.57 7.34 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5569) 03/18/26 _x86_64_ (4 CPU) 13:25:09 LINUX RESTART (4 CPU) 13:30:11 CPU %user %nice %system %iowait %steal %idle 13:40:06 all 66.21 0.00 2.28 0.46 0.12 30.93 13:40:06 0 68.10 0.00 2.61 0.40 0.11 28.78 13:40:06 1 66.88 0.00 2.22 0.48 0.12 30.30 13:40:06 2 65.17 0.00 2.15 0.78 0.12 31.79 13:40:06 3 64.68 0.00 2.16 0.17 0.11 32.87 13:50:20 all 59.78 0.00 2.36 0.51 0.12 37.24 13:50:20 0 59.38 0.00 2.03 0.33 0.12 38.14 13:50:20 1 60.23 0.00 2.59 0.66 0.12 36.40 13:50:20 2 60.20 0.00 2.25 0.38 0.12 37.05 13:50:20 3 59.29 0.00 2.56 0.65 0.12 37.38 Average: all 62.94 0.00 2.32 0.48 0.12 34.14 Average: 0 63.68 0.00 2.31 0.36 0.12 33.53 Average: 1 63.50 0.00 2.41 0.58 0.12 33.40 Average: 2 62.65 0.00 2.20 0.58 0.12 34.46 Average: 3 61.95 0.00 2.37 0.41 0.12 35.16