---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-494325 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: 5599.94 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 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 657 10490 4 4840 14988 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:3f:9c:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84750sec preferred_lft 84750sec inet6 fe80::f816:3eff:fe3f:9c38/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:3a:d2:fb:d5:5b 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-494325) 03/16/26 _x86_64_ (4 CPU) 18:07:21 LINUX RESTART (4 CPU) 18:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:02 8.09 0.74 6.98 0.37 45.13 1985.90 309.41 18:30:01 3.20 0.19 2.88 0.13 5.70 463.77 42.21 Average: 5.65 0.47 4.93 0.25 25.46 1226.53 176.11 18:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:02 8985692 12003612 3959124 24.18 113716 3068636 4154640 23.85 497824 6543712 248 18:30:01 10508844 13682512 2279252 13.92 118868 3207204 2426372 13.93 531780 4970076 24492 Average: 9747268 12843062 3119188 19.05 116292 3137920 3290506 18.89 514802 5756894 12370 18:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:02 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 18:20:02 ens3 21.48 16.78 197.73 3.27 0.00 0.00 0.00 0.00 18:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 18:30:01 ens3 6.64 5.94 43.83 1.31 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.57 0.57 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 14.08 11.37 120.96 2.29 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-494325) 03/16/26 _x86_64_ (4 CPU) 18:07:21 LINUX RESTART (4 CPU) 18:10:00 CPU %user %nice %system %iowait %steal %idle 18:20:02 all 51.48 0.00 0.87 0.05 0.10 47.51 18:20:02 0 53.36 0.00 0.92 0.04 0.11 45.58 18:20:02 1 54.71 0.00 0.85 0.03 0.10 44.31 18:20:02 2 53.00 0.00 0.83 0.07 0.10 46.00 18:20:02 3 44.85 0.00 0.86 0.05 0.10 54.14 18:30:01 all 51.53 0.00 0.65 0.13 0.10 47.59 18:30:01 0 42.73 0.00 0.74 0.35 0.09 56.09 18:30:01 1 53.66 0.00 0.66 0.06 0.10 45.53 18:30:01 2 63.45 0.00 0.70 0.05 0.12 35.68 18:30:01 3 46.29 0.00 0.49 0.06 0.10 53.07 Average: all 51.50 0.00 0.76 0.09 0.10 47.55 Average: 0 48.05 0.00 0.83 0.20 0.10 50.82 Average: 1 54.18 0.00 0.75 0.04 0.10 44.92 Average: 2 58.21 0.00 0.76 0.06 0.11 40.85 Average: 3 45.56 0.00 0.68 0.06 0.10 53.60