---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65969 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 13G 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 678 8701 4 6609 14968 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:ad:57:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84375sec preferred_lft 84375sec inet6 fe80::f816:3eff:fead:57b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:f8:70:20:8d:c2 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-65969) 04/02/26 _x86_64_ (4 CPU) 07:50:18 LINUX RESTART (4 CPU) 08:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 21.93 0.02 19.60 2.31 0.24 2007.42 21244.15 08:20:04 20.76 0.03 18.89 1.84 0.72 3705.54 16253.74 Average: 21.34 0.03 19.24 2.07 0.48 2861.33 18734.68 08:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 9127668 12975716 2980116 18.20 149584 3801176 3172880 18.21 765580 6074744 30180 08:20:04 5787968 10490140 5462224 33.36 161396 4609932 5151708 29.57 1021540 9088320 29856 Average: 7457818 11732928 4221170 25.78 155490 4205554 4162294 23.89 893560 7581532 30018 08:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 1113.83 1113.83 1061.09 1061.09 0.00 0.00 0.00 0.00 08:10:01 ens3 21.93 19.61 36.54 6.09 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:04 lo 884.61 884.61 5281.94 5281.94 0.00 0.00 0.00 0.00 08:20:04 ens3 13.81 11.87 13.81 4.34 0.00 0.00 0.00 0.00 08:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 998.57 998.57 3183.58 3183.58 0.00 0.00 0.00 0.00 Average: ens3 17.85 15.72 25.11 5.21 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-65969) 04/02/26 _x86_64_ (4 CPU) 07:50:18 LINUX RESTART (4 CPU) 08:00:04 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 67.79 0.00 2.41 0.05 0.09 29.66 08:10:01 0 66.35 0.00 2.34 0.06 0.09 31.17 08:10:01 1 67.80 0.00 2.57 0.06 0.09 29.48 08:10:01 2 68.54 0.00 2.55 0.03 0.09 28.79 08:10:01 3 68.45 0.00 2.19 0.07 0.09 29.20 08:20:04 all 49.21 0.00 1.85 0.08 0.09 48.77 08:20:04 0 46.22 0.00 1.89 0.10 0.08 51.72 08:20:04 1 53.47 0.00 1.86 0.02 0.09 44.55 08:20:04 2 44.90 0.00 1.89 0.17 0.09 52.95 08:20:04 3 52.24 0.00 1.75 0.03 0.08 45.89 Average: all 58.44 0.00 2.13 0.07 0.09 39.27 Average: 0 56.22 0.00 2.11 0.08 0.09 41.51 Average: 1 60.59 0.00 2.22 0.04 0.09 37.06 Average: 2 56.65 0.00 2.22 0.10 0.09 40.94 Average: 3 60.31 0.00 1.97 0.05 0.09 37.59