---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39865 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 12G 66G 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 670 9258 4 6060 14975 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:7a:2c:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84473sec preferred_lft 84473sec inet6 fe80::f816:3eff:fe7a:2c31/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:27:1a:7d:02:18 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39865) 08/22/26 _x86_64_ (4 CPU) 01:07:45 LINUX RESTART (4 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:09 24.25 2.56 18.67 3.02 147.82 3609.87 32742.92 01:30:08 16.37 0.18 13.82 2.37 5.14 1612.21 30160.49 Average: 20.29 1.36 16.23 2.70 76.10 2605.74 31444.86 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:09 9251568 12755636 3203556 19.57 129204 3495444 3424068 19.65 661360 6061872 368 01:30:08 9038148 13036040 2919384 17.83 151876 3930724 3191708 18.32 797632 6107004 104140 Average: 9144858 12895838 3061470 18.70 140540 3713084 3307888 18.99 729496 6084438 52254 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:09 lo 17.22 17.22 3.74 3.74 0.00 0.00 0.00 0.00 01:20:09 ens3 72.87 59.42 688.25 12.06 0.00 0.00 0.00 0.00 01:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:08 lo 813.27 813.27 742.42 742.42 0.00 0.00 0.00 0.00 01:30:08 ens3 38.55 27.20 255.00 6.19 0.00 0.00 0.00 0.00 01:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 417.36 417.36 375.04 375.04 0.00 0.00 0.00 0.00 Average: ens3 55.62 43.22 470.48 9.11 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39865) 08/22/26 _x86_64_ (4 CPU) 01:07:45 LINUX RESTART (4 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:09 all 32.79 0.00 1.22 0.12 0.08 65.80 01:20:09 0 30.92 0.00 1.10 0.05 0.08 67.84 01:20:09 1 33.88 0.00 1.30 0.12 0.08 64.62 01:20:09 2 33.49 0.00 1.14 0.20 0.08 65.10 01:20:09 3 32.87 0.00 1.34 0.09 0.08 65.62 01:30:08 all 25.26 0.00 1.38 0.05 0.08 73.23 01:30:08 0 24.55 0.00 1.42 0.09 0.08 73.86 01:30:08 1 25.13 0.00 1.31 0.03 0.08 73.45 01:30:08 2 25.97 0.00 1.40 0.04 0.08 72.51 01:30:08 3 25.39 0.00 1.37 0.06 0.09 73.10 Average: all 29.01 0.00 1.30 0.08 0.08 69.53 Average: 0 27.72 0.00 1.26 0.07 0.08 70.87 Average: 1 29.49 0.00 1.31 0.07 0.08 69.06 Average: 2 29.71 0.00 1.27 0.12 0.08 68.82 Average: 3 29.12 0.00 1.35 0.07 0.08 69.37