---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4562 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: 5599.86 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 683 10219 4 5086 14963 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:89:61:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84501sec preferred_lft 84501sec inet6 fe80::f816:3eff:fe89:61c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:e8:ef:48:a0:c6 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-4562) 08/10/26 _x86_64_ (4 CPU) 08:26:37 LINUX RESTART (4 CPU) 08:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 28.30 2.13 11.94 14.22 152.65 2962.62 257666.72 08:50:10 23.00 0.82 20.64 1.55 29.02 3280.38 3608.47 Average: 25.61 1.47 16.35 7.79 89.91 3123.89 128731.09 08:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 10797048 14203756 1756080 10.73 129040 3410900 2415592 13.87 543264 4658936 28648 08:50:10 9019572 13378792 2572492 15.71 170068 4236884 2760004 15.84 782960 6077840 10068 Average: 9908310 13791274 2164286 13.22 149554 3823892 2587798 14.85 663112 5368388 19358 08:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 0.66 0.66 0.07 0.07 0.00 0.00 0.00 0.00 08:40:01 ens3 95.94 72.01 1064.47 13.38 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:10 lo 464.88 464.88 442.20 442.20 0.00 0.00 0.00 0.00 08:50:10 ens3 87.18 64.26 326.87 18.45 0.00 0.00 0.00 0.00 08:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 236.26 236.26 224.45 224.45 0.00 0.00 0.00 0.00 Average: ens3 91.49 68.08 690.13 15.96 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-4562) 08/10/26 _x86_64_ (4 CPU) 08:26:37 LINUX RESTART (4 CPU) 08:30:10 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 33.09 0.00 1.26 0.15 0.06 65.44 08:40:01 0 31.81 0.00 1.02 0.09 0.05 67.03 08:40:01 1 33.19 0.00 1.14 0.04 0.06 65.56 08:40:01 2 32.46 0.00 1.22 0.06 0.06 66.19 08:40:01 3 34.92 0.00 1.65 0.39 0.06 62.98 08:50:10 all 70.34 0.00 2.45 0.09 0.09 27.03 08:50:10 0 70.46 0.00 2.58 0.02 0.09 26.84 08:50:10 1 69.38 0.00 2.40 0.09 0.09 28.04 08:50:10 2 71.19 0.00 2.31 0.05 0.10 26.35 08:50:10 3 70.31 0.00 2.53 0.18 0.09 26.89 Average: all 51.98 0.00 1.86 0.12 0.08 45.96 Average: 0 51.42 0.00 1.81 0.06 0.07 46.64 Average: 1 51.52 0.00 1.78 0.07 0.08 46.56 Average: 2 52.12 0.00 1.77 0.06 0.08 45.97 Average: 3 52.88 0.00 2.09 0.28 0.08 44.67