---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39883 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: 5599.99 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 676 9030 4 6281 14970 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:af:69:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84662sec preferred_lft 84662sec inet6 fe80::f816:3eff:feaf:6956/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:2e:13:bd:00:f7 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-39883) 08/22/26 _x86_64_ (4 CPU) 02:33:36 LINUX RESTART (4 CPU) 02:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 11.57 0.02 9.72 1.83 0.57 785.77 45274.02 03:00:06 34.08 0.20 30.00 3.89 5.95 7440.53 29867.71 Average: 23.12 0.11 20.12 2.89 3.33 4199.17 37371.72 02:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 9369016 13145808 2811304 17.17 128908 3763304 3112268 17.86 691252 5912544 672 03:00:06 6895936 12933588 3012848 18.40 164532 5879128 3384824 19.43 1566148 7401136 197428 Average: 8132476 13039698 2912076 17.79 146720 4821216 3248546 18.65 1128700 6656840 99050 02:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 50.59 50.59 12.45 12.45 0.00 0.00 0.00 0.00 02:50:01 ens3 10.34 7.32 8.92 2.60 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:06 lo 1779.45 1779.45 1692.96 1692.96 0.00 0.00 0.00 0.00 03:00:06 ens3 79.27 60.22 499.02 15.26 0.00 0.00 0.00 0.00 03:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 937.37 937.37 874.43 874.43 0.00 0.00 0.00 0.00 Average: ens3 45.70 34.45 260.30 9.10 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-39883) 08/22/26 _x86_64_ (4 CPU) 02:33:36 LINUX RESTART (4 CPU) 02:40:27 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 20.07 0.00 0.96 0.58 0.11 78.28 02:50:01 0 20.08 0.00 1.09 0.35 0.10 78.37 02:50:01 1 19.69 0.00 0.97 0.30 0.10 78.94 02:50:01 2 19.78 0.00 0.90 1.21 0.14 77.97 02:50:01 3 20.73 0.00 0.90 0.45 0.10 77.83 03:00:06 all 48.32 0.00 2.43 0.44 0.10 48.72 03:00:06 0 49.03 0.00 2.79 0.40 0.11 47.67 03:00:06 1 48.79 0.00 2.36 0.39 0.10 48.35 03:00:06 2 46.61 0.00 2.02 0.67 0.10 50.60 03:00:06 3 48.84 0.00 2.54 0.28 0.10 48.24 Average: all 34.54 0.00 1.71 0.51 0.11 63.13 Average: 0 34.91 0.00 1.96 0.38 0.10 62.64 Average: 1 34.60 0.00 1.68 0.35 0.10 63.27 Average: 2 33.54 0.00 1.48 0.93 0.12 63.94 Average: 3 35.13 0.00 1.74 0.36 0.10 62.67