---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40941 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 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 700 9812 4 5476 14945 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:ae:dc:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84303sec preferred_lft 84303sec inet6 fe80::f816:3eff:feae:dc9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:f5:0f:58:d7:81 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-40941) 08/25/26 _x86_64_ (4 CPU) 18:23:15 LINUX RESTART (4 CPU) 18:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:01 47.43 0.02 40.32 7.09 0.59 1790.22 163418.52 18:50:21 24.84 0.17 20.86 3.81 4.87 1974.70 36180.52 Average: 35.91 0.10 30.39 5.42 2.78 1884.32 98516.14 18:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 9536900 13035740 2922928 17.85 157252 3464784 3142060 18.04 678416 5759808 232 18:50:21 8897772 12847484 3107152 18.98 175652 3864864 3357012 19.27 814356 6239484 26584 Average: 9217336 12941612 3015040 18.41 166452 3664824 3249536 18.65 746386 5999646 13408 18:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:01 lo 31.14 31.14 7.30 7.30 0.00 0.00 0.00 0.00 18:40:01 ens3 15.95 12.87 14.86 4.32 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:21 lo 1579.44 1579.44 1483.85 1483.85 0.00 0.00 0.00 0.00 18:50:21 ens3 53.91 40.08 280.73 10.23 0.00 0.00 0.00 0.00 18:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 820.91 820.91 760.47 760.47 0.00 0.00 0.00 0.00 Average: ens3 35.31 26.75 150.48 7.33 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-40941) 08/25/26 _x86_64_ (4 CPU) 18:23:15 LINUX RESTART (4 CPU) 18:30:05 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 28.00 0.00 1.19 0.28 0.09 70.44 18:40:01 0 28.78 0.00 1.03 0.09 0.09 70.02 18:40:01 1 27.97 0.00 1.17 0.15 0.10 70.62 18:40:01 2 29.14 0.00 1.33 0.74 0.10 68.69 18:40:01 3 26.12 0.00 1.22 0.14 0.10 72.42 18:50:21 all 36.46 0.00 1.80 0.06 0.10 61.59 18:50:21 0 37.80 0.00 1.88 0.03 0.10 60.19 18:50:21 1 36.83 0.00 2.20 0.04 0.10 60.83 18:50:21 2 35.76 0.00 1.43 0.11 0.10 62.60 18:50:21 3 35.42 0.00 1.70 0.06 0.10 62.72 Average: all 32.31 0.00 1.50 0.17 0.10 65.93 Average: 0 33.37 0.00 1.46 0.06 0.09 65.02 Average: 1 32.48 0.00 1.70 0.09 0.10 65.63 Average: 2 32.51 0.00 1.38 0.42 0.10 65.59 Average: 3 30.86 0.00 1.47 0.10 0.10 67.48