---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39788 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: 5600.00 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 636 10326 4 5026 15010 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:c9:03:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84699sec preferred_lft 84699sec inet6 fe80::f816:3eff:fec9:35a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:ce:ab:8e:15:bd 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-39788) 08/22/26 _x86_64_ (4 CPU) 00:28:14 LINUX RESTART (4 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:02 13.78 2.41 11.06 0.32 140.24 3403.78 471.83 00:50:02 8.57 0.52 7.65 0.40 19.37 1500.57 1418.41 Average: 11.18 1.46 9.35 0.36 79.90 2453.68 944.38 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:02 9723724 12820000 3143544 19.20 114592 3138840 3347300 19.21 492532 5795684 412 00:50:02 10154912 13667364 2292628 14.00 131660 3510852 2507532 14.39 583692 5246376 11144 Average: 9939318 13243682 2718086 16.60 123126 3324846 2927416 16.80 538112 5521030 5778 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:02 lo 0.45 0.45 0.04 0.04 0.00 0.00 0.00 0.00 00:40:02 ens3 65.84 55.00 699.15 8.85 0.00 0.00 0.00 0.00 00:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 130.26 130.26 124.20 124.20 0.00 0.00 0.00 0.00 00:50:02 ens3 36.93 25.21 408.60 3.49 0.00 0.00 0.00 0.00 00:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 65.25 65.25 62.02 62.02 0.00 0.00 0.00 0.00 Average: ens3 51.40 40.13 554.10 6.17 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-39788) 08/22/26 _x86_64_ (4 CPU) 00:28:14 LINUX RESTART (4 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:02 all 47.49 0.00 1.00 0.07 0.09 51.35 00:40:02 0 42.85 0.00 1.06 0.07 0.08 55.94 00:40:02 1 48.02 0.00 1.17 0.17 0.09 50.55 00:40:02 2 49.17 0.00 0.99 0.02 0.08 49.73 00:40:02 3 49.94 0.00 0.77 0.03 0.09 49.16 00:50:02 all 43.07 0.00 0.67 0.05 0.09 56.12 00:50:02 0 38.86 0.00 0.63 0.02 0.09 60.40 00:50:02 1 43.43 0.00 0.64 0.13 0.08 55.72 00:50:02 2 58.97 0.00 0.87 0.02 0.09 40.05 00:50:02 3 31.00 0.00 0.54 0.05 0.08 68.33 Average: all 45.28 0.00 0.83 0.06 0.09 53.73 Average: 0 40.85 0.00 0.85 0.04 0.09 58.17 Average: 1 45.73 0.00 0.91 0.15 0.09 53.13 Average: 2 54.06 0.00 0.93 0.02 0.09 44.90 Average: 3 40.49 0.00 0.66 0.04 0.09 58.72