---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40978 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 11G 68G 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 651 10637 4 4700 14993 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:df:89:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84253sec preferred_lft 84253sec inet6 fe80::f816:3eff:fedf:896d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:89:2d:aa:1c:7f 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-40978) 08/25/26 _x86_64_ (4 CPU) 21:20:05 LINUX RESTART (4 CPU) 21:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:06 49.00 2.21 33.40 13.40 134.23 2466.52 243694.95 21:50:00 22.51 2.67 17.97 1.87 147.60 3659.06 2045.05 Average: 35.81 2.44 25.72 7.66 140.88 3060.13 123408.04 21:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:06 12841540 15503488 472156 2.88 96804 2757428 997760 5.73 336840 2874464 808 21:50:00 9554444 13383860 2572820 15.71 152284 3788344 2863928 16.44 645184 5772616 123276 Average: 11197992 14443674 1522488 9.30 124544 3272886 1930844 11.08 491012 4323540 62042 21:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:06 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 21:40:06 ens3 41.41 30.22 303.58 7.27 0.00 0.00 0.00 0.00 21:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:00 lo 1385.30 1385.30 1321.00 1321.00 0.00 0.00 0.00 0.00 21:50:00 ens3 109.46 86.82 878.41 19.75 0.00 0.00 0.00 0.00 21:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 689.71 689.71 657.57 657.57 0.00 0.00 0.00 0.00 Average: ens3 75.28 58.39 589.72 13.48 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-40978) 08/25/26 _x86_64_ (4 CPU) 21:20:05 LINUX RESTART (4 CPU) 21:30:06 CPU %user %nice %system %iowait %steal %idle 21:40:06 all 2.66 0.00 0.32 0.36 0.04 96.63 21:40:06 0 2.85 0.00 0.36 0.45 0.04 96.30 21:40:06 1 2.18 0.00 0.36 0.06 0.06 97.34 21:40:06 2 3.15 0.00 0.34 0.77 0.03 95.70 21:40:06 3 2.45 0.00 0.23 0.14 0.02 97.16 21:50:00 all 54.57 0.00 2.57 1.67 0.13 41.06 21:50:00 0 55.16 0.00 2.55 1.22 0.13 40.93 21:50:00 1 53.40 0.00 2.56 0.86 0.13 43.05 21:50:00 2 55.52 0.00 2.66 2.50 0.13 39.19 21:50:00 3 54.17 0.00 2.51 2.11 0.13 41.08 Average: all 28.47 0.00 1.44 1.01 0.08 68.99 Average: 0 28.87 0.00 1.45 0.84 0.08 68.77 Average: 1 27.65 0.00 1.45 0.46 0.09 70.34 Average: 2 29.21 0.00 1.49 1.63 0.08 67.58 Average: 3 28.15 0.00 1.36 1.12 0.07 69.29