---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46116 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 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 733 9339 4 5916 14912 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:8b:60:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84586sec preferred_lft 84586sec inet6 fe80::f816:3eff:fe8b:6022/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:4d:f3:7a:0d:23 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-46116) 08/30/26 _x86_64_ (4 CPU) 14:08:17 LINUX RESTART (4 CPU) 14:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:22 40.98 3.62 22.69 14.68 377.10 5844.91 236925.19 14:30:26 31.65 0.07 28.21 3.37 1.95 3251.70 34678.60 Average: 36.38 1.87 25.41 9.10 191.99 4565.38 137133.17 14:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:22 9000916 13120260 2833912 17.31 162560 4029412 3189360 18.31 811952 6121844 184456 14:30:26 7500900 12958380 2989492 18.26 191612 5268640 3302276 18.96 1105720 7234832 906248 Average: 8250908 13039320 2911702 17.78 177086 4649026 3245818 18.63 958836 6678338 545352 14:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:22 lo 695.81 695.81 663.03 663.03 0.00 0.00 0.00 0.00 14:20:22 ens3 108.37 87.00 975.28 21.27 0.00 0.00 0.00 0.00 14:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:26 lo 1573.37 1573.37 1499.24 1499.24 0.00 0.00 0.00 0.00 14:30:26 ens3 48.18 39.18 256.96 13.46 0.00 0.00 0.00 0.00 14:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1128.82 1128.82 1075.63 1075.63 0.00 0.00 0.00 0.00 Average: ens3 78.67 63.40 620.85 17.42 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-46116) 08/30/26 _x86_64_ (4 CPU) 14:08:17 LINUX RESTART (4 CPU) 14:10:02 CPU %user %nice %system %iowait %steal %idle 14:20:22 all 54.25 0.00 2.14 0.13 0.02 43.47 14:20:22 0 52.02 0.00 2.11 0.12 0.02 45.72 14:20:22 1 54.74 0.00 2.05 0.10 0.02 43.10 14:20:22 2 56.92 0.00 2.44 0.12 0.02 40.51 14:20:22 3 53.31 0.00 1.96 0.16 0.01 44.55 14:30:26 all 53.50 0.00 2.59 0.09 0.02 43.80 14:30:26 0 52.72 0.00 2.41 0.08 0.01 44.77 14:30:26 1 54.96 0.00 2.55 0.10 0.02 42.37 14:30:26 2 52.98 0.00 3.00 0.15 0.01 43.86 14:30:26 3 53.35 0.00 2.40 0.04 0.02 44.18 Average: all 53.88 0.00 2.36 0.11 0.02 43.63 Average: 0 52.37 0.00 2.26 0.10 0.02 45.25 Average: 1 54.85 0.00 2.29 0.10 0.02 42.74 Average: 2 54.97 0.00 2.71 0.14 0.02 42.16 Average: 3 53.33 0.00 2.18 0.10 0.02 44.37