---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41595 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 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 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 681 9838 4 5469 14964 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:88:4c:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84480sec preferred_lft 84480sec inet6 fe80::f816:3eff:fe88:4c2a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:b0:b1:e2:f5:b9 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-41595) 08/27/26 _x86_64_ (4 CPU) 15:31:57 LINUX RESTART (4 CPU) 15:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 13.26 0.02 11.06 2.17 0.55 829.20 39602.56 16:00:03 37.61 0.19 32.62 4.80 5.96 6739.83 38513.61 Average: 25.46 0.11 21.86 3.49 3.26 3790.79 39056.93 15:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 9339408 12835116 3123248 19.08 157116 3461584 3338728 19.16 679580 5953736 912 16:00:03 7223724 12488532 3459008 21.13 193372 5098036 3528624 20.25 1320360 7301360 6512 Average: 8281566 12661824 3291128 20.10 175244 4279810 3433676 19.71 999970 6627548 3712 15:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 50.93 50.93 12.51 12.51 0.00 0.00 0.00 0.00 15:50:01 ens3 5.90 4.76 7.08 1.49 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:03 lo 2497.82 2497.82 2399.25 2399.25 0.00 0.00 0.00 0.00 16:00:03 ens3 59.98 47.96 506.42 10.79 0.00 0.00 0.00 0.00 16:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1276.97 1276.97 1208.41 1208.41 0.00 0.00 0.00 0.00 Average: ens3 33.00 26.40 257.28 6.15 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-41595) 08/27/26 _x86_64_ (4 CPU) 15:31:57 LINUX RESTART (4 CPU) 15:40:02 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 18.12 0.00 0.96 0.10 0.01 80.81 15:50:01 0 18.42 0.00 1.02 0.20 0.01 80.35 15:50:01 1 18.44 0.00 1.06 0.12 0.01 80.37 15:50:01 2 17.82 0.00 0.86 0.04 0.01 81.27 15:50:01 3 17.79 0.00 0.91 0.05 0.01 81.24 16:00:03 all 49.61 0.00 2.81 0.33 0.01 47.23 16:00:03 0 49.26 0.00 3.11 0.38 0.01 47.24 16:00:03 1 48.85 0.00 3.02 0.16 0.01 47.96 16:00:03 2 50.66 0.00 2.61 0.44 0.01 46.28 16:00:03 3 49.68 0.00 2.49 0.36 0.01 47.46 Average: all 33.91 0.00 1.89 0.22 0.01 63.98 Average: 0 33.88 0.00 2.07 0.29 0.01 63.75 Average: 1 33.68 0.00 2.04 0.14 0.01 64.13 Average: 2 34.29 0.00 1.74 0.24 0.01 63.73 Average: 3 33.78 0.00 1.70 0.20 0.01 64.30