---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41594 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 12G 66G 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 707 9222 4 6059 14938 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:86:40:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84477sec preferred_lft 84477sec inet6 fe80::f816:3eff:fe86:401b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:36:63:ea:fa:21 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-41594) 08/27/26 _x86_64_ (4 CPU) 15:31:25 LINUX RESTART (4 CPU) 15:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 11.04 0.01 9.21 1.83 0.17 630.64 20773.00 16:00:01 39.69 0.45 33.72 5.53 18.54 8356.19 44586.83 Average: 25.40 0.23 21.49 3.68 9.38 4502.44 32707.72 15:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 9845712 13490176 2467608 15.07 135284 3616908 3106000 17.83 696912 5432532 46616 16:00:01 9513816 15359984 586516 3.58 175140 5675584 1120852 6.43 1588756 4740728 34240 Average: 9679764 14425080 1527062 9.33 155212 4646246 2113426 12.13 1142834 5086630 40428 15:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 54.60 54.60 13.83 13.83 0.00 0.00 0.00 0.00 15:50:01 ens3 5.86 4.90 4.58 1.82 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 16:00:01 lo 2507.23 2507.23 2410.09 2410.09 0.00 0.00 0.00 0.00 16:00:01 ens3 71.78 57.98 502.80 21.81 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1283.78 1283.78 1214.76 1214.76 0.00 0.00 0.00 0.00 Average: ens3 38.90 31.50 254.27 11.84 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-41594) 08/27/26 _x86_64_ (4 CPU) 15:31:25 LINUX RESTART (4 CPU) 15:40:02 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 15.44 0.00 0.90 0.08 0.02 83.56 15:50:01 0 15.61 0.00 1.03 0.16 0.02 83.17 15:50:01 1 14.43 0.00 0.95 0.10 0.02 84.51 15:50:01 2 16.11 0.00 0.79 0.03 0.02 83.06 15:50:01 3 15.60 0.00 0.83 0.03 0.02 83.51 16:00:01 all 48.03 0.00 2.85 0.19 0.03 48.90 16:00:01 0 50.03 0.00 2.88 0.14 0.03 46.92 16:00:01 1 47.69 0.00 2.78 0.13 0.03 49.37 16:00:01 2 46.89 0.00 3.03 0.45 0.04 49.58 16:00:01 3 47.53 0.00 2.69 0.06 0.02 49.70 Average: all 31.78 0.00 1.88 0.14 0.02 66.18 Average: 0 32.87 0.00 1.96 0.15 0.03 64.99 Average: 1 31.11 0.00 1.87 0.11 0.02 66.89 Average: 2 31.55 0.00 1.92 0.24 0.03 66.27 Average: 3 31.61 0.00 1.76 0.05 0.02 66.56