---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46094 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 672 9256 4 6060 14973 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:f5:9b:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84408sec preferred_lft 84408sec inet6 fe80::f816:3eff:fef5:9b02/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:21:d0:e5:db:81 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-46094) 08/30/26 _x86_64_ (4 CPU) 11:49:57 LINUX RESTART (4 CPU) 11:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:16 54.05 11.80 40.03 2.21 1585.06 14342.80 20689.52 12:10:41 11.04 0.01 9.30 1.73 0.40 681.24 26630.80 12:20:01 39.66 0.21 34.64 4.81 6.42 9158.22 22355.01 Average: 34.64 4.10 27.68 2.85 543.78 7985.62 23270.97 11:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:16 9495652 12959596 2999596 18.32 126288 3459020 3292612 18.90 659200 5836316 13968 12:10:41 9402236 13045032 2911808 17.78 138656 3609608 3218420 18.47 695720 5869996 27428 12:20:01 6779228 12642224 3302856 20.17 181156 5681200 3450708 19.81 1585404 7459612 252 Average: 8559039 12882284 3071420 18.76 148700 4249943 3320580 19.06 980108 6388641 13883 11:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:16 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 12:00:16 ens3 124.35 98.25 1035.34 21.02 0.00 0.00 0.00 0.00 12:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:41 lo 54.71 54.71 13.98 13.98 0.00 0.00 0.00 0.00 12:10:41 ens3 5.28 4.24 4.27 1.65 0.00 0.00 0.00 0.00 12:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 2771.56 2771.56 2665.69 2665.69 0.00 0.00 0.00 0.00 12:20:01 ens3 71.98 59.62 538.85 16.14 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 881.14 881.14 833.80 833.80 0.00 0.00 0.00 0.00 Average: ens3 66.71 53.59 522.84 12.78 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-46094) 08/30/26 _x86_64_ (4 CPU) 11:49:57 LINUX RESTART (4 CPU) 11:50:00 CPU %user %nice %system %iowait %steal %idle 12:00:16 all 29.43 0.00 1.51 0.52 0.01 68.52 12:00:16 0 28.69 0.00 1.52 0.74 0.01 69.03 12:00:16 1 28.55 0.00 1.40 0.56 0.01 69.48 12:00:16 2 32.03 0.00 1.68 0.25 0.01 66.03 12:00:16 3 28.46 0.00 1.47 0.51 0.01 69.54 12:10:41 all 15.87 0.00 0.91 0.08 0.01 83.14 12:10:41 0 15.66 0.00 1.03 0.03 0.01 83.27 12:10:41 1 16.91 0.00 0.96 0.08 0.01 82.04 12:10:41 2 15.25 0.00 0.87 0.16 0.01 83.71 12:10:41 3 15.66 0.00 0.78 0.04 0.01 83.52 12:20:01 all 48.59 0.00 2.97 0.17 0.02 48.25 12:20:01 0 49.29 0.00 3.06 0.23 0.01 47.40 12:20:01 1 50.63 0.00 3.09 0.15 0.02 46.12 12:20:01 2 46.62 0.00 2.85 0.17 0.01 50.34 12:20:01 3 47.84 0.00 2.89 0.11 0.02 49.14 Average: all 30.68 0.00 1.76 0.26 0.01 67.30 Average: 0 30.56 0.00 1.82 0.34 0.01 67.27 Average: 1 31.37 0.00 1.77 0.27 0.01 66.59 Average: 2 30.75 0.00 1.76 0.19 0.01 67.28 Average: 3 30.03 0.00 1.67 0.22 0.01 68.06