---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38355 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 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 749 9410 4 5829 14897 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:4b:5f:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84533sec preferred_lft 84533sec inet6 fe80::f816:3eff:fe4b:5f2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:7f:27:68:40:51 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-38355) 08/17/26 _x86_64_ (4 CPU) 15:51:09 LINUX RESTART (4 CPU) 16:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:05 32.30 0.13 28.74 3.42 6.45 2922.08 8959.05 16:20:01 23.87 0.15 21.13 2.59 10.46 6579.11 7805.74 Average: 28.10 0.14 24.95 3.01 8.45 4743.01 8384.78 16:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:05 8688696 12957788 2995844 18.30 171376 4151520 3540400 20.32 857000 6360976 70880 16:20:01 9755684 15362668 583828 3.57 201816 5378520 1113372 6.39 982236 5073788 776 Average: 9222190 14160228 1789836 10.93 186596 4765020 2326886 13.36 919618 5717382 35828 16:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:05 lo 1634.45 1634.45 1558.50 1558.50 0.00 0.00 0.00 0.00 16:10:05 ens3 43.82 36.28 209.75 9.06 0.00 0.00 0.00 0.00 16:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 305.12 305.12 285.70 285.70 0.00 0.00 0.00 0.00 16:20:01 ens3 53.85 51.53 114.61 151.11 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 972.54 972.54 924.74 924.74 0.00 0.00 0.00 0.00 Average: ens3 48.82 43.87 162.38 79.79 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-38355) 08/17/26 _x86_64_ (4 CPU) 15:51:09 LINUX RESTART (4 CPU) 16:00:05 CPU %user %nice %system %iowait %steal %idle 16:10:05 all 62.93 0.00 2.71 0.08 0.14 34.14 16:10:05 0 61.58 0.00 2.75 0.09 0.14 35.44 16:10:05 1 59.35 0.00 2.57 0.09 0.14 37.85 16:10:05 2 66.19 0.00 2.75 0.07 0.15 30.84 16:10:05 3 64.62 0.00 2.75 0.06 0.14 32.43 16:20:01 all 54.05 0.00 1.97 0.14 0.12 43.72 16:20:01 0 53.71 0.00 1.75 0.09 0.11 44.34 16:20:01 1 51.32 0.00 1.92 0.17 0.11 46.47 16:20:01 2 56.44 0.00 2.03 0.23 0.12 41.18 16:20:01 3 54.75 0.00 2.18 0.06 0.11 42.90 Average: all 58.51 0.00 2.34 0.11 0.13 38.92 Average: 0 57.65 0.00 2.25 0.09 0.13 39.88 Average: 1 55.35 0.00 2.25 0.13 0.13 42.15 Average: 2 61.33 0.00 2.39 0.15 0.13 35.99 Average: 3 59.71 0.00 2.47 0.06 0.13 37.64