---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40049 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 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 713 9487 4 5787 14933 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:23:f1:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fe23:f140/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:f6:90:97:6d:04 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-40049) 08/22/26 _x86_64_ (4 CPU) 14:07:13 LINUX RESTART (4 CPU) 14:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:02 23.70 2.66 19.31 1.73 148.01 4839.14 7828.23 14:30:01 34.77 0.06 31.29 3.42 1.92 5049.89 11482.02 Average: 29.24 1.36 25.30 2.57 74.91 4944.60 9656.67 14:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:02 9591040 13411360 2545256 15.55 158820 3743948 2697548 15.48 715968 5630744 15988 14:30:01 7970396 13296100 2653220 16.20 191276 5139144 2796432 16.05 1037820 6840480 359644 Average: 8780718 13353730 2599238 15.88 175048 4441546 2746990 15.77 876894 6235612 187816 14:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:02 lo 701.90 701.90 668.53 668.53 0.00 0.00 0.00 0.00 14:20:02 ens3 116.95 91.70 889.04 19.28 0.00 0.00 0.00 0.00 14:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1581.70 1581.70 1507.70 1507.70 0.00 0.00 0.00 0.00 14:30:01 ens3 57.64 47.40 258.68 13.45 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1142.17 1142.17 1088.47 1088.47 0.00 0.00 0.00 0.00 Average: ens3 87.27 69.53 573.59 16.36 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-40049) 08/22/26 _x86_64_ (4 CPU) 14:07:13 LINUX RESTART (4 CPU) 14:10:04 CPU %user %nice %system %iowait %steal %idle 14:20:02 all 59.73 0.00 2.08 0.08 0.09 38.02 14:20:02 0 58.73 0.00 2.13 0.06 0.09 38.98 14:20:02 1 62.17 0.00 2.10 0.07 0.08 35.57 14:20:02 2 60.57 0.00 2.41 0.07 0.09 36.86 14:20:02 3 57.45 0.00 1.66 0.13 0.08 40.68 14:30:01 all 56.84 0.00 2.48 0.09 0.09 40.51 14:30:01 0 57.05 0.00 2.41 0.07 0.09 40.38 14:30:01 1 55.28 0.00 2.31 0.09 0.09 42.24 14:30:01 2 60.07 0.00 2.84 0.12 0.09 36.88 14:30:01 3 54.95 0.00 2.36 0.09 0.09 42.52 Average: all 58.28 0.00 2.28 0.09 0.09 39.27 Average: 0 57.89 0.00 2.27 0.06 0.09 39.68 Average: 1 58.72 0.00 2.20 0.08 0.09 38.91 Average: 2 60.32 0.00 2.63 0.09 0.09 36.87 Average: 3 56.20 0.00 2.01 0.11 0.09 41.60