---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39641 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: 5599.94 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 11G 68G 14% / 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 718 10611 4 4659 14928 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:68:32:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84459sec preferred_lft 84459sec inet6 fe80::f816:3eff:fe68:320d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:66:71:d0:db:08 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-39641) 08/21/26 _x86_64_ (4 CPU) 13:53:36 LINUX RESTART (4 CPU) 14:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:01 26.96 2.65 20.75 3.55 146.58 3150.87 3612.66 14:20:00 47.02 0.16 38.72 8.14 10.72 3604.80 6082.53 Average: 37.16 1.39 29.89 5.89 77.49 3381.71 4868.66 14:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:01 10410312 13926124 2033956 12.42 144092 3502708 2345184 13.46 535964 5045040 111340 14:20:00 10982192 15389884 563664 3.44 210224 4243932 1141820 6.55 813576 4101348 325456 Average: 10696252 14658004 1298810 7.93 177158 3873320 1743502 10.01 674770 4573194 218398 14:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:01 lo 2043.73 2043.73 1948.81 1948.81 0.00 0.00 0.00 0.00 14:10:01 ens3 102.28 82.46 845.01 16.32 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 4307.69 4307.69 4107.24 4107.24 0.00 0.00 0.00 0.00 14:20:00 ens3 97.56 78.46 129.20 24.12 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3195.02 3195.02 3046.43 3046.43 0.00 0.00 0.00 0.00 Average: ens3 99.88 80.43 481.00 20.29 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-39641) 08/21/26 _x86_64_ (4 CPU) 13:53:36 LINUX RESTART (4 CPU) 14:00:23 CPU %user %nice %system %iowait %steal %idle 14:10:01 all 34.16 0.00 2.06 0.06 0.06 63.66 14:10:01 0 33.45 0.00 1.79 0.07 0.06 64.62 14:10:01 1 34.58 0.00 2.08 0.06 0.07 63.20 14:10:01 2 34.72 0.00 2.27 0.06 0.06 62.90 14:10:01 3 33.89 0.00 2.09 0.05 0.06 63.91 14:20:00 all 62.13 0.00 4.08 0.08 0.10 33.61 14:20:00 0 62.43 0.00 4.14 0.10 0.10 33.23 14:20:00 1 62.91 0.00 3.93 0.11 0.10 32.95 14:20:00 2 61.70 0.00 3.94 0.07 0.10 34.19 14:20:00 3 61.47 0.00 4.30 0.07 0.10 34.06 Average: all 48.37 0.00 3.09 0.07 0.08 48.39 Average: 0 48.18 0.00 2.99 0.09 0.08 48.66 Average: 1 48.98 0.00 3.02 0.09 0.09 47.83 Average: 2 48.42 0.00 3.12 0.06 0.08 48.32 Average: 3 47.90 0.00 3.22 0.06 0.08 48.74