---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38796 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 733 9527 4 5728 14913 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:74:70:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84545sec preferred_lft 84545sec inet6 fe80::f816:3eff:fe74:70fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:73:7f:f7:10:13 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-38796) 08/19/26 _x86_64_ (4 CPU) 15:47:15 LINUX RESTART (4 CPU) 15:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:04 24.04 2.66 19.59 1.79 146.47 4785.84 6739.09 16:10:05 33.92 0.06 30.49 3.37 1.65 6135.43 22508.51 Average: 28.99 1.36 25.05 2.58 73.96 5461.52 14634.17 15:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:04 9013000 12973524 2982016 18.21 157032 3879912 3301984 18.95 735300 6193048 188048 16:10:05 7251972 12514972 3434128 20.97 190612 5079992 3726972 21.39 1029012 7580776 32612 Average: 8132486 12744248 3208072 19.59 173822 4479952 3514478 20.17 882156 6886912 110330 15:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:04 lo 872.49 872.49 831.55 831.55 0.00 0.00 0.00 0.00 16:00:04 ens3 111.06 87.52 820.77 18.81 0.00 0.00 0.00 0.00 16:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:05 lo 1441.70 1441.70 1374.17 1374.17 0.00 0.00 0.00 0.00 16:10:05 ens3 62.32 48.21 235.12 13.96 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 Average: lo 1157.47 1157.47 1103.22 1103.22 0.00 0.00 0.00 0.00 Average: ens3 86.65 67.84 527.56 16.38 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-38796) 08/19/26 _x86_64_ (4 CPU) 15:47:15 LINUX RESTART (4 CPU) 15:50:04 CPU %user %nice %system %iowait %steal %idle 16:00:04 all 61.94 0.00 2.15 0.09 0.09 35.74 16:00:04 0 61.22 0.00 2.08 0.14 0.09 36.46 16:00:04 1 62.39 0.00 2.03 0.03 0.09 35.46 16:00:04 2 62.15 0.00 2.10 0.06 0.09 35.60 16:00:04 3 61.98 0.00 2.38 0.12 0.09 35.42 16:10:05 all 57.12 0.00 2.44 0.08 0.10 40.26 16:10:05 0 54.82 0.00 2.33 0.11 0.10 42.64 16:10:05 1 59.90 0.00 2.46 0.05 0.10 37.50 16:10:05 2 56.21 0.00 2.21 0.13 0.10 41.35 16:10:05 3 57.55 0.00 2.77 0.04 0.10 39.54 Average: all 59.53 0.00 2.30 0.09 0.09 38.00 Average: 0 58.02 0.00 2.21 0.13 0.10 39.55 Average: 1 61.14 0.00 2.24 0.04 0.09 36.48 Average: 2 59.18 0.00 2.16 0.09 0.09 38.48 Average: 3 59.77 0.00 2.58 0.08 0.09 37.48