---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25279 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 67G 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 732 9908 4 5347 14914 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:85:d8:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fe85:d86c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:8f:48:85:ad:4d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-25279) 06/06/26 _x86_64_ (4 CPU) 02:46:11 LINUX RESTART (4 CPU) 02:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 28.35 0.24 25.31 2.80 8.94 3837.82 22714.56 03:10:00 26.95 0.05 24.10 2.80 1.62 6024.98 15739.49 Average: 27.65 0.15 24.70 2.80 5.25 4941.17 19195.85 02:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 8806916 12785252 3169992 19.36 153336 3906416 3418456 19.62 740272 6385788 172692 03:10:00 7890380 13106556 2842704 17.36 183064 5049320 3380988 19.41 1009012 6967308 34988 Average: 8348648 12945904 3006348 18.36 168200 4477868 3399722 19.51 874642 6676548 103840 02:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 1325.95 1325.95 1264.14 1264.14 0.00 0.00 0.00 0.00 03:00:01 ens3 33.32 27.79 94.37 8.63 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:00 lo 791.22 791.22 753.38 753.38 0.00 0.00 0.00 0.00 03:10:00 ens3 49.23 40.38 231.83 10.30 0.00 0.00 0.00 0.00 03:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1056.19 1056.19 1006.48 1006.48 0.00 0.00 0.00 0.00 Average: ens3 41.35 34.14 163.71 9.47 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-25279) 06/06/26 _x86_64_ (4 CPU) 02:46:11 LINUX RESTART (4 CPU) 02:50:14 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 65.95 0.00 2.38 0.06 0.10 31.50 03:00:01 0 67.10 0.00 2.54 0.05 0.10 30.20 03:00:01 1 67.05 0.00 2.44 0.07 0.10 30.34 03:00:01 2 65.74 0.00 2.26 0.07 0.10 31.83 03:00:01 3 63.90 0.00 2.28 0.07 0.11 33.65 03:10:00 all 59.86 0.00 2.18 0.08 0.11 37.77 03:10:00 0 60.02 0.00 2.55 0.11 0.11 37.21 03:10:00 1 58.84 0.00 2.08 0.09 0.11 38.88 03:10:00 2 60.95 0.00 2.38 0.09 0.11 36.47 03:10:00 3 59.64 0.00 1.70 0.05 0.11 38.50 Average: all 62.88 0.00 2.28 0.07 0.11 34.66 Average: 0 63.53 0.00 2.55 0.08 0.10 33.74 Average: 1 62.91 0.00 2.26 0.08 0.10 34.65 Average: 2 63.32 0.00 2.32 0.08 0.11 34.17 Average: 3 61.75 0.00 1.99 0.06 0.11 36.10