---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22718 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 680 9847 4 5461 14966 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:96:35:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84740sec preferred_lft 84740sec inet6 fe80::f816:3eff:fe96:3540/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:4d:f5:83:f2:b8 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22718) 02/27/26 _x86_64_ (4 CPU) 08:57:57 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 28.56 2.92 23.83 1.82 154.97 5719.38 10572.12 09:20:09 31.94 0.07 28.58 3.29 1.95 5886.96 20193.04 Average: 30.26 1.48 26.22 2.56 77.95 5803.73 15414.56 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 9299280 12860276 3096704 18.91 153944 3503220 3366664 19.32 703740 5956276 17656 09:20:09 8104456 13081320 2869180 17.52 186160 4813672 3040728 17.45 1003056 6773860 29120 Average: 8701868 12970798 2982942 18.22 170052 4158446 3203696 18.39 853398 6365068 23388 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 710.85 710.85 676.60 676.60 0.00 0.00 0.00 0.00 09:10:01 ens3 98.69 73.44 787.78 13.89 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:09 lo 1340.49 1340.49 1276.81 1276.81 0.00 0.00 0.00 0.00 09:20:09 ens3 39.89 31.90 221.29 8.68 0.00 0.00 0.00 0.00 09:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1027.76 1027.76 978.70 978.70 0.00 0.00 0.00 0.00 Average: ens3 69.09 52.53 502.65 11.27 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-22718) 02/27/26 _x86_64_ (4 CPU) 08:57:57 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 63.59 0.00 2.26 0.19 0.13 33.83 09:10:01 0 63.27 0.00 2.48 0.20 0.13 33.92 09:10:01 1 62.26 0.00 2.26 0.24 0.13 35.11 09:10:01 2 63.81 0.00 2.26 0.17 0.13 33.62 09:10:01 3 65.03 0.00 2.03 0.15 0.13 32.65 09:20:09 all 57.90 0.00 2.47 0.30 0.14 39.20 09:20:09 0 57.77 0.00 2.67 0.48 0.14 38.94 09:20:09 1 57.53 0.00 2.42 0.15 0.14 39.76 09:20:09 2 58.47 0.00 2.18 0.18 0.13 39.05 09:20:09 3 57.82 0.00 2.59 0.41 0.14 39.04 Average: all 60.73 0.00 2.36 0.25 0.14 36.53 Average: 0 60.50 0.00 2.58 0.34 0.14 36.45 Average: 1 59.88 0.00 2.34 0.19 0.14 37.45 Average: 2 61.13 0.00 2.22 0.18 0.13 36.35 Average: 3 61.41 0.00 2.31 0.28 0.13 35.87