---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13033 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: 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 742 9379 4 5867 14904 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:17:8e:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84137sec preferred_lft 84137sec inet6 fe80::f816:3eff:fe17:8e75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:a1:9d:28:b5:22 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-13033) 05/12/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:11 44.15 0.43 27.58 16.14 13.93 4660.61 247337.77 20:50:12 54.53 0.00 43.42 11.11 0.00 2737.14 11316.39 21:00:13 23.66 0.30 20.10 3.27 11.71 4184.60 3326.00 Average: 40.79 0.24 30.36 10.19 8.57 3863.47 87858.57 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:11 9225544 13438680 2513568 15.35 184804 4085076 2733268 15.69 820100 5853352 10516 20:50:12 8664764 13282436 2666020 16.28 211788 4422612 2849952 16.36 922136 6285736 52004 21:00:13 9732932 15374636 569540 3.48 238520 5371384 1117972 6.42 1270608 4792976 88 Average: 9207747 14031917 1916376 11.70 211704 4626357 2233731 12.82 1004281 5644021 20869 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:11 lo 1244.43 1244.43 1186.01 1186.01 0.00 0.00 0.00 0.00 20:40:11 ens3 87.75 68.18 318.86 20.46 0.00 0.00 0.00 0.00 20:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:12 lo 5448.62 5448.62 5195.22 5195.22 0.00 0.00 0.00 0.00 20:50:12 ens3 84.34 60.00 27.52 20.73 0.00 0.00 0.00 0.00 20:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:13 lo 1438.91 1438.91 1348.64 1348.64 0.00 0.00 0.00 0.00 21:00:13 ens3 118.74 117.56 122.27 215.89 0.00 0.00 0.00 0.00 21:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2705.70 2705.70 2571.93 2571.93 0.00 0.00 0.00 0.00 Average: ens3 96.91 81.87 156.76 85.48 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-13033) 05/12/26 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:11 all 67.22 0.00 2.78 0.08 0.10 29.82 20:40:11 0 65.52 0.00 2.43 0.09 0.10 31.86 20:40:11 1 67.09 0.00 3.08 0.07 0.10 29.66 20:40:11 2 67.84 0.00 3.05 0.09 0.11 28.92 20:40:11 3 68.45 0.00 2.56 0.06 0.10 28.82 20:50:12 all 62.05 0.00 4.11 0.10 0.09 33.65 20:50:12 0 60.83 0.00 4.02 0.09 0.09 34.97 20:50:12 1 61.56 0.00 4.01 0.08 0.09 34.26 20:50:12 2 62.93 0.00 4.22 0.16 0.09 32.60 20:50:12 3 62.90 0.00 4.17 0.09 0.09 32.75 21:00:13 all 38.12 0.00 1.82 0.10 0.08 59.88 21:00:13 0 38.20 0.00 1.93 0.02 0.08 59.77 21:00:13 1 38.02 0.00 1.79 0.08 0.08 60.03 21:00:13 2 39.41 0.00 1.86 0.15 0.08 58.50 21:00:13 3 36.83 0.00 1.70 0.16 0.08 61.23 Average: all 55.82 0.00 2.90 0.10 0.09 41.09 Average: 0 54.87 0.00 2.79 0.07 0.09 42.18 Average: 1 55.58 0.00 2.96 0.08 0.09 41.29 Average: 2 56.75 0.00 3.04 0.13 0.09 39.98 Average: 3 56.09 0.00 2.81 0.10 0.09 40.91