---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28330 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 13G 65G 17% / 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 663 8299 4 7026 14983 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:d2:75:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82976sec preferred_lft 82976sec inet6 fe80::f816:3eff:fed2:75a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:2f:75:65:7c:38 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-28330) 06/18/26 _x86_64_ (4 CPU) 10:01:01 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:06 37.94 2.22 35.12 0.60 133.40 2707.20 442.51 10:30:01 30.72 2.99 24.65 3.08 163.44 4113.30 5805.30 10:40:01 29.52 0.01 26.56 2.95 0.25 2366.67 5930.99 10:50:06 11.59 0.03 10.55 1.01 0.36 3069.14 6391.34 Average: 27.42 1.31 24.21 1.90 74.13 3061.23 4636.34 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:06 13054568 15529748 448160 2.74 94088 2572904 983716 5.65 317640 2676412 876 10:30:01 9921072 13513840 2444504 14.93 139236 3573268 2561764 14.70 685016 5367712 38072 10:40:01 8526908 12729436 3224744 19.70 159368 4120528 3274272 18.79 826980 6587780 226944 10:50:06 5795972 10584320 5368028 32.79 167284 4678716 5139464 29.50 1024184 9075588 30084 Average: 9324630 13089336 2871359 17.54 139994 3736354 2989804 17.16 713455 5926873 73994 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:06 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 10:20:06 ens3 48.53 33.96 329.96 7.41 0.00 0.00 0.00 0.00 10:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 1494.08 1494.08 1417.92 1417.92 0.00 0.00 0.00 0.00 10:30:01 ens3 131.23 100.39 971.84 20.89 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1412.43 1412.43 1345.98 1345.98 0.00 0.00 0.00 0.00 10:40:01 ens3 34.59 29.72 24.04 10.44 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:06 lo 487.37 487.37 4893.73 4893.73 0.00 0.00 0.00 0.00 10:50:06 ens3 20.00 14.71 10.11 5.03 0.00 0.00 0.00 0.00 10:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 844.98 844.98 1918.18 1918.18 0.00 0.00 0.00 0.00 Average: ens3 58.34 44.50 331.96 10.90 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-28330) 06/18/26 _x86_64_ (4 CPU) 10:01:01 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:06 all 2.71 0.00 0.33 0.23 0.03 96.70 10:20:06 0 4.27 0.00 0.40 0.06 0.03 95.24 10:20:06 1 2.30 0.00 0.32 0.28 0.02 97.08 10:20:06 2 1.43 0.00 0.24 0.47 0.03 97.83 10:20:06 3 2.83 0.00 0.36 0.12 0.02 96.67 10:30:01 all 66.56 0.00 2.51 0.09 0.10 30.74 10:30:01 0 66.66 0.00 2.55 0.07 0.10 30.62 10:30:01 1 67.11 0.00 2.65 0.10 0.10 30.04 10:30:01 2 65.38 0.00 2.42 0.11 0.10 31.99 10:30:01 3 67.09 0.00 2.43 0.07 0.10 30.32 10:40:01 all 64.16 0.00 2.28 0.22 0.11 33.23 10:40:01 0 63.15 0.00 2.17 0.18 0.11 34.39 10:40:01 1 63.48 0.00 2.29 0.28 0.11 33.85 10:40:01 2 64.39 0.00 2.57 0.22 0.11 32.70 10:40:01 3 65.61 0.00 2.09 0.20 0.11 31.99 10:50:06 all 33.08 0.00 1.22 3.64 0.09 61.97 10:50:06 0 30.62 0.00 1.23 2.84 0.09 65.22 10:50:06 1 34.43 0.00 1.16 2.81 0.08 61.51 10:50:06 2 32.14 0.00 1.22 5.41 0.09 61.15 10:50:06 3 35.12 0.00 1.29 3.50 0.09 60.01 Average: all 41.45 0.00 1.58 1.05 0.08 55.84 Average: 0 41.00 0.00 1.58 0.79 0.08 56.55 Average: 1 41.64 0.00 1.60 0.87 0.08 55.81 Average: 2 40.65 0.00 1.61 1.56 0.08 56.09 Average: 3 42.51 0.00 1.54 0.98 0.08 54.90