---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16064 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 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 769 9481 4 5738 14877 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:7d:82:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84140sec preferred_lft 84140sec inet6 fe80::f816:3eff:fe7d:827c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:f9:56:d9:a2:2f 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-16064) 05/17/26 _x86_64_ (4 CPU) 20:24:10 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 24.68 0.45 21.75 2.48 14.06 4598.61 2010.98 20:50:01 52.88 0.00 42.06 10.82 0.25 2577.54 16009.15 21:00:02 25.87 0.30 21.41 4.16 11.80 4469.97 5066.78 Average: 34.48 0.25 28.41 5.82 8.70 3881.92 7696.89 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9259628 13407032 2545788 15.55 182900 4021640 3020976 17.34 750520 5912684 88584 20:50:01 8733624 13215036 2734672 16.70 210528 4295656 3144256 18.05 841000 6308516 83876 21:00:02 9817180 15325808 618520 3.78 240400 5238716 1114216 6.40 1205068 4752680 464 Average: 9270144 13982625 1966327 12.01 211276 4518671 2426483 13.93 932196 5657960 57641 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1070.10 1070.10 1019.74 1019.74 0.00 0.00 0.00 0.00 20:40:00 ens3 79.22 60.81 320.45 18.84 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5745.30 5745.30 5479.35 5479.35 0.00 0.00 0.00 0.00 20:50:01 ens3 60.69 44.56 22.74 16.81 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 1849.14 1849.14 1738.47 1738.47 0.00 0.00 0.00 0.00 21:00:02 ens3 126.34 127.81 125.92 298.64 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2888.55 2888.55 2746.20 2746.20 0.00 0.00 0.00 0.00 Average: ens3 88.76 77.74 156.32 111.48 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-16064) 05/17/26 _x86_64_ (4 CPU) 20:24:10 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 67.41 0.00 2.88 0.06 0.08 29.56 20:40:00 0 66.24 0.00 2.63 0.06 0.09 30.98 20:40:00 1 67.26 0.00 3.12 0.07 0.08 29.47 20:40:00 2 68.17 0.00 3.06 0.08 0.08 28.60 20:40:00 3 67.97 0.00 2.71 0.05 0.08 29.20 20:50:01 all 62.65 0.00 4.41 0.11 0.08 32.74 20:50:01 0 61.92 0.00 4.63 0.17 0.08 33.19 20:50:01 1 62.67 0.00 4.36 0.07 0.08 32.83 20:50:01 2 63.19 0.00 4.59 0.09 0.08 32.05 20:50:01 3 62.84 0.00 4.07 0.12 0.08 32.89 21:00:02 all 47.98 0.00 2.43 0.11 0.08 49.41 21:00:02 0 47.79 0.00 2.26 0.08 0.08 49.79 21:00:02 1 49.90 0.00 2.50 0.19 0.08 47.34 21:00:02 2 55.45 0.00 2.81 0.05 0.07 41.62 21:00:02 3 38.77 0.00 2.14 0.11 0.08 58.91 Average: all 59.34 0.00 3.24 0.10 0.08 37.25 Average: 0 58.64 0.00 3.17 0.11 0.08 38.00 Average: 1 59.93 0.00 3.32 0.11 0.08 36.56 Average: 2 62.26 0.00 3.49 0.07 0.08 34.10 Average: 3 56.51 0.00 2.97 0.09 0.08 40.34