---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34047 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 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 644 9902 4 5442 15002 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:9e:ac:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84459sec preferred_lft 84459sec inet6 fe80::f816:3eff:fe9e:acd8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:a2:0c:0a:f1:7b 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-34047) 07/08/26 _x86_64_ (4 CPU) 18:24:40 LINUX RESTART (4 CPU) 18:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:27 46.56 0.02 38.95 7.58 0.61 1702.71 95672.25 18:50:27 25.77 0.15 21.77 3.84 4.85 2031.39 31715.24 Average: 36.33 0.09 30.50 5.74 2.70 1864.45 64199.41 18:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:27 9348232 12848040 3110332 19.00 157144 3452960 3422344 19.64 713092 5903144 644 18:50:27 8829632 12784428 3170668 19.37 175348 3856932 3280048 18.83 849496 6247948 34972 Average: 9088932 12816234 3140500 19.18 166246 3654946 3351196 19.24 781294 6075546 17808 18:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:27 lo 30.34 30.34 7.20 7.20 0.00 0.00 0.00 0.00 18:40:27 ens3 14.99 11.98 14.64 3.82 0.00 0.00 0.00 0.00 18:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:27 lo 1527.32 1527.32 1433.68 1433.68 0.00 0.00 0.00 0.00 18:50:27 ens3 56.36 40.92 279.26 10.58 0.00 0.00 0.00 0.00 18:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 766.99 766.99 709.16 709.16 0.00 0.00 0.00 0.00 Average: ens3 35.35 26.22 144.86 7.14 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-34047) 07/08/26 _x86_64_ (4 CPU) 18:24:40 LINUX RESTART (4 CPU) 18:30:07 CPU %user %nice %system %iowait %steal %idle 18:40:27 all 27.10 0.00 1.07 0.34 0.10 71.41 18:40:27 0 28.57 0.00 1.02 0.09 0.10 70.22 18:40:27 1 26.02 0.00 1.00 0.05 0.10 72.83 18:40:27 2 27.95 0.00 0.96 0.09 0.09 70.90 18:40:27 3 25.84 0.00 1.28 1.11 0.09 71.68 18:50:27 all 38.22 0.00 1.88 0.13 0.10 59.68 18:50:27 0 37.50 0.00 1.79 0.11 0.09 60.51 18:50:27 1 37.68 0.00 1.86 0.06 0.09 60.30 18:50:27 2 39.50 0.00 2.01 0.10 0.10 58.29 18:50:27 3 38.20 0.00 1.86 0.24 0.10 59.60 Average: all 32.57 0.00 1.47 0.23 0.10 65.64 Average: 0 32.96 0.00 1.40 0.10 0.10 65.44 Average: 1 31.76 0.00 1.42 0.06 0.10 66.67 Average: 2 33.63 0.00 1.48 0.10 0.09 64.70 Average: 3 31.92 0.00 1.57 0.68 0.10 65.73