---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27866 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 11G 67G 14% / 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 640 10410 4 4937 15006 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:50:d6:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84811sec preferred_lft 84811sec inet6 fe80::f816:3eff:fe50:d691/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:d7:f3:3a:02:68 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-27866) 06/16/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:01 8.44 1.63 6.61 0.20 118.78 2137.19 158.38 20:30:01 8.73 0.52 7.72 0.48 19.10 1622.79 1044.09 Average: 8.59 1.08 7.17 0.34 68.90 1879.79 601.58 20:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:01 9041672 12106976 3856060 23.55 114348 3109160 4076212 23.40 495936 6488744 336 20:30:01 9483404 13084424 2875108 17.56 132124 3595960 3124376 17.93 635616 5868928 109696 Average: 9262538 12595700 3365584 20.56 123236 3352560 3600294 20.67 565776 6178836 55016 20:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 20:20:01 ens3 18.99 16.66 161.43 3.44 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 230.87 230.87 219.26 219.26 0.00 0.00 0.00 0.00 20:30:01 ens3 36.67 25.99 432.33 3.38 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 115.85 115.85 109.90 109.90 0.00 0.00 0.00 0.00 Average: ens3 27.84 21.33 296.99 3.41 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-27866) 06/16/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:02 CPU %user %nice %system %iowait %steal %idle 20:20:01 all 49.97 0.00 0.84 0.04 0.09 49.07 20:20:01 0 52.29 0.00 0.91 0.05 0.09 46.66 20:20:01 1 42.96 0.00 0.93 0.06 0.08 55.96 20:20:01 2 51.85 0.00 0.84 0.04 0.08 47.19 20:20:01 3 52.76 0.00 0.68 0.02 0.09 46.44 20:30:01 all 51.07 0.00 0.88 0.04 0.09 47.93 20:30:01 0 59.87 0.00 0.94 0.04 0.09 39.07 20:30:01 1 49.76 0.00 0.88 0.05 0.09 49.21 20:30:01 2 36.44 0.00 0.82 0.02 0.08 62.64 20:30:01 3 58.28 0.00 0.88 0.04 0.09 40.71 Average: all 50.52 0.00 0.86 0.04 0.09 48.50 Average: 0 56.08 0.00 0.92 0.05 0.09 42.87 Average: 1 46.36 0.00 0.91 0.06 0.09 52.59 Average: 2 44.12 0.00 0.83 0.03 0.08 54.94 Average: 3 55.52 0.00 0.78 0.03 0.09 43.57