---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9629 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 68G 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 710 10552 4 4726 14936 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:13:78:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84549sec preferred_lft 84549sec inet6 fe80::f816:3eff:fe13:783f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:7a:a2:fb:29:ed 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-9629) 04/29/26 _x86_64_ (4 CPU) 11:16:33 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 12.66 1.96 9.90 0.81 125.71 2726.45 1604.47 11:40:03 23.09 0.79 19.32 2.98 28.21 2985.79 3394.56 Average: 17.89 1.37 14.62 1.90 76.87 2856.36 2501.15 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 10910856 14139452 1821544 11.13 129240 3231892 2109100 12.11 546356 4537612 23564 11:40:03 9030172 13124164 2829204 17.28 163340 3990956 3186976 18.29 759240 6124960 86444 Average: 9970514 13631808 2325374 14.20 146290 3611424 2648038 15.20 652798 5331286 55004 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 1.09 1.09 0.11 0.11 0.00 0.00 0.00 0.00 11:30:01 ens3 81.45 66.51 628.65 16.39 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:03 lo 1309.16 1309.16 1247.97 1247.97 0.00 0.00 0.00 0.00 11:40:03 ens3 74.25 52.51 320.81 15.37 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 656.32 656.32 625.18 625.18 0.00 0.00 0.00 0.00 Average: ens3 77.85 59.50 474.45 15.88 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-9629) 04/29/26 _x86_64_ (4 CPU) 11:16:33 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 55.22 0.00 1.89 0.19 0.14 42.57 11:30:01 0 55.54 0.00 1.73 0.03 0.14 42.57 11:30:01 1 54.23 0.00 1.81 0.22 0.13 43.61 11:30:01 2 55.89 0.00 2.02 0.30 0.14 41.65 11:30:01 3 55.20 0.00 1.99 0.21 0.16 42.44 11:40:03 all 68.97 0.00 3.07 0.13 0.18 27.66 11:40:03 0 72.51 0.00 3.40 0.10 0.18 23.81 11:40:03 1 67.70 0.00 2.96 0.11 0.19 29.05 11:40:03 2 65.43 0.00 2.82 0.24 0.17 31.34 11:40:03 3 70.23 0.00 3.12 0.06 0.17 26.43 Average: all 62.08 0.00 2.48 0.16 0.16 35.12 Average: 0 64.01 0.00 2.56 0.06 0.16 33.20 Average: 1 60.96 0.00 2.38 0.16 0.16 36.33 Average: 2 60.66 0.00 2.42 0.27 0.15 36.50 Average: 3 62.71 0.00 2.55 0.13 0.16 34.45