---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10359 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 9.8G 68G 13% / 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 643 11167 4 4178 15003 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:79:2e:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84903sec preferred_lft 84903sec inet6 fe80::f816:3eff:fe79:2eda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:9c:e4:a2:92:12 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-10359) 05/02/26 _x86_64_ (4 CPU) 10:47:21 LINUX RESTART (4 CPU) 10:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:02 5.00 0.25 4.57 0.18 25.29 854.60 20.44 11:10:01 16.17 0.52 14.51 1.13 19.00 2112.29 6292.11 Average: 10.59 0.39 9.54 0.66 22.14 1483.72 3157.64 10:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:02 8352472 11304740 4659636 28.46 106632 3018368 4904396 28.15 475616 7217040 196 11:10:01 8408160 12066320 3894096 23.78 126468 3666232 4155824 23.85 684148 6908792 267744 Average: 8380316 11685530 4276866 26.12 116550 3342300 4530110 26.00 579882 7062916 133970 10:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:02 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 11:00:02 ens3 16.62 12.42 81.60 3.42 0.00 0.00 0.00 0.00 11:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 355.61 355.61 338.29 338.29 0.00 0.00 0.00 0.00 11:10:01 ens3 43.10 32.09 435.69 6.11 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 178.20 178.20 169.41 169.41 0.00 0.00 0.00 0.00 Average: ens3 29.86 22.26 258.72 4.76 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-10359) 05/02/26 _x86_64_ (4 CPU) 10:47:21 LINUX RESTART (4 CPU) 10:50:02 CPU %user %nice %system %iowait %steal %idle 11:00:02 all 46.75 0.00 0.71 0.02 0.08 52.44 11:00:02 0 36.76 0.00 0.83 0.02 0.09 62.29 11:00:02 1 39.21 0.00 0.57 0.03 0.08 60.12 11:00:02 2 55.18 0.00 0.71 0.02 0.09 44.00 11:00:02 3 55.86 0.00 0.71 0.02 0.08 43.34 11:10:01 all 50.49 0.00 1.17 0.05 0.08 48.20 11:10:01 0 63.27 0.00 1.12 0.08 0.09 35.44 11:10:01 1 48.72 0.00 1.29 0.03 0.09 49.88 11:10:01 2 39.35 0.00 1.18 0.05 0.08 59.34 11:10:01 3 50.59 0.00 1.11 0.06 0.08 48.16 Average: all 48.62 0.00 0.94 0.04 0.08 50.32 Average: 0 50.03 0.00 0.97 0.05 0.09 48.85 Average: 1 43.96 0.00 0.93 0.03 0.08 55.00 Average: 2 47.26 0.00 0.94 0.04 0.09 51.68 Average: 3 53.22 0.00 0.91 0.04 0.08 45.75