---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10431 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 66G 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 680 9393 4 5914 14965 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:2e:c9:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84627sec preferred_lft 84627sec inet6 fe80::f816:3eff:fe2e:c96b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:1f:53:3f:42:c9 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-10431) 05/02/26 _x86_64_ (4 CPU) 21:55:10 LINUX RESTART (4 CPU) 22:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:00 22.27 0.11 19.75 2.42 9.15 2158.52 21632.94 22:20:10 29.07 0.03 26.29 2.74 0.41 4226.50 19909.59 Average: 25.73 0.07 23.07 2.58 4.71 3209.81 20756.85 22:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:00 9320040 13024560 2933188 17.91 136372 3686268 2978540 17.10 702348 5961680 94752 22:20:10 6275704 10898560 5055132 30.87 152692 4546560 4970828 28.53 981340 8670996 24 Average: 7797872 11961560 3994160 24.39 144532 4116414 3974684 22.81 841844 7316338 47388 22:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:00 lo 1157.08 1157.08 1095.65 1095.65 0.00 0.00 0.00 0.00 22:10:00 ens3 41.27 33.97 26.58 12.93 0.00 0.00 0.00 0.00 22:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:10 lo 1183.07 1183.07 1166.58 1166.58 0.00 0.00 0.00 0.00 22:20:10 ens3 49.64 35.61 40.19 13.38 0.00 0.00 0.00 0.00 22:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1170.29 1170.29 1131.70 1131.70 0.00 0.00 0.00 0.00 Average: ens3 45.53 34.80 33.50 13.16 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-10431) 05/02/26 _x86_64_ (4 CPU) 21:55:10 LINUX RESTART (4 CPU) 22:00:10 CPU %user %nice %system %iowait %steal %idle 22:10:00 all 66.04 0.00 2.17 0.06 0.09 31.64 22:10:00 0 65.67 0.00 2.17 0.04 0.09 32.04 22:10:00 1 66.61 0.00 2.32 0.06 0.09 30.92 22:10:00 2 65.77 0.00 2.16 0.06 0.10 31.91 22:10:00 3 66.13 0.00 2.01 0.07 0.09 31.70 22:20:10 all 54.74 0.00 2.15 0.12 0.08 42.90 22:20:10 0 52.37 0.00 2.19 0.10 0.08 45.26 22:20:10 1 56.19 0.00 2.24 0.11 0.08 41.38 22:20:10 2 55.45 0.00 2.17 0.20 0.08 42.09 22:20:10 3 54.94 0.00 2.01 0.08 0.08 42.89 Average: all 60.30 0.00 2.16 0.09 0.09 37.36 Average: 0 58.91 0.00 2.18 0.07 0.09 38.76 Average: 1 61.32 0.00 2.28 0.08 0.09 36.23 Average: 2 60.52 0.00 2.17 0.13 0.09 37.08 Average: 3 60.44 0.00 2.01 0.07 0.09 37.39