---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1918 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 12G 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 760 9655 4 5573 14886 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:fa:20:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84630sec preferred_lft 84630sec inet6 fe80::f816:3eff:fefa:20e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:ae:d8:23:71:30 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-1918) 08/04/26 _x86_64_ (4 CPU) 00:39:56 LINUX RESTART (4 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:03 55.37 11.45 42.52 1.40 1530.51 10123.02 4051.24 01:00:03 50.51 0.33 41.32 8.86 9.95 3847.35 18631.99 Average: 52.95 5.90 41.92 5.12 771.72 6991.34 11327.30 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:03 10255384 13682280 2277056 13.91 143948 3400036 2875932 16.51 570584 5163072 68480 01:00:03 8892684 13122916 2829252 17.28 189024 4095756 3110684 17.86 769396 6254064 114908 Average: 9574034 13402598 2553154 15.59 166486 3747896 2993308 17.18 669990 5708568 91694 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:03 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 00:50:03 ens3 136.60 102.52 878.14 22.72 0.00 0.00 0.00 0.00 00:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:03 lo 4824.78 4824.78 4601.40 4601.40 0.00 0.00 0.00 0.00 01:00:03 ens3 63.39 49.69 316.38 12.44 0.00 0.00 0.00 0.00 01:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2408.39 2408.39 2296.26 2296.26 0.00 0.00 0.00 0.00 Average: ens3 100.07 76.16 597.81 17.59 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-1918) 08/04/26 _x86_64_ (4 CPU) 00:39:56 LINUX RESTART (4 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:03 all 60.14 0.00 2.31 0.84 0.10 36.62 00:50:03 0 57.94 0.00 1.96 0.11 0.09 39.89 00:50:03 1 61.44 0.00 2.42 0.73 0.10 35.31 00:50:03 2 62.47 0.00 2.52 0.30 0.10 34.61 00:50:03 3 58.69 0.00 2.34 2.20 0.10 36.67 01:00:03 all 63.08 0.00 3.96 0.10 0.11 32.75 01:00:03 0 62.16 0.00 3.92 0.11 0.11 33.71 01:00:03 1 63.65 0.00 3.84 0.12 0.10 32.29 01:00:03 2 63.22 0.00 3.91 0.08 0.11 32.68 01:00:03 3 63.30 0.00 4.15 0.10 0.11 32.34 Average: all 61.60 0.00 3.13 0.47 0.10 34.69 Average: 0 60.04 0.00 2.94 0.11 0.10 36.81 Average: 1 62.54 0.00 3.13 0.43 0.10 33.80 Average: 2 62.84 0.00 3.21 0.19 0.10 33.65 Average: 3 60.99 0.00 3.24 1.15 0.10 34.51