---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33519 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 621 10183 4 5184 15025 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:e3:c7:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84802sec preferred_lft 84802sec inet6 fe80::f816:3eff:fee3:c7aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:97:af:06:ed:44 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-33519) 07/07/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 7.08 0.58 6.06 0.44 411.76 1040.38 353.82 00:50:06 19.71 0.53 17.64 1.54 19.69 2564.74 7526.45 Average: 13.24 0.56 11.70 0.98 220.64 1783.44 3850.16 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 10478452 13807972 2153360 13.15 118580 3362140 2443772 14.03 636940 4890540 25372 00:50:06 9801160 13598448 2358856 14.41 138500 3780640 2527020 14.51 827268 5329620 14644 Average: 10139806 13703210 2256108 13.78 128540 3571390 2485396 14.27 732104 5110080 20008 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 0.65 0.65 0.37 0.37 0.00 0.00 0.00 0.00 00:40:18 ens3 73.13 49.95 207.26 6.73 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:06 lo 455.73 455.73 434.14 434.14 0.00 0.00 0.00 0.00 00:50:06 ens3 47.42 33.10 463.51 5.66 0.00 0.00 0.00 0.00 00:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 222.48 222.48 211.82 211.82 0.00 0.00 0.00 0.00 Average: ens3 60.60 41.74 332.17 6.21 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-33519) 07/07/26 _x86_64_ (4 CPU) 00:25:30 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 50.74 0.00 0.80 0.05 0.08 48.33 00:40:18 0 61.64 0.00 0.81 0.06 0.08 37.42 00:40:18 1 45.62 0.00 0.78 0.02 0.08 53.50 00:40:18 2 47.63 0.00 0.77 0.09 0.08 51.43 00:40:18 3 48.07 0.00 0.84 0.04 0.07 50.98 00:50:06 all 60.70 0.00 1.37 0.06 0.09 37.79 00:50:06 0 65.22 0.00 1.50 0.10 0.09 33.09 00:50:06 1 70.11 0.00 1.18 0.05 0.09 28.58 00:50:06 2 55.45 0.00 1.30 0.04 0.09 43.12 00:50:06 3 52.01 0.00 1.50 0.05 0.09 46.36 Average: all 55.59 0.00 1.08 0.06 0.08 43.19 Average: 0 63.38 0.00 1.15 0.08 0.08 35.31 Average: 1 57.55 0.00 0.98 0.03 0.08 41.36 Average: 2 51.44 0.00 1.03 0.07 0.08 47.38 Average: 3 49.99 0.00 1.16 0.05 0.08 48.73