---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-430980 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 631 10424 4 4932 15014 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:bd:d4:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84707sec preferred_lft 84707sec inet6 fe80::f816:3eff:febd:d4ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:7b:e6:71:27:df 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-430980) 03/10/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:00 13.06 2.53 10.08 0.45 535.97 2975.90 633.98 20:30:00 3.18 0.20 2.86 0.12 6.31 428.94 228.86 Average: 8.12 1.36 6.47 0.28 271.14 1702.42 431.42 20:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:00 9468232 12589284 3373700 20.61 115560 3169540 3588476 20.60 638028 5913740 116 20:30:00 10495140 13741312 2220640 13.56 119572 3281008 2417868 13.88 667708 4852812 4152 Average: 9981686 13165298 2797170 17.08 117566 3225274 3003172 17.24 652868 5383276 2134 20:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:00 lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 20:20:00 ens3 69.42 54.83 836.86 8.30 0.00 0.00 0.00 0.00 20:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:00 lo 0.74 0.74 0.38 0.38 0.00 0.00 0.00 0.00 20:30:00 ens3 6.05 5.11 30.47 1.39 0.00 0.00 0.00 0.00 20:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 37.74 29.97 433.67 4.84 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-430980) 03/10/26 _x86_64_ (4 CPU) 20:07:31 LINUX RESTART (4 CPU) 20:10:00 CPU %user %nice %system %iowait %steal %idle 20:20:00 all 49.88 0.00 1.11 0.11 0.12 48.78 20:20:00 0 49.37 0.00 0.81 0.08 0.11 49.64 20:20:00 1 46.72 0.00 1.01 0.17 0.11 51.99 20:20:00 2 50.87 0.00 1.41 0.08 0.12 47.51 20:20:00 3 52.58 0.00 1.21 0.10 0.14 45.98 20:30:00 all 45.43 0.00 0.53 0.02 0.10 53.92 20:30:00 0 43.18 0.00 0.43 0.04 0.09 56.26 20:30:00 1 31.86 0.00 0.55 0.04 0.10 67.46 20:30:00 2 53.04 0.00 0.53 0.01 0.10 46.32 20:30:00 3 53.61 0.00 0.62 0.00 0.11 45.66 Average: all 47.65 0.00 0.82 0.06 0.11 51.35 Average: 0 46.27 0.00 0.62 0.06 0.10 52.95 Average: 1 39.30 0.00 0.78 0.10 0.10 59.72 Average: 2 51.96 0.00 0.97 0.05 0.11 46.92 Average: 3 53.09 0.00 0.91 0.05 0.12 45.82