---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33635 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 634 10563 4 4790 15012 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:20:ea:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84653sec preferred_lft 84653sec inet6 fe80::f816:3eff:fe20:eaa8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:79:7d:e6:4b:fc 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-33635) 03/25/26 _x86_64_ (4 CPU) 07:34:18 LINUX RESTART (4 CPU) 07:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:32 3.36 0.07 3.15 0.14 6.98 487.15 34.13 08:00:24 13.56 0.52 12.13 0.91 19.24 2313.01 5193.83 Average: 8.38 0.29 7.57 0.52 13.01 1386.11 2574.50 07:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:32 10625232 13601760 2362036 14.43 112224 3029484 2712300 15.57 492000 4923840 6432 08:00:24 9206596 12900748 3058748 18.68 132568 3687632 3180828 18.26 691608 6082756 278452 Average: 9915914 13251254 2710392 16.55 122396 3358558 2946564 16.91 591804 5503298 142442 07:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:32 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 07:50:32 ens3 7.52 6.37 34.23 1.89 0.00 0.00 0.00 0.00 07:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:24 lo 317.64 317.64 302.66 302.66 0.00 0.00 0.00 0.00 08:00:24 ens3 34.63 26.48 415.11 3.74 0.00 0.00 0.00 0.00 08:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 156.68 156.68 149.20 149.20 0.00 0.00 0.00 0.00 Average: ens3 20.87 16.27 221.76 2.80 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-33635) 03/25/26 _x86_64_ (4 CPU) 07:34:18 LINUX RESTART (4 CPU) 07:40:23 CPU %user %nice %system %iowait %steal %idle 07:50:32 all 46.10 0.00 0.69 0.34 0.12 52.75 07:50:32 0 65.84 0.00 0.84 0.34 0.14 32.83 07:50:32 1 39.02 0.00 0.66 0.15 0.11 60.06 07:50:32 2 30.67 0.00 0.50 0.26 0.11 68.47 07:50:32 3 48.93 0.00 0.75 0.61 0.11 49.59 08:00:24 all 51.98 0.00 1.12 0.88 0.12 45.90 08:00:24 0 42.55 0.00 1.04 0.82 0.11 55.49 08:00:24 1 52.91 0.00 1.14 1.43 0.12 44.41 08:00:24 2 66.04 0.00 1.20 0.57 0.14 32.06 08:00:24 3 46.46 0.00 1.11 0.71 0.12 51.60 Average: all 49.00 0.00 0.90 0.61 0.12 49.38 Average: 0 54.36 0.00 0.94 0.58 0.12 44.00 Average: 1 45.85 0.00 0.90 0.78 0.11 52.35 Average: 2 48.06 0.00 0.84 0.41 0.12 50.57 Average: 3 47.71 0.00 0.93 0.66 0.11 50.58