---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4773 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 614 10533 4 4841 15031 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:ff:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84820sec preferred_lft 84820sec inet6 fe80::f816:3eff:fefa:ffb3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:01:31:82:df:65 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-4773) 03/18/26 _x86_64_ (4 CPU) 11:17:52 LINUX RESTART (4 CPU) 11:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:09 10.13 1.71 8.05 0.37 122.84 2655.84 748.63 11:40:09 6.04 0.37 5.42 0.26 11.31 743.92 398.48 Average: 8.09 1.04 6.74 0.31 67.07 1699.88 573.55 11:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:09 9349212 12366396 3595896 21.96 113724 3068084 3790584 21.76 498376 6183936 7076 11:40:09 9301968 13005800 2952656 18.03 131176 3698644 3116616 17.89 593556 6074348 489492 Average: 9325590 12686098 3274276 20.00 122450 3383364 3453600 19.82 545966 6129142 248284 11:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:09 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 11:30:09 ens3 30.51 24.15 277.96 3.97 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:09 lo 74.34 74.34 70.50 70.50 0.00 0.00 0.00 0.00 11:40:09 ens3 36.99 26.32 408.59 3.41 0.00 0.00 0.00 0.00 11:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 37.51 37.51 35.44 35.44 0.00 0.00 0.00 0.00 Average: ens3 33.75 25.24 343.27 3.69 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-4773) 03/18/26 _x86_64_ (4 CPU) 11:17:52 LINUX RESTART (4 CPU) 11:20:09 CPU %user %nice %system %iowait %steal %idle 11:30:09 all 51.98 0.00 0.96 0.09 0.08 46.89 11:30:09 0 44.48 0.00 1.02 0.08 0.08 54.35 11:30:09 1 53.85 0.00 0.77 0.03 0.08 45.26 11:30:09 2 55.61 0.00 1.11 0.12 0.08 43.09 11:30:09 3 53.96 0.00 0.93 0.14 0.09 44.88 11:40:09 all 48.20 0.00 0.78 0.03 0.08 50.91 11:40:09 0 35.28 0.00 0.75 0.01 0.08 63.88 11:40:09 1 47.73 0.00 0.69 0.04 0.08 51.45 11:40:09 2 52.58 0.00 0.79 0.02 0.08 46.54 11:40:09 3 57.20 0.00 0.89 0.03 0.09 41.79 Average: all 50.09 0.00 0.87 0.06 0.08 48.91 Average: 0 39.88 0.00 0.88 0.05 0.08 59.12 Average: 1 50.79 0.00 0.73 0.04 0.08 48.36 Average: 2 54.09 0.00 0.95 0.07 0.08 44.82 Average: 3 55.58 0.00 0.91 0.09 0.09 43.33