---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22416 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 10349 4 5005 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:34:31:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84639sec preferred_lft 84639sec inet6 fe80::f816:3eff:fe34:3173/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:3b:73:d4:55:76 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-22416) 03/24/26 _x86_64_ (4 CPU) 21:56:02 LINUX RESTART (4 CPU) 22:00:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:38 10.01 2.10 7.52 0.40 521.58 2163.04 355.78 22:20:01 3.13 0.03 3.03 0.08 0.99 341.40 11.84 Average: 6.68 1.10 5.34 0.24 269.60 1281.30 189.30 22:00:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:38 9483252 12660420 3302808 20.17 114740 3225632 3546680 20.36 622776 5926776 296 22:20:01 10400332 13684400 2278124 13.91 118304 3319768 2537316 14.56 647712 4978764 19460 Average: 9941792 13172410 2790466 17.04 116522 3272700 3041998 17.46 635244 5452770 9878 22:00:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:38 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 22:10:38 ens3 53.10 38.73 562.69 5.11 0.00 0.00 0.00 0.00 22:10:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 0.51 0.51 0.39 0.39 0.00 0.00 0.00 0.00 22:20:01 ens3 4.10 3.28 2.22 0.92 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 29.39 21.57 291.40 3.08 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-22416) 03/24/26 _x86_64_ (4 CPU) 21:56:02 LINUX RESTART (4 CPU) 22:00:38 CPU %user %nice %system %iowait %steal %idle 22:10:38 all 47.92 0.00 0.95 0.16 0.09 50.88 22:10:38 0 43.16 0.00 0.83 0.07 0.08 55.85 22:10:38 1 54.62 0.00 0.97 0.39 0.09 43.94 22:10:38 2 46.04 0.00 1.09 0.09 0.09 52.69 22:10:38 3 47.87 0.00 0.91 0.11 0.09 51.01 22:20:01 all 43.69 0.00 0.48 0.02 0.08 55.73 22:20:01 0 35.60 0.00 0.38 0.01 0.08 63.93 22:20:01 1 32.35 0.00 0.44 0.04 0.08 67.09 22:20:01 2 79.66 0.00 0.67 0.02 0.09 19.56 22:20:01 3 27.19 0.00 0.43 0.01 0.07 72.30 Average: all 45.87 0.00 0.72 0.09 0.08 53.23 Average: 0 39.50 0.00 0.61 0.04 0.08 59.77 Average: 1 43.84 0.00 0.71 0.22 0.08 55.14 Average: 2 62.31 0.00 0.89 0.05 0.09 36.66 Average: 3 37.85 0.00 0.68 0.06 0.08 61.33