---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1567 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: 5599.94 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 68G 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 669 10601 4 4718 14977 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:16:05:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe16:5b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:ca:1a:11:d6:e0 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-1567) 04/09/26 _x86_64_ (4 CPU) 21:41:47 LINUX RESTART (4 CPU) 21:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:00:03 12.28 0.64 10.59 1.05 25.63 2907.89 453.69 22:10:03 30.50 0.78 25.53 4.19 27.00 4109.67 5897.73 Average: 21.39 0.71 18.06 2.62 26.31 3508.78 3175.71 21:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:00:03 10151244 13576280 2382404 14.55 142548 3391584 2675860 15.36 617552 5210268 32480 22:10:03 10916568 15388712 562752 3.44 177932 4333720 1108856 6.36 898760 4070500 120 Average: 10533906 14482496 1472578 8.99 160240 3862652 1892358 10.86 758156 4640384 16300 21:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:00:03 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 22:00:03 ens3 62.26 48.97 95.90 17.11 0.00 0.00 0.00 0.00 22:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:03 lo 1744.79 1744.79 1658.10 1658.10 0.00 0.00 0.00 0.00 22:10:03 ens3 87.21 72.84 408.88 80.10 0.00 0.00 0.00 0.00 22:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 873.10 873.10 829.12 829.12 0.00 0.00 0.00 0.00 Average: ens3 74.73 60.90 252.39 48.60 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-1567) 04/09/26 _x86_64_ (4 CPU) 21:41:47 LINUX RESTART (4 CPU) 21:50:03 CPU %user %nice %system %iowait %steal %idle 22:00:03 all 72.72 0.00 2.48 0.03 0.08 24.68 22:00:03 0 73.68 0.00 2.70 0.04 0.08 23.49 22:00:03 1 73.09 0.00 2.94 0.03 0.09 23.84 22:00:03 2 72.26 0.00 2.19 0.02 0.08 25.45 22:00:03 3 71.86 0.00 2.10 0.03 0.08 25.93 22:10:03 all 59.25 0.00 2.64 0.08 0.08 37.95 22:10:03 0 54.28 0.00 2.11 0.11 0.08 43.42 22:10:03 1 64.39 0.00 2.85 0.05 0.08 32.63 22:10:03 2 60.59 0.00 3.05 0.12 0.08 36.16 22:10:03 3 57.74 0.00 2.56 0.05 0.09 39.56 Average: all 65.99 0.00 2.56 0.06 0.08 31.31 Average: 0 63.98 0.00 2.40 0.08 0.08 33.46 Average: 1 68.74 0.00 2.90 0.04 0.08 28.23 Average: 2 66.43 0.00 2.62 0.07 0.08 30.80 Average: 3 64.80 0.00 2.33 0.04 0.09 32.75