---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2071 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 9.9G 68G 13% / 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 667 11046 4 4275 14979 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:b2:1b:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84630sec preferred_lft 84630sec inet6 fe80::f816:3eff:feb2:1b2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:c0:cc:70:52:e4 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-2071) 04/11/26 _x86_64_ (4 CPU) 20:54:02 LINUX RESTART (4 CPU) 21:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:34 35.34 2.41 27.72 5.21 134.00 3564.26 8333.40 21:20:09 39.93 0.32 32.66 6.95 12.30 4007.57 6825.14 Average: 37.53 1.41 30.07 6.04 76.05 3775.34 7615.25 21:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:34 10523500 13816428 2144032 13.09 149296 3272740 2493828 14.31 553864 4927364 110272 21:20:09 11379080 15389288 565424 3.45 203300 3871416 1114976 6.40 787980 3742168 16 Average: 10951290 14602858 1354728 8.27 176298 3572078 1804402 10.36 670922 4334766 55144 21:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:34 lo 2897.63 2897.63 2762.97 2762.97 0.00 0.00 0.00 0.00 21:10:34 ens3 128.08 100.96 736.94 25.21 0.00 0.00 0.00 0.00 21:10:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:09 lo 3285.34 3285.34 3125.45 3125.45 0.00 0.00 0.00 0.00 21:20:09 ens3 119.27 97.76 122.11 111.98 0.00 0.00 0.00 0.00 21:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3082.24 3082.24 2935.56 2935.56 0.00 0.00 0.00 0.00 Average: ens3 123.88 99.43 444.20 66.53 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-2071) 04/11/26 _x86_64_ (4 CPU) 20:54:02 LINUX RESTART (4 CPU) 21:00:01 CPU %user %nice %system %iowait %steal %idle 21:10:34 all 46.57 0.00 2.68 0.18 0.07 50.49 21:10:34 0 46.66 0.00 2.95 0.14 0.08 50.18 21:10:34 1 45.59 0.00 2.53 0.28 0.07 51.52 21:10:34 2 47.75 0.00 2.46 0.14 0.08 49.57 21:10:34 3 46.27 0.00 2.79 0.17 0.07 50.69 21:20:09 all 50.56 0.00 3.05 0.29 0.09 46.01 21:20:09 0 47.91 0.00 2.69 0.54 0.09 48.77 21:20:09 1 53.60 0.00 3.09 0.25 0.09 42.97 21:20:09 2 51.46 0.00 2.98 0.25 0.09 45.22 21:20:09 3 49.27 0.00 3.46 0.13 0.09 47.05 Average: all 48.47 0.00 2.86 0.24 0.08 48.36 Average: 0 47.25 0.00 2.83 0.33 0.08 49.51 Average: 1 49.40 0.00 2.79 0.27 0.08 47.45 Average: 2 49.52 0.00 2.71 0.19 0.08 47.50 Average: 3 47.70 0.00 3.11 0.15 0.08 48.96