---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-197 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 9.5G 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 597 11527 4 3864 15049 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:33:59:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85005sec preferred_lft 85005sec inet6 fe80::f816:3eff:fe33:591d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:e4:68:1b:41:4b 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-197) 04/07/26 _x86_64_ (4 CPU) 08:59:20 LINUX RESTART (4 CPU) 09:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 45.07 4.43 39.73 0.91 261.04 4171.79 2775.78 09:20:06 37.30 0.43 20.58 16.29 19.43 2552.39 242903.86 Average: 41.16 2.42 30.10 8.65 139.55 3357.46 123526.61 09:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 11355848 14399956 1563660 9.55 118200 3092792 1931868 11.09 482000 4192392 137448 09:20:06 9577648 13104996 2853880 17.43 137556 3512348 3130432 17.97 688768 5722136 8752 Average: 10466748 13752476 2208770 13.49 127878 3302570 2531150 14.53 585384 4957264 73100 09:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 93.58 93.58 88.73 88.73 0.00 0.00 0.00 0.00 09:10:01 ens3 109.76 79.33 1186.60 12.85 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:06 lo 1478.06 1478.06 1402.81 1402.81 0.00 0.00 0.00 0.00 09:20:06 ens3 41.25 34.62 54.29 13.72 0.00 0.00 0.00 0.00 09:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.78 789.78 749.53 749.53 0.00 0.00 0.00 0.00 Average: ens3 75.31 56.85 617.20 13.29 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-197) 04/07/26 _x86_64_ (4 CPU) 08:59:20 LINUX RESTART (4 CPU) 09:00:03 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 10.94 0.00 0.72 0.32 0.04 87.98 09:10:01 0 11.00 0.00 0.63 0.27 0.04 88.06 09:10:01 1 10.33 0.00 0.70 0.34 0.04 88.60 09:10:01 2 11.88 0.00 0.82 0.13 0.04 87.13 09:10:01 3 10.55 0.00 0.74 0.55 0.04 88.13 09:20:06 all 67.92 0.00 2.42 0.12 0.14 29.40 09:20:06 0 67.60 0.00 2.26 0.23 0.16 29.75 09:20:06 1 67.35 0.00 2.17 0.03 0.14 30.31 09:20:06 2 67.00 0.00 2.69 0.09 0.13 30.09 09:20:06 3 69.73 0.00 2.58 0.12 0.14 27.44 Average: all 39.53 0.00 1.58 0.22 0.09 58.59 Average: 0 39.43 0.00 1.45 0.25 0.10 58.78 Average: 1 38.94 0.00 1.44 0.18 0.09 59.35 Average: 2 39.55 0.00 1.76 0.11 0.09 58.50 Average: 3 40.21 0.00 1.66 0.33 0.09 57.71