---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-465737 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: 5600.00 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 11012 4 4309 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:5d:f8:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84822sec preferred_lft 84822sec inet6 fe80::f816:3eff:fe5d:f85c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:80:e5:02:ce:2a 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-465737) 03/13/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 46.56 2.62 36.88 7.07 144.99 4511.61 30535.99 22:20:01 30.29 0.14 24.95 5.21 6.52 3341.83 10162.87 Average: 38.43 1.38 30.91 6.14 75.75 3926.72 20349.43 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 10371468 13710624 2247556 13.73 159768 3298232 2434600 13.97 581964 5030748 38920 22:20:01 11336572 15386744 566540 3.46 200032 3913172 1093296 6.28 790884 3790664 292 Average: 10854020 14548684 1407048 8.59 179900 3605702 1763948 10.13 686424 4410706 19606 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 3872.26 3872.26 3692.76 3692.76 0.00 0.00 0.00 0.00 22:10:01 ens3 159.68 115.85 845.34 29.11 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 2275.20 2275.20 2157.06 2157.06 0.00 0.00 0.00 0.00 22:20:01 ens3 115.56 105.50 119.90 159.01 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 3073.73 3073.73 2924.91 2924.91 0.00 0.00 0.00 0.00 Average: ens3 137.62 110.68 482.62 94.06 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-465737) 03/13/26 _x86_64_ (4 CPU) 21:55:29 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 60.97 0.00 3.73 0.17 0.11 35.02 22:10:01 0 60.25 0.00 3.59 0.19 0.10 35.87 22:10:01 1 61.17 0.00 3.97 0.09 0.11 34.66 22:10:01 2 60.19 0.00 3.90 0.28 0.11 35.51 22:10:01 3 62.26 0.00 3.46 0.13 0.10 34.05 22:20:01 all 42.11 0.00 2.41 0.11 0.08 55.28 22:20:01 0 41.35 0.00 2.50 0.07 0.08 56.00 22:20:01 1 42.76 0.00 2.43 0.07 0.08 54.66 22:20:01 2 40.05 0.00 2.44 0.21 0.08 57.22 22:20:01 3 44.30 0.00 2.27 0.09 0.08 53.26 Average: all 51.53 0.00 3.07 0.14 0.10 45.17 Average: 0 50.78 0.00 3.05 0.13 0.09 45.95 Average: 1 51.96 0.00 3.20 0.08 0.10 44.67 Average: 2 50.11 0.00 3.17 0.25 0.10 46.38 Average: 3 53.27 0.00 2.86 0.11 0.09 43.66