---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53605 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 668 11061 4 4259 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:75:04:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84301sec preferred_lft 84301sec inet6 fe80::f816:3eff:fe75:422/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:ab:17:e6:d5:3a 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-53605) 03/27/26 _x86_64_ (4 CPU) 20:53:33 LINUX RESTART (4 CPU) 21:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 17.12 2.63 13.05 1.44 145.75 2363.36 2836.69 21:20:21 46.57 0.02 38.50 8.05 0.63 3319.50 15478.59 Average: 32.34 1.28 26.20 4.86 70.75 2857.52 9370.37 21:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10863736 13892912 2069852 12.64 125364 3063792 2370752 13.61 481876 4686012 134772 21:20:21 10067416 13726228 2230268 13.62 184460 3557760 2443880 14.03 660508 5221036 124500 Average: 10465576 13809570 2150060 13.13 154912 3310776 2407316 13.82 571192 4953524 129636 21:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 929.11 929.11 885.70 885.70 0.00 0.00 0.00 0.00 21:10:01 ens3 89.93 69.80 798.71 13.07 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:21 lo 4822.54 4822.54 4598.73 4598.73 0.00 0.00 0.00 0.00 21:20:21 ens3 93.27 71.68 28.43 25.98 0.00 0.00 0.00 0.00 21:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2941.34 2941.34 2804.70 2804.70 0.00 0.00 0.00 0.00 Average: ens3 91.65 70.77 400.61 19.74 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-53605) 03/27/26 _x86_64_ (4 CPU) 20:53:33 LINUX RESTART (4 CPU) 21:00:21 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 20.97 0.00 1.25 0.06 0.04 77.68 21:10:01 0 21.05 0.00 1.22 0.06 0.05 77.62 21:10:01 1 21.39 0.00 1.07 0.03 0.04 77.47 21:10:01 2 20.76 0.00 1.55 0.09 0.04 77.56 21:10:01 3 20.68 0.00 1.15 0.07 0.05 78.06 21:20:21 all 65.11 0.00 4.14 0.10 0.10 30.55 21:20:21 0 65.10 0.00 4.00 0.08 0.10 30.72 21:20:21 1 64.08 0.00 3.83 0.17 0.10 31.82 21:20:21 2 66.38 0.00 4.32 0.06 0.10 29.14 21:20:21 3 64.88 0.00 4.40 0.09 0.10 30.53 Average: all 43.74 0.00 2.74 0.08 0.07 53.37 Average: 0 43.79 0.00 2.66 0.07 0.07 53.40 Average: 1 43.41 0.00 2.49 0.10 0.07 53.93 Average: 2 44.29 0.00 2.98 0.07 0.07 52.58 Average: 3 43.47 0.00 2.83 0.08 0.07 53.55