---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54480 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 12G 66G 16% / 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 8808 4 6510 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:07:f9:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84517sec preferred_lft 84517sec inet6 fe80::f816:3eff:fe07:f967/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:bc:20:98:fe:82 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-54480) 03/31/26 _x86_64_ (4 CPU) 08:22:18 LINUX RESTART (4 CPU) 08:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:07 25.61 0.02 22.73 2.87 0.21 2225.25 7300.65 08:50:24 20.07 0.03 18.19 1.85 0.69 3753.79 9526.22 Average: 22.80 0.02 20.43 2.35 0.45 2999.91 8428.57 08:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:07 8969228 12696724 3260440 19.91 146544 3687524 3391564 19.47 729956 6269064 29104 08:50:24 5569400 10154696 5798424 35.41 160668 4496200 5621704 32.27 991764 9352552 300 Average: 7269314 11425710 4529432 27.66 153606 4091862 4506634 25.87 860860 7810808 14702 08:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:07 lo 1466.51 1466.51 1392.66 1392.66 0.00 0.00 0.00 0.00 08:40:07 ens3 25.73 21.79 35.03 7.08 0.00 0.00 0.00 0.00 08:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:24 lo 930.92 930.92 7313.01 7313.01 0.00 0.00 0.00 0.00 08:50:24 ens3 18.14 14.91 17.58 4.70 0.00 0.00 0.00 0.00 08:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1195.07 1195.07 4393.10 4393.10 0.00 0.00 0.00 0.00 Average: ens3 21.88 18.30 26.19 5.87 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-54480) 03/31/26 _x86_64_ (4 CPU) 08:22:18 LINUX RESTART (4 CPU) 08:30:07 CPU %user %nice %system %iowait %steal %idle 08:40:07 all 67.33 0.00 2.36 0.12 0.10 30.08 08:40:07 0 68.42 0.00 2.12 0.06 0.10 29.30 08:40:07 1 68.35 0.00 2.49 0.11 0.10 28.96 08:40:07 2 65.84 0.00 2.51 0.23 0.10 31.32 08:40:07 3 66.73 0.00 2.35 0.09 0.10 30.74 08:50:24 all 48.43 0.00 1.74 0.07 0.08 49.68 08:50:24 0 50.59 0.00 1.71 0.11 0.08 47.50 08:50:24 1 50.80 0.00 1.68 0.11 0.08 47.33 08:50:24 2 45.94 0.00 1.74 0.03 0.08 52.21 08:50:24 3 46.37 0.00 1.83 0.04 0.08 51.67 Average: all 57.74 0.00 2.05 0.10 0.09 40.02 Average: 0 59.38 0.00 1.91 0.09 0.09 38.53 Average: 1 59.45 0.00 2.08 0.11 0.09 38.27 Average: 2 55.75 0.00 2.12 0.13 0.09 41.92 Average: 3 56.39 0.00 2.08 0.06 0.09 41.37