---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6480 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 15% / 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 657 9144 4 6187 14989 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:2e:fd:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84408sec preferred_lft 84408sec inet6 fe80::f816:3eff:fe2e:fd4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:c5:e0:1c:24:45 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-6480) 03/20/26 _x86_64_ (4 CPU) 23:10:27 LINUX RESTART (4 CPU) 23:20:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:30:01 8.40 0.01 7.18 1.21 0.75 695.47 24448.79 23:40:18 37.83 0.58 32.19 5.07 19.22 8154.70 26351.81 Average: 23.53 0.30 20.04 3.19 10.24 4530.01 25427.07 23:20:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:30:01 9350604 13178256 2778200 16.97 139396 3799076 3056860 17.55 854640 5761328 2056 23:40:18 9394064 15372924 572728 3.50 177996 5810812 1111688 6.38 1731752 4734296 27604 Average: 9372334 14275590 1675464 10.23 158696 4804944 2084274 11.96 1293196 5247812 14830 23:20:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:30:01 lo 58.43 58.43 14.67 14.67 0.00 0.00 0.00 0.00 23:30:01 ens3 4.73 4.12 3.98 1.21 0.00 0.00 0.00 0.00 23:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:18 lo 2287.73 2287.73 2199.97 2199.97 0.00 0.00 0.00 0.00 23:40:18 ens3 59.06 50.07 451.41 24.41 0.00 0.00 0.00 0.00 23:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1204.44 1204.44 1138.06 1138.06 0.00 0.00 0.00 0.00 Average: ens3 32.66 27.74 233.99 13.14 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-6480) 03/20/26 _x86_64_ (4 CPU) 23:10:27 LINUX RESTART (4 CPU) 23:20:17 CPU %user %nice %system %iowait %steal %idle 23:30:01 all 15.65 0.00 0.80 0.05 0.09 83.41 23:30:01 0 15.43 0.00 0.81 0.04 0.09 83.63 23:30:01 1 15.82 0.00 0.85 0.02 0.09 83.22 23:30:01 2 15.26 0.00 0.83 0.03 0.09 83.79 23:30:01 3 16.11 0.00 0.70 0.11 0.09 82.99 23:40:18 all 48.53 0.00 2.59 0.18 0.08 48.62 23:40:18 0 46.65 0.00 2.42 0.24 0.08 50.62 23:40:18 1 50.63 0.00 2.87 0.17 0.08 46.24 23:40:18 2 48.97 0.00 2.41 0.11 0.08 48.43 23:40:18 3 47.89 0.00 2.66 0.19 0.08 49.18 Average: all 32.53 0.00 1.72 0.12 0.09 65.55 Average: 0 31.47 0.00 1.64 0.14 0.08 66.67 Average: 1 33.69 0.00 1.89 0.10 0.09 64.24 Average: 2 32.54 0.00 1.64 0.07 0.09 65.66 Average: 3 32.44 0.00 1.71 0.15 0.08 65.61