---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27166 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 10G 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 687 10922 4 4379 14959 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:60:51:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84828sec preferred_lft 84828sec inet6 fe80::f816:3eff:fe60:51d6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:f6:d0:e3:9d:d5 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27166) 06/13/26 _x86_64_ (4 CPU) 21:55:39 LINUX RESTART (4 CPU) 22:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:11 47.66 2.59 37.50 7.56 143.57 4461.16 6206.09 22:20:11 28.15 0.31 23.14 4.70 11.79 3195.27 4931.96 Average: 37.90 1.45 30.32 6.13 77.68 3828.21 5569.03 22:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:11 10247972 13676212 2282320 13.94 162612 3373288 2442464 14.02 589260 5142488 20612 22:20:11 11250572 15370960 582872 3.56 201388 3974304 1112776 6.39 786492 3859196 180 Average: 10749272 14523586 1432596 8.75 182000 3673796 1777620 10.20 687876 4500842 10396 22:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:11 lo 4134.33 4134.33 3942.76 3942.76 0.00 0.00 0.00 0.00 22:10:11 ens3 165.89 124.16 793.78 32.15 0.00 0.00 0.00 0.00 22:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:11 lo 2048.47 2048.47 1938.60 1938.60 0.00 0.00 0.00 0.00 22:20:11 ens3 113.66 105.32 119.26 157.10 0.00 0.00 0.00 0.00 22:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3091.40 3091.40 2940.68 2940.68 0.00 0.00 0.00 0.00 Average: ens3 139.78 114.74 456.52 94.62 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27166) 06/13/26 _x86_64_ (4 CPU) 21:55:39 LINUX RESTART (4 CPU) 22:00:11 CPU %user %nice %system %iowait %steal %idle 22:10:11 all 62.86 0.00 3.65 0.10 0.09 33.30 22:10:11 0 62.35 0.00 3.85 0.06 0.09 33.64 22:10:11 1 62.72 0.00 3.46 0.13 0.10 33.60 22:10:11 2 63.42 0.00 3.45 0.12 0.10 32.91 22:10:11 3 62.96 0.00 3.83 0.09 0.09 33.03 22:20:11 all 36.97 0.00 2.14 0.08 0.07 60.75 22:20:11 0 35.30 0.00 2.10 0.10 0.07 62.43 22:20:11 1 36.78 0.00 2.01 0.05 0.07 61.09 22:20:11 2 37.10 0.00 2.21 0.05 0.07 60.56 22:20:11 3 38.68 0.00 2.23 0.10 0.07 58.92 Average: all 49.90 0.00 2.89 0.09 0.08 47.04 Average: 0 48.82 0.00 2.98 0.08 0.08 48.04 Average: 1 49.73 0.00 2.73 0.09 0.08 47.36 Average: 2 50.25 0.00 2.83 0.09 0.09 46.75 Average: 3 50.81 0.00 3.03 0.10 0.08 45.99