---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26136 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 9.3G 69G 12% / 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 626 11723 4 3638 15019 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:2f:49:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84558sec preferred_lft 84558sec inet6 fe80::f816:3eff:fe2f:49bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:4d:9a:20:a1:b2 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-26136) 06/09/26 _x86_64_ (4 CPU) 08:06:32 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:01 3.95 0.09 3.58 0.28 3.71 261.82 323.17 08:30:21 31.39 2.72 28.08 0.59 146.11 2535.75 484.74 Average: 17.89 1.43 16.03 0.44 76.03 1416.72 405.23 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:01 13677828 15518344 498340 3.04 56784 2009712 1130812 6.49 225340 2207692 208 08:30:21 12273252 15033436 933744 5.70 104500 2839236 1412000 8.10 353644 3422560 207832 Average: 12975540 15275890 716042 4.37 80642 2424474 1271406 7.30 289492 2815126 104020 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 08:20:01 ens3 7.54 3.41 84.84 0.30 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:21 lo 0.30 0.30 0.03 0.03 0.00 0.00 0.00 0.00 08:30:21 ens3 64.51 48.84 654.05 9.64 0.00 0.00 0.00 0.00 08:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 36.47 26.49 373.93 5.04 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-26136) 06/09/26 _x86_64_ (4 CPU) 08:06:32 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:01 all 0.33 0.00 0.14 0.07 0.01 99.46 08:20:01 0 0.16 0.00 0.23 0.07 0.01 99.54 08:20:01 1 0.35 0.00 0.11 0.07 0.01 99.47 08:20:01 2 0.55 0.00 0.10 0.06 0.01 99.27 08:20:01 3 0.25 0.00 0.10 0.09 0.01 99.55 08:30:21 all 5.33 0.00 0.46 0.25 0.03 93.94 08:30:21 0 4.27 0.00 0.33 0.08 0.03 95.29 08:30:21 1 7.06 0.00 0.52 0.11 0.03 92.28 08:30:21 2 3.90 0.00 0.56 0.73 0.03 94.79 08:30:21 3 6.07 0.00 0.45 0.08 0.02 93.38 Average: all 2.87 0.00 0.30 0.16 0.02 96.65 Average: 0 2.25 0.00 0.28 0.08 0.02 97.38 Average: 1 3.76 0.00 0.32 0.09 0.02 95.82 Average: 2 2.25 0.00 0.33 0.40 0.02 97.00 Average: 3 3.21 0.00 0.28 0.08 0.01 96.41