---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5615 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 692 9391 4 5905 14954 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:9b:0d:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84451sec preferred_lft 84451sec inet6 fe80::f816:3eff:fe9b:ddc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:1c:f6:06:e7:d4 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-5615) 03/18/26 _x86_64_ (4 CPU) 17:23:37 LINUX RESTART (4 CPU) 17:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 26.44 0.03 10.62 15.79 0.81 893.70 296945.36 17:50:06 34.28 0.18 30.03 4.06 5.75 7240.01 27094.73 Average: 30.41 0.11 20.46 9.85 3.31 4110.26 160174.48 17:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 9616604 13095948 2862112 17.48 132504 3467272 3090000 17.74 688228 5671660 180 17:50:06 7516532 12999980 2947512 18.00 166408 5343364 2958708 16.98 1480268 6856924 3660 Average: 8566568 13047964 2904812 17.74 149456 4405318 3024354 17.36 1084248 6264292 1920 17:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 42.95 42.95 10.29 10.29 0.00 0.00 0.00 0.00 17:40:01 ens3 12.29 10.21 13.00 3.30 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:06 lo 1783.97 1783.97 1693.97 1693.97 0.00 0.00 0.00 0.00 17:50:06 ens3 78.33 58.99 462.31 13.79 0.00 0.00 0.00 0.00 17:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 925.37 925.37 863.64 863.64 0.00 0.00 0.00 0.00 Average: ens3 45.76 34.93 240.73 8.62 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-5615) 03/18/26 _x86_64_ (4 CPU) 17:23:37 LINUX RESTART (4 CPU) 17:30:12 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 24.79 0.00 0.95 0.07 0.09 74.10 17:40:01 0 24.92 0.00 0.94 0.02 0.09 74.03 17:40:01 1 25.62 0.00 1.07 0.06 0.10 73.15 17:40:01 2 24.71 0.00 0.90 0.15 0.09 74.15 17:40:01 3 23.90 0.00 0.87 0.04 0.10 75.09 17:50:06 all 44.86 0.00 2.29 0.10 0.10 52.65 17:50:06 0 43.74 0.00 1.92 0.16 0.10 54.07 17:50:06 1 46.91 0.00 2.71 0.11 0.10 50.17 17:50:06 2 44.27 0.00 1.90 0.04 0.10 53.70 17:50:06 3 44.51 0.00 2.61 0.11 0.10 52.67 Average: all 34.96 0.00 1.63 0.09 0.10 63.23 Average: 0 34.45 0.00 1.44 0.09 0.10 63.92 Average: 1 36.41 0.00 1.90 0.09 0.10 61.50 Average: 2 34.61 0.00 1.41 0.10 0.09 63.79 Average: 3 34.35 0.00 1.76 0.07 0.10 63.72