---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6694 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 11G 68G 14% / 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 663 10527 4 4798 14983 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:f1:68:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84547sec preferred_lft 84547sec inet6 fe80::f816:3eff:fef1:68f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:51:f1:8c:94:cd 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-6694) 03/21/26 _x86_64_ (4 CPU) 16:51:31 LINUX RESTART (4 CPU) 17:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:05 13.68 0.45 12.16 1.07 16.25 2652.61 1379.12 17:20:01 32.88 0.78 27.70 4.40 26.31 3925.50 2207.87 Average: 23.25 0.61 19.90 2.73 21.27 3286.89 1792.09 17:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:05 9953360 13532688 2424560 14.81 149280 3525012 2861212 16.42 654848 5353532 27472 17:20:01 10820760 15374700 575724 3.52 175720 4409700 1088416 6.25 915368 4128136 208 Average: 10387060 14453694 1500142 9.16 162500 3967356 1974814 11.34 785108 4740834 13840 17:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:05 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 17:10:05 ens3 56.47 46.87 138.83 16.32 0.00 0.00 0.00 0.00 17:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 1672.70 1672.70 1587.24 1587.24 0.00 0.00 0.00 0.00 17:20:01 ens3 96.42 83.12 407.45 119.63 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 834.19 834.19 791.00 791.00 0.00 0.00 0.00 0.00 Average: ens3 76.38 64.93 272.68 67.80 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-6694) 03/21/26 _x86_64_ (4 CPU) 16:51:31 LINUX RESTART (4 CPU) 17:00:06 CPU %user %nice %system %iowait %steal %idle 17:10:05 all 73.32 0.00 2.27 0.05 0.13 24.23 17:10:05 0 72.62 0.00 2.21 0.06 0.13 24.98 17:10:05 1 74.80 0.00 2.35 0.04 0.13 22.70 17:10:05 2 73.36 0.00 2.37 0.03 0.12 24.13 17:10:05 3 72.52 0.00 2.17 0.07 0.12 25.12 17:20:01 all 50.44 0.00 2.26 0.12 0.10 47.08 17:20:01 0 51.84 0.00 2.43 0.14 0.10 45.49 17:20:01 1 47.04 0.00 2.16 0.15 0.09 50.55 17:20:01 2 50.96 0.00 2.23 0.13 0.10 46.57 17:20:01 3 51.92 0.00 2.22 0.05 0.10 45.70 Average: all 61.92 0.00 2.27 0.08 0.11 35.62 Average: 0 62.26 0.00 2.32 0.10 0.11 35.20 Average: 1 60.96 0.00 2.26 0.09 0.11 36.58 Average: 2 62.20 0.00 2.30 0.08 0.11 35.31 Average: 3 62.26 0.00 2.19 0.06 0.11 35.37