---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-345271 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 67G 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 682 10362 4 4943 14964 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:7f:c4:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84934sec preferred_lft 84934sec inet6 fe80::f816:3eff:fe7f:c461/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:7e:08:a5:9a:55 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-345271) 03/09/26 _x86_64_ (4 CPU) 14:29:23 LINUX RESTART (4 CPU) 14:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:01 63.78 4.27 44.23 15.28 653.09 5380.01 245699.79 14:50:11 31.96 0.99 26.53 4.45 33.50 4655.97 8049.02 Average: 47.64 2.61 35.25 9.78 338.83 5012.77 125161.75 14:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 10159820 13614224 2345208 14.32 137616 3441548 2596352 14.90 721596 5107624 17200 14:50:11 10697228 15398376 552332 3.37 171976 4560296 1089336 6.25 1052276 4123564 1128 Average: 10428524 14506300 1448770 8.85 154796 4000922 1842844 10.58 886936 4615594 9164 14:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 lo 1.37 1.37 0.15 0.15 0.00 0.00 0.00 0.00 14:40:01 ens3 134.54 100.41 965.38 22.59 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:11 lo 1606.25 1606.25 1529.49 1529.49 0.00 0.00 0.00 0.00 14:50:11 ens3 91.83 71.64 422.68 41.24 0.00 0.00 0.00 0.00 14:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.38 815.38 775.84 775.84 0.00 0.00 0.00 0.00 Average: ens3 112.88 85.82 690.12 32.05 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-345271) 03/09/26 _x86_64_ (4 CPU) 14:29:23 LINUX RESTART (4 CPU) 14:30:08 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 64.86 0.00 2.30 0.29 0.10 32.45 14:40:01 0 65.82 0.00 2.31 0.76 0.10 31.01 14:40:01 1 64.10 0.00 2.30 0.14 0.10 33.36 14:40:01 2 63.09 0.00 2.14 0.06 0.09 34.61 14:40:01 3 66.41 0.00 2.44 0.22 0.09 30.84 14:50:11 all 65.16 0.00 2.59 0.08 0.09 32.08 14:50:11 0 64.79 0.00 2.58 0.04 0.10 32.49 14:50:11 1 62.26 0.00 2.50 0.08 0.09 35.07 14:50:11 2 67.26 0.00 2.58 0.06 0.10 30.00 14:50:11 3 66.31 0.00 2.70 0.12 0.10 30.77 Average: all 65.01 0.00 2.45 0.18 0.10 32.26 Average: 0 65.30 0.00 2.45 0.40 0.10 31.76 Average: 1 63.17 0.00 2.40 0.11 0.09 34.23 Average: 2 65.20 0.00 2.36 0.06 0.09 32.28 Average: 3 66.36 0.00 2.57 0.17 0.09 30.80