---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15285 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 12G 67G 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 653 9598 4 5737 14993 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:e7:ec:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83768sec preferred_lft 83768sec inet6 fe80::f816:3eff:fee7:ec5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:4c:1e:ae:c5:58 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-15285) 05/14/26 _x86_64_ (4 CPU) 20:24:04 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 14.42 2.31 11.15 0.96 135.87 3281.41 2059.99 20:50:01 51.31 0.33 42.48 8.50 9.84 4495.08 29282.60 21:00:01 40.50 0.02 32.80 7.69 0.89 3911.69 16626.24 Average: 35.39 0.88 28.80 5.71 48.92 3895.56 15978.34 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 10302152 13670392 2289064 13.98 148980 3339720 2551956 14.65 584160 5096644 55888 20:50:01 8876148 13252644 2698048 16.48 202756 4209012 3103296 17.81 812392 6204708 85536 21:00:01 9815432 15326852 620072 3.79 239212 5242236 1111472 6.38 1202440 4784540 406012 Average: 9664577 14083296 1869061 11.42 196983 4263656 2255575 12.95 866331 5361964 182479 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 20:40:02 ens3 91.24 73.90 512.56 19.79 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 4744.76 4744.76 4524.55 4524.55 0.00 0.00 0.00 0.00 20:50:01 ens3 80.09 60.48 320.59 19.76 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 3907.52 3907.52 3725.30 3725.30 0.00 0.00 0.00 0.00 21:00:01 ens3 69.37 52.70 100.27 20.18 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2882.54 2882.54 2748.12 2748.12 0.00 0.00 0.00 0.00 Average: ens3 80.24 62.36 311.22 19.91 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-15285) 05/14/26 _x86_64_ (4 CPU) 20:24:04 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 61.82 0.00 2.14 0.11 0.11 35.82 20:40:02 0 63.84 0.00 2.44 0.15 0.12 33.46 20:40:02 1 61.96 0.00 1.85 0.13 0.11 35.95 20:40:02 2 61.25 0.00 2.18 0.05 0.11 36.41 20:40:02 3 60.23 0.00 2.10 0.11 0.11 37.45 20:50:01 all 63.34 0.00 3.87 0.27 0.12 32.40 20:50:01 0 63.52 0.00 3.72 0.18 0.12 32.46 20:50:01 1 62.48 0.00 3.78 0.55 0.12 33.08 20:50:01 2 64.39 0.00 4.15 0.18 0.12 31.16 20:50:01 3 62.98 0.00 3.82 0.16 0.12 32.92 21:00:01 all 58.56 0.00 3.64 1.96 0.11 35.74 21:00:01 0 56.64 0.00 3.84 2.12 0.11 37.29 21:00:01 1 59.62 0.00 3.32 0.80 0.11 36.16 21:00:01 2 59.53 0.00 3.86 3.06 0.11 33.44 21:00:01 3 58.43 0.00 3.53 1.85 0.11 36.08 Average: all 61.24 0.00 3.21 0.78 0.11 34.65 Average: 0 61.33 0.00 3.33 0.82 0.12 34.40 Average: 1 61.35 0.00 2.98 0.49 0.11 35.06 Average: 2 61.72 0.00 3.40 1.10 0.11 33.67 Average: 3 60.55 0.00 3.15 0.71 0.12 35.48