---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19865 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 9.8G 68G 13% / 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 647 11121 4 4220 14999 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:a0:c8:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84447sec preferred_lft 84447sec inet6 fe80::f816:3eff:fea0:c8c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:d2:44:38:bc:72 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-19865) 05/25/26 _x86_64_ (4 CPU) 10:17:54 LINUX RESTART (4 CPU) 10:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:00 39.66 8.07 17.64 13.94 1264.62 7806.25 46811.92 10:40:01 16.90 1.91 13.39 1.60 123.79 3191.02 200778.54 10:50:08 15.06 0.78 12.36 1.93 32.07 2170.34 16011.81 Average: 23.84 3.58 14.46 5.81 471.81 4381.11 87702.59 10:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:00 12935604 15492580 481764 2.94 102664 2643948 984036 5.65 370148 2739136 146544 10:40:01 10475464 13885924 2073556 12.66 135124 3400060 2303564 13.22 588136 4923684 22708 10:50:08 11388684 15359772 594904 3.63 161060 3874948 1093968 6.28 733340 3800672 10544 Average: 11599917 14912759 1050075 6.41 132949 3306319 1460523 8.38 563875 3821164 59932 10:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:00 lo 0.37 0.37 0.03 0.03 0.00 0.00 0.00 0.00 10:30:00 ens3 65.45 40.98 393.92 9.31 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1.10 1.10 0.11 0.11 0.00 0.00 0.00 0.00 10:40:01 ens3 93.67 76.07 599.96 18.89 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:08 lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 10:50:08 ens3 50.99 37.32 96.72 12.26 0.00 0.00 0.00 0.00 10:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 69.99 51.43 362.81 13.49 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-19865) 05/25/26 _x86_64_ (4 CPU) 10:17:54 LINUX RESTART (4 CPU) 10:20:00 CPU %user %nice %system %iowait %steal %idle 10:30:00 all 3.47 0.00 0.52 30.07 0.03 65.90 10:30:00 0 2.65 0.00 0.39 12.37 0.02 84.57 10:30:00 1 2.71 0.00 0.48 34.81 0.03 61.98 10:30:00 2 2.99 0.00 0.56 28.63 0.02 67.80 10:30:00 3 5.56 0.00 0.67 44.51 0.04 49.22 10:40:01 all 52.94 0.00 1.76 7.54 0.10 37.66 10:40:01 0 53.65 0.00 1.81 9.89 0.10 34.55 10:40:01 1 52.76 0.00 1.85 5.65 0.10 39.65 10:40:01 2 52.43 0.00 1.72 4.67 0.10 41.08 10:40:01 3 52.91 0.00 1.66 9.96 0.10 35.38 10:50:08 all 46.88 0.00 1.56 7.80 0.08 43.68 10:50:08 0 44.66 0.00 1.55 12.66 0.09 41.04 10:50:08 1 44.89 0.00 1.47 9.66 0.08 43.90 10:50:08 2 47.71 0.00 1.64 4.15 0.08 46.42 10:50:08 3 50.26 0.00 1.58 4.73 0.09 43.34 Average: all 34.47 0.00 1.28 15.11 0.07 49.06 Average: 0 33.68 0.00 1.25 11.64 0.07 53.36 Average: 1 33.49 0.00 1.27 16.68 0.07 48.49 Average: 2 34.42 0.00 1.31 12.46 0.07 51.75 Average: 3 36.29 0.00 1.31 19.69 0.08 42.65