---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28069 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 735 9466 4 5787 14911 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:37:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84455sec preferred_lft 84455sec inet6 fe80::f816:3eff:fe9b:370e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:57:be:8b:fc:8c 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-28069) 06/17/26 _x86_64_ (4 CPU) 11:29:19 LINUX RESTART (4 CPU) 11:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:01 31.81 3.66 26.41 1.74 190.13 6398.07 2412.65 11:50:01 35.29 0.04 31.47 3.77 1.28 3454.97 16846.96 12:00:01 18.92 0.30 16.26 2.36 11.77 5910.91 5526.75 Average: 28.68 1.33 24.72 2.63 67.73 5254.65 8262.12 11:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:01 8719884 12641816 3313528 20.24 154648 3850796 3552892 20.39 714388 6497960 231276 11:50:01 8877048 13285388 2666068 16.28 181616 4266492 3213432 18.45 863608 6158824 98264 12:00:01 9781268 15344680 600288 3.67 207036 5329968 1102344 6.33 954480 5050148 168 Average: 9126067 13757295 2193295 13.40 181100 4482419 2622889 15.06 844159 5902311 109903 11:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:01 lo 432.65 432.65 411.93 411.93 0.00 0.00 0.00 0.00 11:40:01 ens3 131.15 97.12 1097.30 19.24 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 1680.97 1680.97 1602.72 1602.72 0.00 0.00 0.00 0.00 11:50:01 ens3 56.20 41.88 140.40 12.39 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 93.13 93.13 80.88 80.88 0.00 0.00 0.00 0.00 12:00:01 ens3 69.01 64.01 115.46 187.39 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 735.58 735.58 698.51 698.51 0.00 0.00 0.00 0.00 Average: ens3 85.45 67.67 451.06 73.01 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-28069) 06/17/26 _x86_64_ (4 CPU) 11:29:19 LINUX RESTART (4 CPU) 11:30:01 CPU %user %nice %system %iowait %steal %idle 11:40:01 all 47.29 0.00 1.85 0.23 0.09 50.55 11:40:01 0 47.39 0.00 1.86 0.08 0.09 50.58 11:40:01 1 47.30 0.00 1.82 0.09 0.09 50.70 11:40:01 2 45.49 0.00 1.86 0.08 0.09 52.48 11:40:01 3 48.97 0.00 1.87 0.65 0.09 48.43 11:50:01 all 61.05 0.00 2.57 0.06 0.09 36.22 11:50:01 0 58.74 0.00 2.52 0.08 0.09 38.56 11:50:01 1 62.49 0.00 2.74 0.06 0.10 34.62 11:50:01 2 61.17 0.00 2.41 0.04 0.09 36.28 11:50:01 3 61.79 0.00 2.61 0.06 0.09 35.44 12:00:01 all 43.60 0.00 1.50 0.06 0.08 54.76 12:00:01 0 45.17 0.00 1.33 0.09 0.08 53.33 12:00:01 1 43.61 0.00 1.76 0.05 0.08 54.50 12:00:01 2 40.03 0.00 1.44 0.07 0.08 58.39 12:00:01 3 45.59 0.00 1.48 0.04 0.07 52.82 Average: all 50.64 0.00 1.97 0.12 0.09 47.19 Average: 0 50.42 0.00 1.90 0.09 0.09 47.50 Average: 1 51.12 0.00 2.10 0.07 0.09 46.62 Average: 2 48.89 0.00 1.90 0.06 0.08 49.06 Average: 3 52.11 0.00 1.99 0.25 0.08 45.57