---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8086 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 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 716 9340 4 5932 14930 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:3e:69:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84218sec preferred_lft 84218sec inet6 fe80::f816:3eff:fe3e:69a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:a9:30:5e:54:8c 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-8086) 03/22/26 _x86_64_ (4 CPU) 12:35:37 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:17 44.31 0.95 27.66 15.70 393.50 4865.03 245488.41 13:00:17 29.06 0.04 24.55 4.46 1.28 3719.41 233216.08 13:10:01 26.71 0.31 23.54 2.86 12.64 5944.08 107610.53 Average: 33.52 0.44 25.29 7.79 139.25 4833.00 196689.64 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:17 8231580 12458812 3494252 21.34 163992 4139480 3649424 20.95 921764 6777452 177528 13:00:17 8356776 12868548 3081912 18.82 184140 4373228 3182880 18.27 1018888 6508604 20960 13:10:01 9600832 15314948 629112 3.84 204348 5487808 1131108 6.49 1090244 5124200 9656 Average: 8729729 13547436 2401759 14.67 184160 4666839 2654471 15.24 1010299 6136752 69381 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:17 lo 1062.93 1062.93 1012.62 1012.62 0.00 0.00 0.00 0.00 12:50:17 ens3 80.15 56.67 532.14 14.74 0.00 0.00 0.00 0.00 12:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:17 lo 1591.87 1591.87 1518.36 1518.36 0.00 0.00 0.00 0.00 13:00:17 ens3 36.14 27.92 134.24 7.83 0.00 0.00 0.00 0.00 13:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 12.06 12.06 2.81 2.81 0.00 0.00 0.00 0.00 13:10:01 ens3 84.71 82.66 126.52 236.36 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 898.51 898.51 853.78 853.78 0.00 0.00 0.00 0.00 Average: ens3 66.96 55.52 267.97 84.30 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-8086) 03/22/26 _x86_64_ (4 CPU) 12:35:37 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:17 all 65.14 0.00 2.50 0.47 0.13 31.76 12:50:17 0 65.31 0.00 2.22 0.55 0.13 31.80 12:50:17 1 64.26 0.00 2.84 0.55 0.13 32.22 12:50:17 2 66.79 0.00 2.50 0.34 0.13 30.24 12:50:17 3 64.21 0.00 2.46 0.41 0.12 32.79 13:00:17 all 39.75 0.00 1.94 15.30 0.08 42.93 13:00:17 0 38.93 0.00 2.08 15.70 0.09 43.21 13:00:17 1 40.79 0.00 2.20 14.94 0.09 41.98 13:00:17 2 39.20 0.00 1.92 15.75 0.08 43.04 13:00:17 3 40.08 0.00 1.57 14.80 0.09 43.47 13:10:01 all 45.05 0.00 1.61 2.64 0.14 50.57 13:10:01 0 44.09 0.00 1.60 2.35 0.19 51.78 13:10:01 1 44.81 0.00 1.60 5.71 0.11 47.76 13:10:01 2 47.90 0.00 1.69 1.73 0.15 48.53 13:10:01 3 43.39 0.00 1.55 0.77 0.09 54.20 Average: all 50.16 0.00 2.03 6.11 0.12 41.59 Average: 0 49.63 0.00 1.97 6.18 0.13 42.09 Average: 1 50.13 0.00 2.23 7.02 0.11 40.52 Average: 2 51.47 0.00 2.04 5.93 0.12 40.44 Average: 3 49.41 0.00 1.87 5.32 0.10 43.30