---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2542 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 13G 65G 17% / 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 645 7901 4 7442 15001 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:e9:af:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84066sec preferred_lft 84066sec inet6 fe80::f816:3eff:fee9:af54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:14:c0:db:a2:a3 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 inet6 fe80::14:c0ff:fedb:a2a3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-2542) 04/13/26 _x86_64_ (4 CPU) 11:49:59 LINUX RESTART (4 CPU) 11:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:00 77.11 15.39 58.30 3.41 1630.29 16776.45 3867.84 12:10:00 25.49 0.02 22.90 2.57 0.27 2293.65 11237.68 12:20:00 14.97 0.03 13.61 1.32 0.69 3589.60 9178.44 Average: 39.17 5.14 31.59 2.43 543.10 7547.70 8097.19 11:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:00 10131860 13531228 2428244 14.83 132704 3400980 2824096 16.21 650200 5224360 16256 12:10:00 8973804 12823396 3132672 19.13 154816 3793720 3446260 19.78 779812 6213056 45252 12:20:00 7860652 12496892 3456380 21.11 161200 4544464 3534840 20.29 1041948 7006844 5904 Average: 8988772 12950505 3005765 18.36 149573 3913055 3268399 18.76 823987 6148087 22471 11:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:00 lo 1470.79 1470.79 1395.11 1395.11 0.00 0.00 0.00 0.00 12:00:00 ens3 159.14 120.09 1278.91 23.39 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 1102.64 1102.64 1050.28 1050.28 0.00 0.00 0.00 0.00 12:10:00 ens3 23.63 20.89 38.40 6.40 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 2958.78 2958.78 9781.76 9781.76 0.00 0.00 0.00 0.00 12:20:00 ens3 14.00 11.63 12.22 3.86 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1844.29 1844.29 4077.33 4077.33 0.00 0.00 0.00 0.00 Average: ens3 65.53 50.83 442.68 11.21 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-2542) 04/13/26 _x86_64_ (4 CPU) 11:49:59 LINUX RESTART (4 CPU) 11:50:00 CPU %user %nice %system %iowait %steal %idle 12:00:00 all 59.13 0.00 2.58 0.46 0.11 37.72 12:00:00 0 58.48 0.00 2.34 0.21 0.11 38.86 12:00:00 1 59.72 0.00 2.37 0.60 0.11 37.20 12:00:00 2 58.71 0.00 2.89 0.20 0.11 38.10 12:00:00 3 59.62 0.00 2.73 0.84 0.11 36.70 12:10:00 all 67.39 0.00 2.30 0.06 0.12 30.14 12:10:00 0 67.35 0.00 2.09 0.05 0.12 30.39 12:10:00 1 66.45 0.00 2.32 0.03 0.12 31.08 12:10:00 2 67.93 0.00 2.39 0.11 0.12 29.46 12:10:00 3 67.82 0.00 2.41 0.05 0.11 29.61 12:20:00 all 45.75 0.00 1.72 0.06 0.09 52.38 12:20:00 0 49.16 0.00 1.64 0.03 0.09 49.08 12:20:00 1 41.83 0.00 1.41 0.08 0.09 56.59 12:20:00 2 47.01 0.00 1.88 0.05 0.10 50.97 12:20:00 3 45.01 0.00 1.95 0.07 0.09 52.89 Average: all 57.42 0.00 2.20 0.19 0.11 40.09 Average: 0 58.33 0.00 2.02 0.10 0.11 39.44 Average: 1 55.98 0.00 2.03 0.23 0.11 41.64 Average: 2 57.88 0.00 2.38 0.12 0.11 39.51 Average: 3 57.47 0.00 2.36 0.32 0.10 39.74