---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5815 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: 5600.00 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 11G 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 723 9749 4 5515 14923 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:dd:76:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84373sec preferred_lft 84373sec inet6 fe80::f816:3eff:fedd:7644/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:d9:3a:7d:7d:7a 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-5815) 03/19/26 _x86_64_ (4 CPU) 06:27:42 LINUX RESTART (4 CPU) 06:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 16.99 2.68 13.40 0.92 147.88 4021.52 1343.33 06:50:10 35.15 0.04 31.38 3.73 1.31 3389.01 23770.87 07:00:10 21.37 0.30 18.66 2.41 11.81 5642.60 2660.16 Average: 24.51 1.01 21.15 2.35 53.67 4351.04 9258.12 06:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 10033640 13580044 2377940 14.52 150764 3495944 2659296 15.26 651568 5267328 64368 06:50:10 9277408 13400524 2552908 15.59 180328 3996504 2763556 15.86 826812 5815200 24496 07:00:10 10083764 15369692 577456 3.53 203140 5068416 1090248 6.26 910660 4820380 64 Average: 9798271 14116753 1836101 11.21 178077 4186955 2171033 12.46 796347 5300969 29643 06:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 416.48 416.48 396.75 396.75 0.00 0.00 0.00 0.00 06:40:10 ens3 95.78 73.73 829.37 15.13 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:10 lo 1692.01 1692.01 1612.90 1612.90 0.00 0.00 0.00 0.00 06:50:10 ens3 51.64 41.03 118.65 11.99 0.00 0.00 0.00 0.00 06:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:10 lo 109.57 109.57 96.48 96.48 0.00 0.00 0.00 0.00 07:00:10 ens3 70.13 66.36 116.56 205.76 0.00 0.00 0.00 0.00 07:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 739.35 739.35 702.04 702.04 0.00 0.00 0.00 0.00 Average: ens3 72.52 60.38 354.86 77.63 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-5815) 03/19/26 _x86_64_ (4 CPU) 06:27:42 LINUX RESTART (4 CPU) 06:30:10 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 44.13 0.00 1.43 0.08 0.07 54.28 06:40:10 0 45.50 0.00 1.20 0.06 0.07 53.17 06:40:10 1 45.07 0.00 1.63 0.13 0.08 53.09 06:40:10 2 40.78 0.00 1.42 0.07 0.07 57.67 06:40:10 3 45.19 0.00 1.47 0.08 0.08 53.19 06:50:10 all 61.84 0.00 2.55 0.15 0.10 35.36 06:50:10 0 61.14 0.00 2.61 0.19 0.10 35.97 06:50:10 1 63.83 0.00 2.57 0.10 0.10 33.40 06:50:10 2 62.86 0.00 2.59 0.14 0.10 34.31 06:50:10 3 59.55 0.00 2.42 0.16 0.10 37.77 07:00:10 all 45.44 0.00 1.51 0.17 0.08 52.79 07:00:10 0 45.82 0.00 1.65 0.19 0.08 52.25 07:00:10 1 49.21 0.00 1.58 0.10 0.09 49.03 07:00:10 2 44.32 0.00 1.35 0.14 0.08 54.11 07:00:10 3 42.43 0.00 1.44 0.27 0.08 55.78 Average: all 50.46 0.00 1.83 0.13 0.09 47.49 Average: 0 50.81 0.00 1.82 0.15 0.08 47.14 Average: 1 52.69 0.00 1.93 0.11 0.09 45.19 Average: 2 49.30 0.00 1.79 0.11 0.08 48.71 Average: 3 49.04 0.00 1.78 0.17 0.08 48.92