---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53098 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 12G 66G 16% / 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 666 8811 4 6511 14980 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:db:2d:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:fedb:2d65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:4a:b5:ba:f7:17 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-53098) 03/26/26 _x86_64_ (4 CPU) 08:08:47 LINUX RESTART (4 CPU) 08:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:03 56.76 3.96 36.03 16.76 199.80 5340.48 248984.87 08:30:18 30.51 0.01 27.45 3.05 0.18 2512.79 7018.69 08:40:10 11.62 0.04 10.93 0.65 0.74 7345.47 48022.14 Average: 32.84 1.31 24.79 6.73 65.57 5034.54 99613.99 08:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:03 9957736 13417392 2541736 15.52 133864 3454844 2876980 16.51 669168 5374984 29156 08:30:18 8780912 12673620 3281700 20.04 157052 3830824 3294820 18.91 790764 6372508 27636 08:40:10 6773700 12611064 3337772 20.39 168220 5697188 3316964 19.04 1475156 7623408 2236 Average: 8504116 12900692 3053736 18.65 153045 4327619 3162921 18.16 978363 6456967 19676 08:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:03 lo 1515.69 1515.69 1438.20 1438.20 0.00 0.00 0.00 0.00 08:20:03 ens3 107.85 83.11 1020.19 15.97 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:18 lo 1438.18 1438.18 1370.01 1370.01 0.00 0.00 0.00 0.00 08:30:18 ens3 26.31 22.17 39.77 6.69 0.00 0.00 0.00 0.00 08:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:10 lo 2546.64 2546.64 9489.41 9489.41 0.00 0.00 0.00 0.00 08:40:10 ens3 19.11 17.04 98.68 4.79 0.00 0.00 0.00 0.00 08:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1830.05 1830.05 4077.29 4077.29 0.00 0.00 0.00 0.00 Average: ens3 50.56 40.38 379.50 9.09 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-53098) 03/26/26 _x86_64_ (4 CPU) 08:08:47 LINUX RESTART (4 CPU) 08:10:18 CPU %user %nice %system %iowait %steal %idle 08:20:03 all 69.18 0.00 2.61 0.15 0.11 27.95 08:20:03 0 68.80 0.00 2.57 0.22 0.11 28.30 08:20:03 1 70.03 0.00 2.83 0.08 0.11 26.95 08:20:03 2 70.17 0.00 2.62 0.22 0.11 26.88 08:20:03 3 67.73 0.00 2.41 0.08 0.11 29.67 08:30:18 all 64.51 0.00 2.44 0.11 0.09 32.85 08:30:18 0 64.76 0.00 2.90 0.15 0.09 32.10 08:30:18 1 65.60 0.00 2.62 0.13 0.09 31.55 08:30:18 2 64.14 0.00 2.03 0.08 0.09 33.66 08:30:18 3 63.53 0.00 2.23 0.07 0.09 34.08 08:40:10 all 35.46 0.00 1.29 5.85 0.08 57.32 08:40:10 0 28.03 0.00 1.83 5.88 0.08 64.18 08:40:10 1 34.17 0.00 1.15 4.06 0.08 60.53 08:40:10 2 36.84 0.00 1.37 5.74 0.08 55.98 08:40:10 3 42.81 0.00 0.81 7.72 0.08 48.58 Average: all 56.42 0.00 2.12 2.02 0.09 39.35 Average: 0 53.91 0.00 2.44 2.07 0.10 41.49 Average: 1 56.65 0.00 2.20 1.42 0.10 39.63 Average: 2 57.07 0.00 2.00 2.00 0.09 38.83 Average: 3 58.04 0.00 1.82 2.61 0.09 37.44