---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53206 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 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 643 8786 4 6558 15003 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:33:ff:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84109sec preferred_lft 84109sec inet6 fe80::f816:3eff:fe33:ffe9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:5e:f8:0d:1b:a8 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-53206) 03/26/26 _x86_64_ (4 CPU) 14:24:11 LINUX RESTART (4 CPU) 14:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:05 26.78 0.62 23.13 3.03 28.92 3122.65 3427.67 14:50:07 32.74 0.01 29.38 3.35 0.15 2491.41 8399.16 15:00:08 27.77 0.32 12.22 15.23 11.87 8424.38 236665.98 Average: 29.12 0.31 21.58 7.23 13.53 4687.08 83259.99 14:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:05 8976920 12500816 3458228 21.12 140996 3503440 3571484 20.50 686404 6322440 3520 14:50:07 8508304 12659720 3295168 20.13 168736 4062420 3319540 19.05 840388 6592640 211936 15:00:08 9025596 15382468 564496 3.45 185176 6182232 1113160 6.39 1644976 5172844 48 Average: 8836940 13514335 2439297 14.90 164969 4582697 2668061 15.31 1057256 6029308 71835 14:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:05 lo 1402.98 1402.98 1330.90 1330.90 0.00 0.00 0.00 0.00 14:40:05 ens3 55.06 44.49 58.36 14.68 0.00 0.00 0.00 0.00 14:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:07 lo 1531.99 1531.99 1460.04 1460.04 0.00 0.00 0.00 0.00 14:50:07 ens3 41.46 33.36 45.46 11.23 0.00 0.00 0.00 0.00 14:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:08 lo 247.92 247.92 6831.75 6831.75 0.00 0.00 0.00 0.00 15:00:08 ens3 76.17 84.43 146.68 989.03 0.00 0.00 0.00 0.00 15:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1059.29 1059.29 3217.72 3217.72 0.00 0.00 0.00 0.00 Average: ens3 57.56 54.13 83.62 340.04 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-53206) 03/26/26 _x86_64_ (4 CPU) 14:24:11 LINUX RESTART (4 CPU) 14:30:16 CPU %user %nice %system %iowait %steal %idle 14:40:05 all 69.41 0.00 2.48 0.07 0.13 27.91 14:40:05 0 70.21 0.00 2.36 0.05 0.12 27.25 14:40:05 1 68.68 0.00 2.37 0.06 0.13 28.76 14:40:05 2 69.10 0.00 2.61 0.07 0.12 28.09 14:40:05 3 69.64 0.00 2.59 0.11 0.14 27.53 14:50:07 all 63.49 0.00 2.52 1.60 0.11 32.28 14:50:07 0 62.08 0.00 2.56 0.21 0.11 35.03 14:50:07 1 63.67 0.00 2.42 0.30 0.11 33.51 14:50:07 2 64.58 0.00 2.73 2.99 0.11 29.59 14:50:07 3 63.64 0.00 2.38 2.88 0.11 30.99 15:00:08 all 34.16 0.00 1.10 0.31 0.08 64.35 15:00:08 0 27.82 0.00 0.96 0.17 0.08 70.97 15:00:08 1 34.32 0.00 1.21 0.09 0.08 64.31 15:00:08 2 38.52 0.00 1.15 0.35 0.08 59.90 15:00:08 3 35.98 0.00 1.08 0.66 0.08 62.19 Average: all 55.59 0.00 2.03 0.67 0.11 41.61 Average: 0 53.23 0.00 1.96 0.14 0.11 44.56 Average: 1 55.47 0.00 2.00 0.15 0.10 42.28 Average: 2 57.32 0.00 2.16 1.14 0.10 39.27 Average: 3 56.34 0.00 2.01 1.23 0.11 40.32