---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66396 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 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 629 9832 4 5528 15017 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:41:e3:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84485sec preferred_lft 84485sec inet6 fe80::f816:3eff:fe41:e378/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:4b:a9:7f:94:bb 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-66396) 04/04/26 _x86_64_ (4 CPU) 06:28:26 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:04 23.90 3.54 19.21 1.16 183.23 5372.34 1864.90 06:50:01 36.06 0.05 32.11 3.90 1.35 3385.52 17066.66 07:00:04 35.34 0.32 18.03 16.98 14.56 5502.63 234084.80 Average: 31.75 1.31 23.08 7.36 66.64 4758.87 84592.10 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:04 9332296 13079172 2877816 17.58 151708 3686804 3115588 17.88 702312 5918224 189432 06:50:01 8330080 12487636 3465132 21.16 182856 4025304 3719864 21.35 843816 6728980 21088 07:00:04 10118428 15421488 525684 3.21 205032 5082732 1050192 6.03 928660 4787732 11632 Average: 9260268 13662765 2289544 13.98 179865 4264947 2628548 15.09 824929 5811645 74051 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:04 lo 541.19 541.19 515.65 515.65 0.00 0.00 0.00 0.00 06:40:04 ens3 97.50 78.04 887.75 17.08 0.00 0.00 0.00 0.00 06:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1806.28 1806.28 1722.34 1722.34 0.00 0.00 0.00 0.00 06:50:01 ens3 47.69 35.50 119.98 12.41 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:04 lo 11.78 11.78 2.75 2.75 0.00 0.00 0.00 0.00 07:00:04 ens3 65.91 63.86 117.29 173.16 0.00 0.00 0.00 0.00 07:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 782.44 782.44 743.11 743.11 0.00 0.00 0.00 0.00 Average: ens3 70.46 59.23 376.04 67.76 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-66396) 04/04/26 _x86_64_ (4 CPU) 06:28:26 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:04 all 47.50 0.00 1.58 0.07 0.10 50.75 06:40:04 0 47.54 0.00 1.36 0.04 0.10 50.96 06:40:04 1 47.92 0.00 1.39 0.05 0.08 50.56 06:40:04 2 46.73 0.00 1.45 0.09 0.15 51.58 06:40:04 3 47.80 0.00 2.10 0.12 0.08 49.90 06:50:01 all 62.20 0.00 2.63 0.06 0.10 35.01 06:50:01 0 60.95 0.00 2.47 0.06 0.10 36.42 06:50:01 1 60.59 0.00 2.50 0.05 0.10 36.76 06:50:01 2 64.14 0.00 3.01 0.05 0.10 32.71 06:50:01 3 63.11 0.00 2.54 0.10 0.10 34.15 07:00:04 all 41.97 0.00 1.42 0.10 0.08 56.43 07:00:04 0 38.67 0.00 1.51 0.16 0.08 59.59 07:00:04 1 41.92 0.00 1.64 0.14 0.07 56.22 07:00:04 2 45.86 0.00 1.35 0.05 0.08 52.65 07:00:04 3 41.42 0.00 1.19 0.04 0.07 57.27 Average: all 50.50 0.00 1.87 0.08 0.09 47.46 Average: 0 49.00 0.00 1.77 0.09 0.09 49.05 Average: 1 50.09 0.00 1.84 0.08 0.08 47.91 Average: 2 52.19 0.00 1.93 0.06 0.11 45.70 Average: 3 50.72 0.00 1.94 0.09 0.09 47.17