---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2298 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 649 8779 4 6560 14997 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:01:af:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84059sec preferred_lft 84059sec inet6 fe80::f816:3eff:fe01:af14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:4f:4b:f0:97:21 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-2298) 04/12/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:03 21.32 0.07 18.81 2.44 6.36 2095.65 5953.63 19:30:01 42.73 0.04 26.03 16.66 0.90 4241.15 250617.69 19:40:03 13.29 0.31 11.21 1.76 14.08 6355.42 5628.92 Average: 25.74 0.14 18.67 6.93 7.13 4233.43 87088.40 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:03 9605952 13246176 2711640 16.56 148240 3604940 2768444 15.89 718396 5651408 15144 19:30:01 7767940 12394412 3558892 21.74 164332 4531040 3417016 19.61 995520 7160244 320 19:40:03 9071952 15434680 511928 3.13 182280 6191752 1023232 5.87 1660208 5123780 12268 Average: 8815281 13691756 2260820 13.81 164951 4775911 2402897 13.79 1124708 5978477 9244 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:03 lo 1179.27 1179.27 1116.92 1116.92 0.00 0.00 0.00 0.00 19:20:03 ens3 41.78 33.48 24.32 11.35 0.00 0.00 0.00 0.00 19:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1269.95 1269.95 1203.48 1203.48 0.00 0.00 0.00 0.00 19:30:01 ens3 40.34 31.58 48.73 11.11 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:03 lo 2425.36 2425.36 9248.45 9248.45 0.00 0.00 0.00 0.00 19:40:03 ens3 93.41 100.67 151.14 1058.25 0.00 0.00 0.00 0.00 19:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1626.33 1626.33 3866.52 3866.52 0.00 0.00 0.00 0.00 Average: ens3 58.58 55.33 74.86 361.57 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-2298) 04/12/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:03 all 66.54 0.00 2.16 0.04 0.09 31.17 19:20:03 0 65.66 0.00 2.18 0.04 0.09 32.04 19:20:03 1 67.25 0.00 1.94 0.03 0.09 30.69 19:20:03 2 67.05 0.00 2.42 0.06 0.09 30.38 19:20:03 3 66.21 0.00 2.12 0.03 0.08 31.55 19:30:01 all 55.38 0.00 2.23 0.10 0.09 42.20 19:30:01 0 55.07 0.00 2.33 0.12 0.10 42.39 19:30:01 1 54.80 0.00 2.24 0.11 0.09 42.75 19:30:01 2 54.39 0.00 2.15 0.09 0.09 43.28 19:30:01 3 57.25 0.00 2.19 0.10 0.10 40.37 19:40:03 all 34.75 0.00 1.33 0.13 0.07 63.71 19:40:03 0 38.20 0.00 1.44 0.24 0.07 60.04 19:40:03 1 35.47 0.00 1.09 0.02 0.07 63.34 19:40:03 2 30.61 0.00 1.41 0.11 0.07 67.80 19:40:03 3 34.73 0.00 1.37 0.16 0.07 63.68 Average: all 52.18 0.00 1.90 0.09 0.08 45.74 Average: 0 52.95 0.00 1.98 0.13 0.08 44.85 Average: 1 52.46 0.00 1.75 0.06 0.08 45.65 Average: 2 50.64 0.00 1.99 0.09 0.08 47.20 Average: 3 52.68 0.00 1.89 0.10 0.08 45.25