---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-371 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 68G 14% / 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 10498 4 4824 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:a0:f8:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84195sec preferred_lft 84195sec inet6 fe80::f816:3eff:fea0:f8c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:f7:7a:58:55:f8 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-371) 07/29/26 _x86_64_ (4 CPU) 15:28:16 LINUX RESTART (4 CPU) 15:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:04 9.84 2.39 7.32 0.13 132.95 1594.95 439.25 15:50:04 12.44 0.83 10.57 1.04 43.82 2997.77 2292.53 16:00:01 46.40 0.66 27.36 18.38 25.51 4177.12 245851.47 Average: 22.83 1.30 15.05 6.49 67.59 2919.29 82467.11 15:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:04 12035728 14852504 1112596 6.80 112336 2875036 1583236 9.09 403592 3566932 290168 15:50:04 10163240 13627036 2331804 14.24 139844 3434888 2662052 15.28 599580 5206544 36408 16:00:01 10792844 15372636 579012 3.54 172140 4437916 1118960 6.42 901548 4175792 77796 Average: 10997271 14617392 1341137 8.19 141440 3582613 1788083 10.26 634907 4316423 134791 15:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:04 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 15:40:04 ens3 53.26 42.43 670.28 6.48 0.00 0.00 0.00 0.00 15:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:04 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 15:50:04 ens3 72.02 54.76 154.15 16.96 0.00 0.00 0.00 0.00 15:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1675.23 1675.23 1596.67 1596.67 0.00 0.00 0.00 0.00 16:00:01 ens3 79.72 60.37 404.49 17.01 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 556.25 556.25 529.71 529.71 0.00 0.00 0.00 0.00 Average: ens3 68.29 52.49 410.01 13.47 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-371) 07/29/26 _x86_64_ (4 CPU) 15:28:16 LINUX RESTART (4 CPU) 15:30:02 CPU %user %nice %system %iowait %steal %idle 15:40:04 all 4.35 0.00 0.33 0.13 0.07 95.12 15:40:04 0 3.86 0.00 0.32 0.04 0.03 95.75 15:40:04 1 5.13 0.00 0.34 0.25 0.09 94.18 15:40:04 2 3.93 0.00 0.34 0.11 0.06 95.57 15:40:04 3 4.48 0.00 0.34 0.11 0.10 94.97 15:50:04 all 72.70 0.00 2.30 0.04 0.15 24.81 15:50:04 0 71.24 0.00 2.06 0.03 0.15 26.52 15:50:04 1 72.44 0.00 2.38 0.04 0.15 24.98 15:50:04 2 74.55 0.00 2.59 0.03 0.15 22.68 15:50:04 3 72.56 0.00 2.17 0.06 0.15 25.06 16:00:01 all 65.74 0.00 2.83 0.24 0.16 31.03 16:00:01 0 64.73 0.00 2.65 0.41 0.14 32.07 16:00:01 1 66.41 0.00 3.17 0.14 0.14 30.14 16:00:01 2 66.97 0.00 2.80 0.18 0.22 29.83 16:00:01 3 64.84 0.00 2.70 0.25 0.14 32.07 Average: all 47.48 0.00 1.82 0.14 0.13 50.44 Average: 0 46.53 0.00 1.67 0.16 0.11 51.53 Average: 1 47.85 0.00 1.96 0.14 0.13 49.92 Average: 2 48.38 0.00 1.91 0.11 0.14 49.47 Average: 3 47.17 0.00 1.73 0.14 0.13 50.83