---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37402 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: 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 65G 17% / 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 658 8276 4 7054 14987 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:3e:ac:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83610sec preferred_lft 83610sec inet6 fe80::f816:3eff:fe3e:acbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:dc:8a:8a:60:c6 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-37402) 07/20/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:18 22.89 0.08 20.10 2.72 6.67 2300.52 4376.05 19:30:01 35.06 0.01 31.23 3.81 0.18 2896.23 14360.43 19:40:17 7.41 0.02 6.93 0.46 0.33 2897.53 3870.39 Average: 21.54 0.04 19.21 2.30 2.39 2697.96 7441.58 19:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:18 9122992 12847136 3110048 18.99 143392 3687100 3122000 17.92 714580 6126564 17500 19:30:01 8948612 13014080 2940500 17.96 164168 3983628 3293684 18.91 811696 6178860 25916 19:40:17 5553304 10364668 5587484 34.13 170672 4697408 5368256 30.81 1027188 9309608 24 Average: 7874969 12075295 3879344 23.69 159411 4122712 3927980 22.55 851155 7205011 14480 19:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:18 lo 1297.09 1297.09 1229.54 1229.54 0.00 0.00 0.00 0.00 19:20:18 ens3 49.63 38.63 47.54 12.32 0.00 0.00 0.00 0.00 19:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1517.66 1517.66 1446.36 1446.36 0.00 0.00 0.00 0.00 19:30:01 ens3 33.96 27.73 19.47 10.31 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 19:40:17 lo 456.07 456.07 6820.01 6820.01 0.00 0.00 0.00 0.00 19:40:17 ens3 11.32 8.90 8.16 3.44 0.00 0.00 0.00 0.00 19:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1080.94 1080.94 3212.19 3212.19 0.00 0.00 0.00 0.00 Average: ens3 31.44 24.93 24.96 8.63 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-37402) 07/20/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:18 CPU %user %nice %system %iowait %steal %idle 19:20:18 all 66.00 0.00 2.27 0.24 0.11 31.38 19:20:18 0 66.54 0.00 2.45 0.17 0.11 30.72 19:20:18 1 66.33 0.00 2.20 0.12 0.12 31.23 19:20:18 2 65.86 0.00 2.38 0.18 0.11 31.48 19:20:18 3 65.26 0.00 2.05 0.48 0.10 32.10 19:30:01 all 56.06 0.00 2.52 3.81 0.13 37.47 19:30:01 0 54.33 0.00 2.54 5.64 0.13 37.36 19:30:01 1 56.77 0.00 2.80 3.82 0.12 36.48 19:30:01 2 55.51 0.00 2.56 4.19 0.14 37.60 19:30:01 3 57.64 0.00 2.19 1.61 0.12 38.44 19:40:17 all 32.41 0.00 1.07 0.87 0.10 65.55 19:40:17 0 35.65 0.00 1.12 0.96 0.11 62.16 19:40:17 1 30.12 0.00 0.95 0.82 0.10 68.01 19:40:17 2 33.52 0.00 0.95 1.13 0.10 64.30 19:40:17 3 30.35 0.00 1.25 0.58 0.11 67.72 Average: all 51.29 0.00 1.94 1.61 0.11 45.04 Average: 0 52.02 0.00 2.02 2.21 0.11 43.63 Average: 1 50.85 0.00 1.97 1.56 0.11 45.51 Average: 2 51.44 0.00 1.95 1.80 0.12 44.69 Average: 3 50.86 0.00 1.82 0.88 0.11 46.32