---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1544 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 657 8774 4 6557 14989 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:de:5f:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84060sec preferred_lft 84060sec inet6 fe80::f816:3eff:fede:5ffa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:65:af:c0:5d:11 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-1544) 04/09/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:22 21.65 0.06 19.07 2.52 6.26 2073.64 4138.61 19:30:01 30.46 0.04 27.30 3.12 0.86 4484.43 14440.89 19:40:03 27.44 0.32 11.18 15.94 14.22 6376.20 231290.39 Average: 26.47 0.14 19.08 7.24 7.19 4309.30 84166.50 19:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:22 9577112 13195576 2761868 16.87 144652 3587220 2705732 15.53 711492 5667036 19124 19:30:01 7831960 12449696 3502892 21.39 164064 4522504 3325196 19.09 990516 7098092 1408 19:40:03 9054352 15412844 533836 3.26 181692 6188556 1028536 5.90 1658748 5126976 10628 Average: 8821141 13686039 2266199 13.84 163469 4766093 2353155 13.51 1120252 5964035 10387 19:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:22 lo 1248.97 1248.97 1183.70 1183.70 0.00 0.00 0.00 0.00 19:20:22 ens3 40.03 32.62 24.83 11.50 0.00 0.00 0.00 0.00 19:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1352.83 1352.83 1283.14 1283.14 0.00 0.00 0.00 0.00 19:30:01 ens3 44.37 33.74 50.62 11.68 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 2422.65 2422.65 9252.05 9252.05 0.00 0.00 0.00 0.00 19:40:03 ens3 90.83 99.78 150.30 1058.37 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 1678.92 1678.92 3939.68 3939.68 0.00 0.00 0.00 0.00 Average: ens3 58.59 55.66 75.56 364.95 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-1544) 04/09/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:20 CPU %user %nice %system %iowait %steal %idle 19:20:22 all 65.07 0.00 2.29 0.39 0.12 32.14 19:20:22 0 63.39 0.00 2.46 0.50 0.11 33.55 19:20:22 1 67.18 0.00 2.43 0.36 0.12 29.91 19:20:22 2 63.88 0.00 2.13 0.55 0.12 33.32 19:20:22 3 65.82 0.00 2.13 0.15 0.12 31.78 19:30:01 all 59.33 0.00 2.36 0.09 0.09 38.13 19:30:01 0 58.45 0.00 2.30 0.04 0.09 39.12 19:30:01 1 59.06 0.00 2.22 0.08 0.09 38.56 19:30:01 2 58.57 0.00 2.34 0.12 0.09 38.88 19:30:01 3 61.24 0.00 2.60 0.13 0.09 35.95 19:40:03 all 33.80 0.00 1.28 0.18 0.08 64.66 19:40:03 0 26.00 0.00 1.25 0.07 0.09 72.60 19:40:03 1 27.20 0.00 1.03 0.22 0.07 71.49 19:40:03 2 47.45 0.00 1.25 0.32 0.08 50.90 19:40:03 3 34.57 0.00 1.58 0.12 0.08 63.65 Average: all 52.63 0.00 1.97 0.22 0.10 45.08 Average: 0 49.12 0.00 2.00 0.21 0.10 48.58 Average: 1 51.05 0.00 1.89 0.22 0.09 46.75 Average: 2 56.60 0.00 1.90 0.33 0.10 41.07 Average: 3 53.76 0.00 2.10 0.14 0.10 43.91