---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22367 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 12G 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 761 9496 4 5730 14885 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:8f:8a:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83917sec preferred_lft 83917sec inet6 fe80::f816:3eff:fe8f:8a39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:b7:26:4f:d5:15 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-22367) 03/24/26 _x86_64_ (4 CPU) 20:24:29 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:16 16.36 2.26 13.03 1.06 133.33 3966.95 6223.71 20:50:00 76.28 0.32 50.79 25.17 9.84 4119.56 253430.64 21:00:15 35.52 0.29 28.93 6.30 11.45 4871.54 4138.34 Average: 42.16 0.97 30.59 10.60 52.19 4323.09 85142.71 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:16 9205368 12867556 3088972 18.87 172464 3573360 3296480 18.92 659896 6077236 124892 20:50:00 8678144 13101700 2848640 17.40 205088 4247312 3051876 17.52 829984 6380604 116772 21:00:15 9856576 15358356 587232 3.59 241196 5228920 1109184 6.37 1207956 4733816 164 Average: 9246696 13775871 2174948 13.28 206249 4349864 2485847 14.27 899279 5730552 80609 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:16 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 20:40:16 ens3 103.35 83.62 555.48 21.83 0.00 0.00 0.00 0.00 20:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5824.24 5824.24 5554.58 5554.58 0.00 0.00 0.00 0.00 20:50:00 ens3 101.56 71.40 273.67 20.98 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:15 lo 2693.21 2693.21 2560.04 2560.04 0.00 0.00 0.00 0.00 21:00:15 ens3 92.58 81.98 106.80 105.19 0.00 0.00 0.00 0.00 21:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2790.46 2790.46 2658.00 2658.00 0.00 0.00 0.00 0.00 Average: ens3 99.12 79.13 312.44 49.85 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-22367) 03/24/26 _x86_64_ (4 CPU) 20:24:29 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:16 all 68.49 0.00 2.38 0.17 0.10 28.87 20:40:16 0 68.96 0.00 2.37 0.17 0.10 28.40 20:40:16 1 70.95 0.00 2.55 0.15 0.09 26.27 20:40:16 2 67.27 0.00 2.25 0.19 0.10 30.18 20:40:16 3 66.77 0.00 2.34 0.19 0.09 30.62 20:50:00 all 61.34 0.00 4.18 0.44 0.09 33.95 20:50:00 0 60.55 0.00 4.53 0.31 0.09 34.52 20:50:00 1 63.22 0.00 4.17 0.35 0.09 32.17 20:50:00 2 60.96 0.00 3.91 0.41 0.09 34.63 20:50:00 3 60.63 0.00 4.10 0.71 0.09 34.47 21:00:15 all 50.93 0.00 3.00 0.27 0.08 45.72 21:00:15 0 53.37 0.00 2.99 0.15 0.08 43.41 21:00:15 1 49.47 0.00 2.97 0.20 0.08 47.29 21:00:15 2 52.07 0.00 2.98 0.21 0.08 44.65 21:00:15 3 48.82 0.00 3.05 0.54 0.08 47.52 Average: all 60.23 0.00 3.17 0.29 0.09 36.22 Average: 0 60.96 0.00 3.28 0.20 0.09 35.47 Average: 1 61.17 0.00 3.21 0.23 0.09 35.31 Average: 2 60.08 0.00 3.04 0.27 0.09 36.52 Average: 3 58.69 0.00 3.14 0.47 0.09 37.60