---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5951 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 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 622 8864 4 6502 15024 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:73:f1:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84568sec preferred_lft 84568sec inet6 fe80::f816:3eff:fe73:f155/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:15:a5:fb:7b:e5 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-5951) 03/19/26 _x86_64_ (4 CPU) 08:18:06 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 32.19 2.94 26.32 2.93 161.78 4753.19 5508.20 08:40:27 31.51 0.02 28.38 3.11 0.22 2527.06 15379.57 Average: 31.84 1.45 27.37 3.02 79.33 3617.11 10545.94 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 9882024 13359344 2599880 15.88 133984 3470580 2933036 16.84 668804 5447148 23880 08:40:27 8421972 12523016 3431888 20.96 159988 4026748 3345212 19.20 827556 6692280 212200 Average: 9151998 12941180 3015884 18.42 146986 3748664 3139124 18.02 748180 6069714 118040 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 1499.61 1499.61 1422.88 1422.88 0.00 0.00 0.00 0.00 08:30:01 ens3 86.81 67.78 808.69 13.45 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:27 lo 1460.28 1460.28 1391.40 1391.40 0.00 0.00 0.00 0.00 08:40:27 ens3 23.14 19.78 39.01 6.01 0.00 0.00 0.00 0.00 08:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1479.54 1479.54 1406.81 1406.81 0.00 0.00 0.00 0.00 Average: ens3 54.32 43.29 415.89 9.66 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-5951) 03/19/26 _x86_64_ (4 CPU) 08:18:06 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 70.62 0.00 2.59 0.22 0.12 26.44 08:30:01 0 71.12 0.00 2.60 0.55 0.12 25.60 08:30:01 1 69.98 0.00 2.50 0.12 0.13 27.27 08:30:01 2 72.21 0.00 2.49 0.04 0.12 25.14 08:30:01 3 69.17 0.00 2.78 0.16 0.13 27.76 08:40:27 all 64.86 0.00 2.58 0.11 0.12 32.34 08:40:27 0 64.78 0.00 2.49 0.22 0.12 32.40 08:40:27 1 65.47 0.00 2.82 0.06 0.12 31.53 08:40:27 2 64.99 0.00 2.47 0.05 0.12 32.37 08:40:27 3 64.19 0.00 2.53 0.11 0.12 33.05 Average: all 67.68 0.00 2.59 0.16 0.12 29.45 Average: 0 67.89 0.00 2.55 0.38 0.12 29.07 Average: 1 67.68 0.00 2.67 0.09 0.12 29.45 Average: 2 68.53 0.00 2.48 0.05 0.12 28.83 Average: 3 66.63 0.00 2.66 0.13 0.12 30.46