---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54198 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 9.7G 68G 13% / 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 610 11273 4 4105 15036 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:33:21:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85127sec preferred_lft 85127sec inet6 fe80::f816:3eff:fe33:2188/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:94:25:d2:c6:03 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-54198) 03/30/26 _x86_64_ (4 CPU) 07:39:29 LINUX RESTART (4 CPU) 07:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:18 62.98 5.10 54.77 3.11 288.62 6134.18 4322.06 08:00:05 25.88 0.04 22.52 3.32 3.40 2176.89 14165.71 Average: 44.92 2.64 39.07 3.21 149.73 4207.21 9115.34 07:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:18 10044936 13525272 2432888 14.86 138620 3473120 2484876 14.26 667016 5286584 20204 08:00:05 11575712 15420748 535412 3.27 155848 3792332 1050940 6.03 785160 3602876 26836 Average: 10810324 14473010 1484150 9.06 147234 3632726 1767908 10.15 726088 4444730 23520 07:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:18 lo 1198.67 1198.67 1136.55 1136.55 0.00 0.00 0.00 0.00 07:50:18 ens3 146.92 114.30 1314.78 25.34 0.00 0.00 0.00 0.00 07:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:05 lo 1147.51 1147.51 1092.88 1092.88 0.00 0.00 0.00 0.00 08:00:05 ens3 34.65 28.24 38.71 10.39 0.00 0.00 0.00 0.00 08:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1173.76 1173.76 1115.29 1115.29 0.00 0.00 0.00 0.00 Average: ens3 92.25 72.39 693.41 18.06 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-54198) 03/30/26 _x86_64_ (4 CPU) 07:39:29 LINUX RESTART (4 CPU) 07:40:00 CPU %user %nice %system %iowait %steal %idle 07:50:18 all 50.41 0.00 2.36 0.30 0.09 46.83 07:50:18 0 49.28 0.00 2.31 0.10 0.09 48.22 07:50:18 1 51.94 0.00 2.32 0.51 0.09 45.14 07:50:18 2 50.86 0.00 2.57 0.49 0.09 45.99 07:50:18 3 49.57 0.00 2.23 0.12 0.09 47.98 08:00:05 all 62.59 0.00 2.23 0.07 0.10 35.01 08:00:05 0 61.72 0.00 2.21 0.12 0.10 35.84 08:00:05 1 62.97 0.00 1.94 0.05 0.10 34.94 08:00:05 2 62.01 0.00 2.29 0.05 0.10 35.55 08:00:05 3 63.66 0.00 2.48 0.04 0.10 33.72 Average: all 56.34 0.00 2.30 0.19 0.10 41.08 Average: 0 55.33 0.00 2.26 0.11 0.10 42.20 Average: 1 57.31 0.00 2.13 0.29 0.10 40.17 Average: 2 56.29 0.00 2.44 0.27 0.10 40.90 Average: 3 56.43 0.00 2.35 0.08 0.10 41.04