---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22241 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 729 9517 4 5742 14917 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:f2:04:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84186sec preferred_lft 84186sec inet6 fe80::f816:3eff:fef2:484/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:dc:f6:7b:aa:50 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-22241) 03/24/26 _x86_64_ (4 CPU) 06:29:13 LINUX RESTART (4 CPU) 06:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:38 50.53 10.26 38.65 1.62 1684.60 11622.29 9400.35 06:50:01 29.24 0.14 25.89 3.20 6.04 2516.94 17647.32 07:00:48 21.75 0.05 19.31 2.39 1.63 5163.27 6760.95 Average: 33.96 3.60 27.99 2.37 583.89 6586.86 10987.29 06:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:38 9900248 13526292 2432596 14.86 146920 3591172 2969088 17.04 759772 5324380 28828 06:50:01 9339084 13464004 2490732 15.21 166944 4033336 3000416 17.22 873732 5708716 150084 07:00:48 6452652 11575940 4373120 26.71 191040 4953880 4583452 26.31 1027964 8396756 57168 Average: 8563995 12855412 3098816 18.93 168301 4192796 3517652 20.19 887156 6476617 78693 06:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:38 lo 372.53 372.53 354.86 354.86 0.00 0.00 0.00 0.00 06:40:38 ens3 122.25 89.59 1092.02 20.33 0.00 0.00 0.00 0.00 06:40:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 1502.26 1502.26 1432.36 1432.36 0.00 0.00 0.00 0.00 06:50:01 ens3 47.49 36.83 196.46 10.92 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:48 lo 459.12 459.12 436.64 436.64 0.00 0.00 0.00 0.00 07:00:48 ens3 45.22 35.79 101.00 12.35 0.00 0.00 0.00 0.00 07:00:48 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.90 746.90 711.64 711.64 0.00 0.00 0.00 0.00 Average: ens3 72.50 54.68 472.14 14.67 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-22241) 03/24/26 _x86_64_ (4 CPU) 06:29:13 LINUX RESTART (4 CPU) 06:30:00 CPU %user %nice %system %iowait %steal %idle 06:40:38 all 41.31 0.00 1.77 4.55 0.13 52.23 06:40:38 0 42.83 0.00 2.02 2.50 0.13 52.52 06:40:38 1 41.88 0.00 1.49 10.98 0.13 45.52 06:40:38 2 38.90 0.00 1.83 2.84 0.12 56.32 06:40:38 3 41.65 0.00 1.76 1.91 0.12 54.56 06:50:01 all 60.90 0.00 2.61 0.60 0.18 35.71 06:50:01 0 59.27 0.00 2.31 0.87 0.18 37.36 06:50:01 1 61.57 0.00 3.38 0.72 0.18 34.15 06:50:01 2 60.96 0.00 2.25 0.25 0.17 36.37 06:50:01 3 61.80 0.00 2.51 0.54 0.18 34.97 07:00:48 all 58.27 0.00 2.13 0.99 0.15 38.46 07:00:48 0 58.74 0.00 2.22 0.94 0.15 37.95 07:00:48 1 56.17 0.00 2.06 0.70 0.16 40.91 07:00:48 2 62.16 0.00 2.31 1.04 0.16 34.33 07:00:48 3 55.99 0.00 1.93 1.29 0.15 40.65 Average: all 53.21 0.00 2.15 2.10 0.15 42.38 Average: 0 53.40 0.00 2.18 1.46 0.15 42.81 Average: 1 52.89 0.00 2.27 4.25 0.15 40.44 Average: 2 53.77 0.00 2.12 1.42 0.15 42.54 Average: 3 52.80 0.00 2.05 1.27 0.15 43.73