---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-3470 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 16G 62G 21% / 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 628 6412 3 8948 15018 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:eb:0e:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.201/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85030sec preferred_lft 85030sec inet6 fe80::f816:3eff:feeb:ed0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:ab:e7:f0:5d:f4 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-v1-8c-8g-3470) 04/20/26 _x86_64_ (4 CPU) 05:17:27 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 40.28 2.65 36.12 1.51 357.80 14990.03 3281.44 05:40:01 254.16 1.02 243.05 10.08 35.36 14585.13 90517.57 Average: 147.22 1.84 139.58 5.80 196.58 14787.58 46899.51 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 7576968 13721496 2225800 13.59 198784 5940072 2537044 14.56 1216492 7026484 140840 05:40:01 6569804 15381124 543608 3.32 331232 8258208 1084204 6.22 2154120 6868416 12092 Average: 7073386 14551310 1384704 8.46 265008 7099140 1810624 10.39 1685306 6947450 76466 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.71 0.71 0.20 0.20 0.00 0.00 0.00 0.00 05:30:01 ens3 200.78 152.41 1694.52 32.15 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 17.67 17.67 1.67 1.67 0.00 0.00 0.00 0.00 05:40:01 ens3 112.36 115.16 299.12 664.79 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.19 9.19 0.93 0.93 0.00 0.00 0.00 0.00 Average: ens3 156.57 133.79 996.82 348.47 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-v1-8c-8g-3470) 04/20/26 _x86_64_ (4 CPU) 05:17:27 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 36.90 0.00 3.00 0.42 0.10 59.58 05:30:01 0 37.50 0.00 2.93 0.56 0.10 58.92 05:30:01 1 34.88 0.00 2.82 0.38 0.10 61.82 05:30:01 2 35.92 0.00 2.76 0.38 0.11 60.83 05:30:01 3 39.31 0.00 3.48 0.34 0.10 56.77 05:40:01 all 37.21 0.00 3.11 0.51 0.11 59.06 05:40:01 0 35.10 0.00 3.40 0.53 0.11 60.86 05:40:01 1 29.84 0.00 2.95 0.37 0.11 66.73 05:40:01 2 43.84 0.00 3.35 0.65 0.10 52.05 05:40:01 3 40.07 0.00 2.75 0.48 0.11 56.58 Average: all 37.05 0.00 3.05 0.46 0.11 59.32 Average: 0 36.30 0.00 3.16 0.54 0.10 59.89 Average: 1 32.35 0.00 2.89 0.38 0.10 64.28 Average: 2 39.88 0.00 3.06 0.52 0.11 56.44 Average: 3 39.69 0.00 3.12 0.41 0.11 56.67