---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26481 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 11G 68G 14% / 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 643 10618 4 4727 15003 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:71:11:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84583sec preferred_lft 84583sec inet6 fe80::f816:3eff:fe71:11a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:2c:d6:56:43:07 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-26481) 03/04/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 11.82 0.47 10.30 1.05 16.73 2646.95 984.25 09:40:08 28.06 0.72 23.18 4.17 30.28 3727.01 3813.21 Average: 20.05 0.60 16.82 2.63 23.59 3194.23 2417.72 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 9533896 13076228 2881172 17.60 147628 3489672 3147560 18.07 654252 5770916 26316 09:40:08 10941860 15424868 526128 3.21 173588 4343588 1034400 5.94 913516 4023716 10556 Average: 10237878 14250548 1703650 10.41 160608 3916630 2090980 12.00 783884 4897316 18436 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 70.76 56.64 142.44 17.90 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:08 lo 1535.26 1535.26 1451.75 1451.75 0.00 0.00 0.00 0.00 09:40:08 ens3 129.11 115.08 411.28 200.96 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 778.60 778.60 735.69 735.69 0.00 0.00 0.00 0.00 Average: ens3 100.33 86.25 278.66 110.66 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-26481) 03/04/26 _x86_64_ (4 CPU) 09:10:29 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 73.19 0.00 2.24 0.04 0.12 24.41 09:30:01 0 71.31 0.00 2.25 0.05 0.12 26.28 09:30:01 1 74.07 0.00 2.43 0.05 0.12 23.33 09:30:01 2 73.42 0.00 2.10 0.05 0.12 24.31 09:30:01 3 73.95 0.00 2.20 0.02 0.12 23.71 09:40:08 all 46.44 0.00 2.12 0.20 0.08 51.16 09:40:08 0 45.21 0.00 1.99 0.33 0.08 52.39 09:40:08 1 48.45 0.00 2.01 0.23 0.08 49.22 09:40:08 2 49.12 0.00 2.43 0.15 0.08 48.22 09:40:08 3 42.98 0.00 2.07 0.07 0.08 54.80 Average: all 59.62 0.00 2.18 0.12 0.10 37.97 Average: 0 58.07 0.00 2.12 0.19 0.10 39.53 Average: 1 61.08 0.00 2.22 0.14 0.10 36.46 Average: 2 61.10 0.00 2.27 0.10 0.10 36.43 Average: 3 58.24 0.00 2.13 0.04 0.10 39.48