---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-428836 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 664 9542 4 5781 14982 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:dc:95:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fedc:95b3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:1e:af:08:79:9e 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-428836) 03/10/26 _x86_64_ (4 CPU) 14:56:53 LINUX RESTART (4 CPU) 15:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:41 20.47 0.37 16.81 3.30 16.17 2461.99 48308.40 15:20:04 26.70 0.17 22.67 3.86 5.00 1999.65 29192.32 Average: 23.39 0.28 19.55 3.56 10.94 2245.55 39359.40 15:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:41 9846440 13239948 2718076 16.60 128296 3391056 3015700 17.31 671472 5472080 44 15:20:04 9361244 13139700 2815260 17.19 148436 3729232 2837564 16.29 809172 5779460 21396 Average: 9603842 13189824 2766668 16.90 138366 3560144 2926632 16.80 740322 5625770 10720 15:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:41 lo 33.28 33.28 7.56 7.56 0.00 0.00 0.00 0.00 15:10:41 ens3 16.69 12.33 89.91 3.62 0.00 0.00 0.00 0.00 15:10:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:04 lo 1741.12 1741.12 1638.96 1638.96 0.00 0.00 0.00 0.00 15:20:04 ens3 37.17 27.90 278.06 6.20 0.00 0.00 0.00 0.00 15:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 832.79 832.79 771.28 771.28 0.00 0.00 0.00 0.00 Average: ens3 26.28 19.62 177.99 4.83 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-428836) 03/10/26 _x86_64_ (4 CPU) 14:56:53 LINUX RESTART (4 CPU) 15:00:01 CPU %user %nice %system %iowait %steal %idle 15:10:41 all 29.85 0.00 1.08 0.14 0.09 68.84 15:10:41 0 30.95 0.00 1.08 0.18 0.09 67.71 15:10:41 1 29.41 0.00 1.11 0.23 0.09 69.16 15:10:41 2 28.92 0.00 1.11 0.06 0.09 69.81 15:10:41 3 30.13 0.00 1.00 0.08 0.09 68.69 15:20:04 all 41.29 0.00 1.94 0.11 0.11 56.55 15:20:04 0 41.10 0.00 1.91 0.09 0.11 56.79 15:20:04 1 42.43 0.00 2.22 0.09 0.11 55.16 15:20:04 2 40.58 0.00 1.71 0.09 0.11 57.50 15:20:04 3 41.05 0.00 1.94 0.16 0.10 56.75 Average: all 35.20 0.00 1.48 0.12 0.10 63.09 Average: 0 35.70 0.00 1.47 0.14 0.10 62.60 Average: 1 35.50 0.00 1.62 0.16 0.10 62.61 Average: 2 34.37 0.00 1.39 0.08 0.10 64.06 Average: 3 35.24 0.00 1.44 0.12 0.10 63.10