---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14034 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 691 10426 4 4870 14955 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:00:38:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84834sec preferred_lft 84834sec inet6 fe80::f816:3eff:fe00:38d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:86:a4:24:91:82 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14034) 12/16/25 _x86_64_ (4 CPU) 00:56:23 LINUX RESTART (4 CPU) 01:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:01 32.26 2.45 15.76 14.05 539.91 3465.54 253689.75 01:20:05 31.04 0.91 26.16 3.97 29.30 4453.51 4600.46 Average: 31.64 1.67 21.00 8.97 282.81 3963.00 128268.01 01:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:01 10078532 13535764 2422592 14.80 136748 3445348 2753540 15.81 702272 5212032 26484 01:20:05 10747312 15373908 575688 3.52 169548 4495776 1102384 6.33 1026584 4098468 196 Average: 10412922 14454836 1499140 9.16 153148 3970562 1927962 11.07 864428 4655250 13340 01:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:01 lo 1.39 1.39 0.15 0.15 0.00 0.00 0.00 0.00 01:10:01 ens3 112.75 83.78 726.38 19.84 0.00 0.00 0.00 0.00 01:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:05 lo 1386.47 1386.47 1313.81 1313.81 0.00 0.00 0.00 0.00 01:20:05 ens3 100.99 84.92 412.69 108.25 0.00 0.00 0.00 0.00 01:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 698.81 698.81 661.60 661.60 0.00 0.00 0.00 0.00 Average: ens3 106.83 84.36 568.43 64.36 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-14034) 12/16/25 _x86_64_ (4 CPU) 00:56:23 LINUX RESTART (4 CPU) 01:00:05 CPU %user %nice %system %iowait %steal %idle 01:10:01 all 67.74 0.00 2.25 0.11 0.09 29.80 01:10:01 0 67.53 0.00 2.37 0.10 0.09 29.90 01:10:01 1 67.08 0.00 2.00 0.09 0.09 30.74 01:10:01 2 68.76 0.00 2.40 0.06 0.09 28.68 01:10:01 3 67.60 0.00 2.25 0.19 0.09 29.86 01:20:05 all 58.86 0.00 2.36 0.11 0.09 38.58 01:20:05 0 56.31 0.00 2.29 0.12 0.09 41.19 01:20:05 1 55.84 0.00 2.24 0.09 0.09 41.74 01:20:05 2 59.41 0.00 2.57 0.11 0.08 37.83 01:20:05 3 63.87 0.00 2.36 0.11 0.08 33.58 Average: all 63.27 0.00 2.31 0.11 0.09 34.22 Average: 0 61.88 0.00 2.33 0.11 0.09 35.59 Average: 1 61.42 0.00 2.12 0.09 0.09 36.28 Average: 2 64.05 0.00 2.48 0.09 0.09 33.29 Average: 3 65.72 0.00 2.31 0.15 0.09 31.73