---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20647 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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: 5600.00 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 66G 16% / 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 652 9042 4 6294 14994 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:10:09:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84923sec preferred_lft 84923sec inet6 fe80::f816:3eff:fe10:9e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:c4:f8:b6:37:29 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20647) 02/25/26 _x86_64_ (4 CPU) 13:19:30 LINUX RESTART (4 CPU) 13:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 67.20 10.75 53.11 3.33 1371.96 6524.65 9350.09 13:40:19 35.60 0.02 31.97 3.61 0.57 2699.35 11589.80 Average: 51.19 5.32 42.40 3.47 677.17 4586.63 10484.80 13:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 9437560 12760288 3199984 19.54 131488 3328804 3359804 19.29 653736 5905008 9100 13:40:19 8802824 12793496 3162248 19.31 155636 3928424 3283536 18.85 816516 6335112 196824 Average: 9120192 12776892 3181116 19.43 143562 3628614 3321670 19.07 735126 6120060 102962 13:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 1359.21 1359.21 1288.22 1288.22 0.00 0.00 0.00 0.00 13:30:01 ens3 147.65 110.03 1212.26 21.61 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:19 lo 1556.50 1556.50 1482.47 1482.47 0.00 0.00 0.00 0.00 13:40:19 ens3 27.10 23.50 48.64 7.20 0.00 0.00 0.00 0.00 13:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1459.16 1459.16 1386.63 1386.63 0.00 0.00 0.00 0.00 Average: ens3 86.58 66.19 622.73 14.31 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20647) 02/25/26 _x86_64_ (4 CPU) 13:19:30 LINUX RESTART (4 CPU) 13:20:00 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 60.10 0.00 2.62 0.60 0.11 36.57 13:30:01 0 59.48 0.00 2.56 0.51 0.11 37.34 13:30:01 1 60.03 0.00 2.53 0.86 0.11 36.48 13:30:01 2 58.86 0.00 2.65 0.47 0.11 37.91 13:30:01 3 62.04 0.00 2.72 0.58 0.11 34.54 13:40:19 all 64.89 0.00 2.54 0.31 0.10 32.15 13:40:19 0 65.89 0.00 2.59 0.14 0.11 31.27 13:40:19 1 63.84 0.00 2.55 0.18 0.11 33.32 13:40:19 2 65.52 0.00 2.53 0.59 0.10 31.26 13:40:19 3 64.32 0.00 2.50 0.33 0.11 32.75 Average: all 62.53 0.00 2.58 0.45 0.11 34.33 Average: 0 62.72 0.00 2.58 0.32 0.11 34.27 Average: 1 61.96 0.00 2.54 0.51 0.11 34.88 Average: 2 62.24 0.00 2.59 0.53 0.11 34.54 Average: 3 63.20 0.00 2.61 0.45 0.11 33.63