---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20453 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 645 8896 4 6447 15001 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:0b:9c:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84223sec preferred_lft 84223sec inet6 fe80::f816:3eff:fe0b:9cea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:f0:89:17:50:99 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-20453) 02/24/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 22.56 0.06 19.84 2.66 6.36 2181.15 6522.21 19:30:01 43.93 0.03 27.13 16.77 0.68 4412.30 247890.59 Average: 33.24 0.05 23.48 9.71 3.52 3296.20 127150.06 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 8959968 12528912 3428708 20.94 144352 3539560 3485432 20.01 713120 6304620 16168 19:30:01 5943708 10581164 5371968 32.81 160724 4545480 5232716 30.04 1019476 8953360 29772 Average: 7451838 11555038 4400338 26.88 152538 4042520 4359074 25.02 866298 7628990 22970 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1306.54 1306.54 1237.71 1237.71 0.00 0.00 0.00 0.00 19:20:01 ens3 46.22 36.40 28.98 12.16 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1205.07 1205.07 1188.92 1188.92 0.00 0.00 0.00 0.00 19:30:01 ens3 44.83 34.39 30.04 11.98 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1255.83 1255.83 1213.33 1213.33 0.00 0.00 0.00 0.00 Average: ens3 45.52 35.39 29.51 12.07 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-20453) 02/24/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 67.04 0.00 2.24 0.08 0.10 30.53 19:20:01 0 67.27 0.00 2.15 0.08 0.10 30.40 19:20:01 1 66.60 0.00 2.06 0.08 0.10 31.15 19:20:01 2 66.01 0.00 2.09 0.09 0.10 31.71 19:20:01 3 68.28 0.00 2.67 0.09 0.10 28.86 19:30:01 all 55.67 0.00 2.24 0.18 0.09 41.81 19:30:01 0 53.19 0.00 2.11 0.14 0.09 44.47 19:30:01 1 59.13 0.00 2.31 0.08 0.09 38.39 19:30:01 2 53.98 0.00 2.24 0.21 0.09 43.47 19:30:01 3 56.41 0.00 2.30 0.29 0.09 40.92 Average: all 61.36 0.00 2.24 0.13 0.10 36.17 Average: 0 60.23 0.00 2.13 0.11 0.09 37.44 Average: 1 62.87 0.00 2.18 0.08 0.10 34.77 Average: 2 60.00 0.00 2.17 0.15 0.10 37.59 Average: 3 62.34 0.00 2.48 0.19 0.10 34.89