---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10163 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: 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 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 637 8588 4 6763 15009 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:eb:d5:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84443sec preferred_lft 84443sec inet6 fe80::f816:3eff:feeb:d574/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:49:16:94:41:bc 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-10163) 02/13/26 _x86_64_ (4 CPU) 11:51:28 LINUX RESTART (4 CPU) 12:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:18 24.96 0.08 22.02 2.86 6.88 2090.86 12078.21 12:20:01 33.19 0.15 29.56 3.48 6.82 9756.78 8280.02 Average: 29.01 0.11 25.73 3.16 6.85 5867.52 10207.01 12:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:18 9352716 13260364 2695260 16.46 149572 3871044 3142524 18.04 903640 5710992 24180 12:20:01 8868196 15376852 569376 3.48 178044 6348752 1100460 6.32 1781772 5193292 664 Average: 9110456 14318608 1632318 9.97 163808 5109898 2121492 12.18 1342706 5452142 12422 12:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:18 lo 1253.07 1253.07 1186.46 1186.46 0.00 0.00 0.00 0.00 12:10:18 ens3 37.54 30.26 21.60 11.02 0.00 0.00 0.00 0.00 12:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 844.03 844.03 798.71 798.71 0.00 0.00 0.00 0.00 12:20:01 ens3 80.16 69.77 160.07 407.05 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1051.56 1051.56 995.44 995.44 0.00 0.00 0.00 0.00 Average: ens3 58.54 49.72 89.82 206.13 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-10163) 02/13/26 _x86_64_ (4 CPU) 11:51:28 LINUX RESTART (4 CPU) 12:00:18 CPU %user %nice %system %iowait %steal %idle 12:10:18 all 61.93 0.00 2.32 0.92 0.14 34.70 12:10:18 0 61.52 0.00 2.21 0.50 0.14 35.63 12:10:18 1 63.30 0.00 2.49 0.38 0.14 33.69 12:10:18 2 61.81 0.00 2.33 2.09 0.14 33.63 12:10:18 3 61.08 0.00 2.25 0.70 0.14 35.83 12:20:01 all 54.50 0.00 2.31 0.85 0.12 42.21 12:20:01 0 53.44 0.00 2.00 0.67 0.12 43.77 12:20:01 1 57.67 0.00 2.69 0.56 0.12 38.96 12:20:01 2 55.05 0.00 2.07 0.41 0.12 42.35 12:20:01 3 51.85 0.00 2.49 1.75 0.12 43.78 Average: all 58.27 0.00 2.32 0.88 0.13 38.40 Average: 0 57.54 0.00 2.11 0.58 0.13 39.64 Average: 1 60.52 0.00 2.59 0.47 0.13 36.29 Average: 2 58.48 0.00 2.20 1.26 0.13 37.93 Average: 3 56.53 0.00 2.37 1.22 0.13 39.75