---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24187 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 11G 67G 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 641 10102 4 5245 15005 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:5d:df:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84381sec preferred_lft 84381sec inet6 fe80::f816:3eff:fe5d:df9e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:e3:80:23:f3:57 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-24187) 02/28/26 _x86_64_ (4 CPU) 18:23:19 LINUX RESTART (4 CPU) 18:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:00 45.90 0.02 38.79 7.09 0.60 1679.94 132155.81 18:50:39 25.98 0.16 22.08 3.73 4.82 2110.44 24479.44 Average: 35.60 0.09 30.16 5.35 2.78 1902.40 76513.57 18:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:00 9707688 12995432 2965008 18.11 155344 3265408 3214584 18.45 674472 5613508 1076 18:50:39 8788024 12882328 3072972 18.77 176396 4004480 3108096 17.84 868704 6274564 338720 Average: 9247856 12938880 3018990 18.44 165870 3634944 3161340 18.15 771588 5944036 169898 18:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:00 lo 32.45 32.45 7.79 7.79 0.00 0.00 0.00 0.00 18:40:00 ens3 13.93 11.24 13.80 4.16 0.00 0.00 0.00 0.00 18:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:39 lo 1524.58 1524.58 1432.15 1432.15 0.00 0.00 0.00 0.00 18:50:39 ens3 57.38 41.90 317.31 11.39 0.00 0.00 0.00 0.00 18:50:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 803.52 803.52 743.84 743.84 0.00 0.00 0.00 0.00 Average: ens3 36.39 27.09 170.64 7.90 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-24187) 02/28/26 _x86_64_ (4 CPU) 18:23:19 LINUX RESTART (4 CPU) 18:30:02 CPU %user %nice %system %iowait %steal %idle 18:40:00 all 27.25 0.00 1.20 1.01 0.12 70.42 18:40:00 0 27.44 0.00 1.18 3.01 0.12 68.25 18:40:00 1 26.86 0.00 1.10 0.20 0.12 71.72 18:40:00 2 27.64 0.00 1.25 0.54 0.12 70.45 18:40:00 3 27.05 0.00 1.27 0.28 0.13 71.27 18:50:39 all 38.92 0.00 2.02 0.10 0.12 58.84 18:50:39 0 39.78 0.00 1.82 0.06 0.12 58.21 18:50:39 1 39.06 0.00 2.06 0.07 0.12 58.70 18:50:39 2 38.69 0.00 2.11 0.23 0.12 58.86 18:50:39 3 38.14 0.00 2.07 0.06 0.12 59.61 Average: all 33.27 0.00 1.62 0.54 0.12 64.45 Average: 0 33.81 0.00 1.51 1.49 0.12 63.07 Average: 1 33.16 0.00 1.60 0.13 0.12 65.00 Average: 2 33.34 0.00 1.69 0.38 0.12 64.47 Average: 3 32.78 0.00 1.68 0.17 0.12 65.25