---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25267 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 630 10620 4 4738 15016 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:99:85:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84693sec preferred_lft 84693sec inet6 fe80::f816:3eff:fe99:8560/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:93:d3:bc:13:17 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-25267) 03/02/26 _x86_64_ (4 CPU) 09:56:25 LINUX RESTART (4 CPU) 10:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 7.29 0.36 6.53 0.40 31.21 1275.11 171.97 10:20:12 11.01 0.53 9.92 0.56 19.02 1582.51 1300.48 Average: 9.18 0.44 8.25 0.48 25.02 1431.32 745.42 10:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9002220 11960848 4001872 24.44 114692 3009528 4174560 23.96 502164 6518312 1096 10:20:12 8146004 11775616 4183304 25.55 134408 3623760 4718048 27.08 684008 7150800 266548 Average: 8574112 11868232 4092588 25.00 124550 3316644 4446304 25.52 593086 6834556 133822 10:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 10:10:01 ens3 21.59 14.78 167.61 3.00 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:12 lo 200.57 200.57 190.88 190.88 0.00 0.00 0.00 0.00 10:20:12 ens3 33.32 22.28 382.25 3.28 0.00 0.00 0.00 0.00 10:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 102.25 102.25 97.19 97.19 0.00 0.00 0.00 0.00 Average: ens3 27.55 18.59 276.68 3.14 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-25267) 03/02/26 _x86_64_ (4 CPU) 09:56:25 LINUX RESTART (4 CPU) 10:00:10 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 49.53 0.00 0.85 0.50 0.12 49.00 10:10:01 0 43.28 0.00 0.81 1.52 0.11 54.28 10:10:01 1 55.18 0.00 0.79 0.12 0.12 43.79 10:10:01 2 42.90 0.00 0.86 0.24 0.11 55.89 10:10:01 3 56.74 0.00 0.95 0.12 0.12 42.08 10:20:12 all 48.17 0.00 0.95 0.29 0.11 50.48 10:20:12 0 33.31 0.00 0.73 0.07 0.10 65.79 10:20:12 1 74.79 0.00 0.97 0.36 0.13 23.74 10:20:12 2 36.12 0.00 0.99 0.61 0.10 62.18 10:20:12 3 48.49 0.00 1.10 0.12 0.12 50.17 Average: all 48.84 0.00 0.90 0.39 0.11 49.75 Average: 0 38.21 0.00 0.77 0.78 0.11 60.13 Average: 1 65.14 0.00 0.88 0.24 0.13 33.61 Average: 2 39.45 0.00 0.92 0.43 0.11 59.09 Average: 3 52.55 0.00 1.03 0.12 0.12 46.19