---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8219 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 15% / 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 699 9723 4 5566 14947 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:3d:c6:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84299sec preferred_lft 84299sec inet6 fe80::f816:3eff:fe3d:c687/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:57:28:6d:e0:1f 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-8219) 02/06/26 _x86_64_ (4 CPU) 12:36:09 LINUX RESTART (4 CPU) 12:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 28.77 0.91 25.18 2.68 236.89 4552.41 11019.01 13:00:14 44.13 0.05 26.79 17.30 1.32 4181.02 288597.25 13:10:04 23.81 0.14 20.97 2.69 6.59 5799.60 86605.83 Average: 32.38 0.36 24.34 7.67 80.70 4836.17 130620.06 12:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 9747520 13451268 2504188 15.29 156732 3642296 2740076 15.73 782900 5424364 7940 13:00:14 8439024 12766928 3184820 19.45 177572 4200580 3405564 19.55 926984 6541508 199136 13:10:04 10044652 15382164 564044 3.44 197424 5130092 1101404 6.32 982376 4792628 196 Average: 9410399 13866787 2084351 12.73 177243 4324323 2415681 13.87 897420 5586167 69091 12:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 963.03 963.03 917.12 917.12 0.00 0.00 0.00 0.00 12:50:02 ens3 94.69 63.68 464.40 15.85 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:14 lo 1571.12 1571.12 1497.83 1497.83 0.00 0.00 0.00 0.00 13:00:14 ens3 28.38 22.70 125.73 6.41 0.00 0.00 0.00 0.00 13:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:04 lo 11.90 11.90 1.24 1.24 0.00 0.00 0.00 0.00 13:10:04 ens3 71.86 68.37 119.27 213.33 0.00 0.00 0.00 0.00 13:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 857.49 857.49 813.84 813.84 0.00 0.00 0.00 0.00 Average: ens3 64.55 51.24 235.24 77.63 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-8219) 02/06/26 _x86_64_ (4 CPU) 12:36:09 LINUX RESTART (4 CPU) 12:40:11 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 65.71 0.00 2.34 0.16 0.11 31.68 12:50:02 0 66.92 0.00 2.58 0.09 0.11 30.30 12:50:02 1 65.34 0.00 2.06 0.16 0.11 32.33 12:50:02 2 68.03 0.00 2.41 0.24 0.11 29.21 12:50:02 3 62.56 0.00 2.30 0.14 0.11 34.88 13:00:14 all 39.60 0.00 2.06 18.10 0.13 40.11 13:00:14 0 38.72 0.00 2.02 13.50 0.11 45.64 13:00:14 1 40.37 0.00 2.07 29.05 0.14 28.38 13:00:14 2 40.34 0.00 1.74 11.71 0.15 46.06 13:00:14 3 38.97 0.00 2.41 18.19 0.12 40.31 13:10:04 all 46.22 0.00 1.62 0.44 0.11 51.61 13:10:04 0 45.62 0.00 1.75 0.39 0.12 52.13 13:10:04 1 49.08 0.00 1.46 0.51 0.11 48.83 13:10:04 2 43.06 0.00 1.63 0.52 0.10 54.69 13:10:04 3 47.09 0.00 1.65 0.35 0.10 50.80 Average: all 50.41 0.00 2.01 6.36 0.12 41.12 Average: 0 50.31 0.00 2.12 4.76 0.11 42.71 Average: 1 51.49 0.00 1.87 10.08 0.12 36.44 Average: 2 50.39 0.00 1.92 4.24 0.12 43.33 Average: 3 49.44 0.00 2.13 6.35 0.11 41.97