---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-460954 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 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 655 8537 4 6796 14991 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:b5:ed:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84442sec preferred_lft 84442sec inet6 fe80::f816:3eff:feb5:ed78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:40:2c:f9:49:1e 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-460954) 03/13/26 _x86_64_ (4 CPU) 09:07:43 LINUX RESTART (4 CPU) 09:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:13 32.48 2.75 26.43 3.30 541.58 4422.62 5872.04 09:30:05 31.05 0.01 27.89 3.15 0.16 2738.12 22593.57 09:40:14 17.46 0.14 15.63 1.69 11.23 9097.89 7567.30 Average: 26.95 0.97 23.27 2.71 185.66 5447.67 11914.06 09:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:13 9550168 13269116 2689064 16.42 136260 3706088 2773120 15.92 810108 5632624 22508 09:30:05 9001372 13115728 2838744 17.34 161760 4045848 2853364 16.38 928068 6015780 17248 09:40:14 8813560 15417140 530328 3.24 181048 6434820 1059456 6.08 1800160 5243836 12468 Average: 9121700 13933995 2019379 12.33 159689 4728919 2228647 12.79 1179445 5630747 17408 09:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:13 lo 1550.23 1550.23 1470.23 1470.23 0.00 0.00 0.00 0.00 09:20:13 ens3 87.92 58.20 585.12 11.10 0.00 0.00 0.00 0.00 09:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:05 lo 1504.00 1504.00 1433.12 1433.12 0.00 0.00 0.00 0.00 09:30:05 ens3 22.22 19.85 41.04 6.03 0.00 0.00 0.00 0.00 09:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:14 lo 326.73 326.73 6822.18 6822.18 0.00 0.00 0.00 0.00 09:40:14 ens3 33.64 27.24 103.75 32.59 0.00 0.00 0.00 0.00 09:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1122.63 1122.63 3262.35 3262.35 0.00 0.00 0.00 0.00 Average: ens3 48.13 35.22 244.84 16.69 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-460954) 03/13/26 _x86_64_ (4 CPU) 09:07:43 LINUX RESTART (4 CPU) 09:10:06 CPU %user %nice %system %iowait %steal %idle 09:20:13 all 68.13 0.00 2.55 1.17 0.12 28.03 09:20:13 0 69.10 0.00 2.50 2.07 0.12 26.21 09:20:13 1 67.38 0.00 2.52 0.78 0.13 29.18 09:20:13 2 67.21 0.00 2.45 0.98 0.12 29.24 09:20:13 3 68.82 0.00 2.74 0.85 0.12 27.48 09:30:05 all 61.52 0.00 2.53 1.93 0.12 33.90 09:30:05 0 60.60 0.00 2.44 2.43 0.12 34.41 09:30:05 1 61.62 0.00 2.40 2.28 0.12 33.58 09:30:05 2 65.04 0.00 2.88 1.89 0.12 30.06 09:30:05 3 58.83 0.00 2.38 1.10 0.12 37.56 09:40:14 all 32.51 0.00 1.22 5.88 0.09 60.31 09:40:14 0 36.61 0.00 1.06 8.00 0.09 54.24 09:40:14 1 26.75 0.00 1.45 4.46 0.09 67.26 09:40:14 2 37.28 0.00 1.24 6.51 0.10 54.88 09:40:14 3 29.41 0.00 1.12 4.55 0.09 64.83 Average: all 53.96 0.00 2.09 3.00 0.11 40.84 Average: 0 55.36 0.00 2.00 4.19 0.11 38.35 Average: 1 51.78 0.00 2.12 2.51 0.11 43.48 Average: 2 56.41 0.00 2.18 3.14 0.11 38.15 Average: 3 52.27 0.00 2.07 2.18 0.11 43.37