---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1461 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 663 8882 4 6443 14983 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:22:72:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84057sec preferred_lft 84057sec inet6 fe80::f816:3eff:fe22:726e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:9c:90:cf:3f:95 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1461) 08/02/26 _x86_64_ (4 CPU) 05:23:43 LINUX RESTART (4 CPU) 05:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:06 29.99 1.08 25.71 3.19 45.96 3888.23 5261.87 05:50:06 32.78 0.01 29.38 3.38 0.21 2713.68 10131.63 06:00:06 26.07 0.16 10.70 15.20 9.92 7546.92 273166.51 Average: 29.61 0.42 21.93 7.26 18.70 4716.28 96186.67 05:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:06 8997036 12802076 3155108 19.27 140940 3769924 3277968 18.82 716224 6254400 190768 05:50:06 8936884 13201828 2752876 16.81 160396 4182132 2886132 16.57 812516 6191972 190124 06:00:06 9140152 15377580 569736 3.48 177336 6072432 1097436 6.30 1561316 5144468 208 Average: 9024691 13793828 2159240 13.19 159557 4674829 2420512 13.89 1030019 5863613 127033 05:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:06 lo 1620.63 1620.63 1538.46 1538.46 0.00 0.00 0.00 0.00 05:40:06 ens3 95.66 73.96 440.78 16.95 0.00 0.00 0.00 0.00 05:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:06 lo 1407.10 1407.10 1340.43 1340.43 0.00 0.00 0.00 0.00 05:50:06 ens3 42.52 34.15 41.39 12.66 0.00 0.00 0.00 0.00 05:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 366.09 366.09 6844.75 6844.75 0.00 0.00 0.00 0.00 06:00:06 ens3 52.59 65.09 107.96 907.24 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1131.28 1131.28 3241.21 3241.21 0.00 0.00 0.00 0.00 Average: ens3 63.59 57.73 196.71 312.28 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1461) 08/02/26 _x86_64_ (4 CPU) 05:23:43 LINUX RESTART (4 CPU) 05:30:06 CPU %user %nice %system %iowait %steal %idle 05:40:06 all 69.58 0.00 2.52 0.07 0.10 27.72 05:40:06 0 70.70 0.00 2.49 0.06 0.10 26.65 05:40:06 1 70.58 0.00 2.29 0.05 0.10 26.98 05:40:06 2 69.38 0.00 2.91 0.09 0.10 27.51 05:40:06 3 67.67 0.00 2.40 0.08 0.10 29.74 05:50:06 all 63.43 0.00 2.51 0.07 0.10 33.89 05:50:06 0 64.00 0.00 2.47 0.04 0.10 33.39 05:50:06 1 62.12 0.00 2.36 0.08 0.10 35.34 05:50:06 2 63.66 0.00 2.50 0.07 0.10 33.67 05:50:06 3 63.95 0.00 2.71 0.08 0.10 33.17 06:00:06 all 26.49 0.00 0.93 0.12 0.06 72.40 06:00:06 0 28.97 0.00 1.07 0.32 0.06 69.57 06:00:06 1 27.67 0.00 1.00 0.09 0.06 71.18 06:00:06 2 21.12 0.00 0.79 0.03 0.06 78.00 06:00:06 3 28.19 0.00 0.85 0.04 0.06 70.86 Average: all 53.14 0.00 1.99 0.09 0.09 44.70 Average: 0 54.55 0.00 2.01 0.14 0.09 43.22 Average: 1 53.40 0.00 1.88 0.08 0.09 44.55 Average: 2 51.37 0.00 2.06 0.07 0.09 46.42 Average: 3 53.25 0.00 1.99 0.07 0.09 44.61