---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-474270 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 8773 4 6560 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:5b:ed:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83862sec preferred_lft 83862sec inet6 fe80::f816:3eff:fe5b:edc7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:e5:8b:1e:52:f9 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-474270) 03/14/26 _x86_64_ (4 CPU) 18:50:39 LINUX RESTART (4 CPU) 19:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:10:04 27.49 1.08 23.38 3.03 45.78 3686.39 8069.76 19:20:04 30.89 0.01 27.66 3.21 0.16 2472.20 12142.49 19:30:01 14.38 0.14 12.69 1.55 6.39 8550.85 3625.49 Average: 24.28 0.41 21.27 2.60 17.52 4893.08 7955.63 19:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:04 8607360 12168088 3789964 23.15 142984 3539516 3698916 21.23 692932 6687928 13616 19:20:04 9043720 13014492 2939800 17.96 167892 3892760 2844488 16.33 810552 6083380 32232 19:30:01 9005424 15362764 584048 3.57 185844 6184692 1085860 6.23 1635540 5197300 52 Average: 8885501 13515115 2437937 14.89 165573 4538989 2543088 14.60 1046341 5989536 15300 19:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:10:04 lo 1607.70 1607.70 1525.97 1525.97 0.00 0.00 0.00 0.00 19:10:04 ens3 78.87 58.42 443.75 14.98 0.00 0.00 0.00 0.00 19:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:04 lo 1482.07 1482.07 1412.46 1412.46 0.00 0.00 0.00 0.00 19:20:04 ens3 41.79 32.23 45.80 10.62 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 361.69 361.69 6993.17 6993.17 0.00 0.00 0.00 0.00 19:30:01 ens3 56.32 56.61 109.80 389.33 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1152.99 1152.99 3299.43 3299.43 0.00 0.00 0.00 0.00 Average: ens3 59.03 49.09 200.39 137.55 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-474270) 03/14/26 _x86_64_ (4 CPU) 18:50:39 LINUX RESTART (4 CPU) 19:00:01 CPU %user %nice %system %iowait %steal %idle 19:10:04 all 70.57 0.00 2.69 0.06 0.09 26.59 19:10:04 0 70.41 0.00 2.84 0.03 0.09 26.63 19:10:04 1 69.44 0.00 2.58 0.10 0.09 27.79 19:10:04 2 70.69 0.00 2.81 0.07 0.09 26.33 19:10:04 3 71.73 0.00 2.53 0.05 0.09 25.59 19:20:04 all 64.83 0.00 2.68 0.08 0.09 32.32 19:20:04 0 63.43 0.00 2.44 0.13 0.09 33.91 19:20:04 1 65.52 0.00 2.97 0.07 0.09 31.35 19:20:04 2 63.81 0.00 2.67 0.06 0.09 33.37 19:20:04 3 66.56 0.00 2.64 0.07 0.09 30.64 19:30:01 all 36.82 0.00 1.30 0.19 0.07 61.62 19:30:01 0 34.79 0.00 1.47 0.07 0.07 63.61 19:30:01 1 42.43 0.00 1.45 0.14 0.08 55.91 19:30:01 2 35.33 0.00 1.28 0.45 0.07 62.86 19:30:01 3 34.74 0.00 1.00 0.09 0.07 64.10 Average: all 57.46 0.00 2.23 0.11 0.08 40.12 Average: 0 56.26 0.00 2.25 0.07 0.08 41.34 Average: 1 59.17 0.00 2.34 0.10 0.09 38.31 Average: 2 56.67 0.00 2.26 0.19 0.08 40.79 Average: 3 57.74 0.00 2.06 0.07 0.08 40.05