---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8883 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 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 662 8701 4 6625 14984 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:4f:d1:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84204sec preferred_lft 84204sec inet6 fe80::f816:3eff:fe4f:d163/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:3c:0f:1c:ca:8d 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-8883) 02/09/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:10 24.22 0.06 21.29 2.87 6.66 2190.67 11240.64 05:50:01 30.61 0.03 27.32 3.27 0.55 4529.08 18981.87 Average: 27.40 0.04 24.29 3.07 3.62 3355.52 15096.83 05:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:10 9214996 13017336 2939508 17.95 144176 3776036 3044120 17.47 899168 5855600 25532 05:50:01 6753624 11602468 4350456 26.57 160140 4760128 4396344 25.23 1187448 7985780 572 Average: 7984310 12309902 3644982 22.26 152158 4268082 3720232 21.35 1043308 6920690 13052 05:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:10 lo 1287.92 1287.92 1220.42 1220.42 0.00 0.00 0.00 0.00 05:40:10 ens3 46.34 37.41 28.91 12.70 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1236.95 1236.95 1172.84 1172.84 0.00 0.00 0.00 0.00 05:50:01 ens3 45.40 36.28 43.61 12.73 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1262.53 1262.53 1196.72 1196.72 0.00 0.00 0.00 0.00 Average: ens3 45.87 36.85 36.23 12.72 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-8883) 02/09/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:15 CPU %user %nice %system %iowait %steal %idle 05:40:10 all 65.55 0.00 2.32 0.07 0.09 31.98 05:40:10 0 65.44 0.00 2.55 0.07 0.09 31.85 05:40:10 1 67.48 0.00 2.24 0.09 0.09 30.10 05:40:10 2 64.01 0.00 2.36 0.06 0.09 33.47 05:40:10 3 65.26 0.00 2.13 0.05 0.09 32.48 05:50:01 all 56.18 0.00 2.26 0.20 0.09 41.27 05:50:01 0 55.19 0.00 2.57 0.11 0.09 42.03 05:50:01 1 57.18 0.00 2.19 0.37 0.09 40.17 05:50:01 2 57.86 0.00 2.20 0.17 0.09 39.68 05:50:01 3 54.49 0.00 2.07 0.14 0.09 43.20 Average: all 60.88 0.00 2.29 0.13 0.09 36.60 Average: 0 60.34 0.00 2.56 0.09 0.09 36.92 Average: 1 62.35 0.00 2.21 0.23 0.09 35.11 Average: 2 60.95 0.00 2.28 0.12 0.09 36.56 Average: 3 59.90 0.00 2.10 0.09 0.09 37.81