---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9504 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 661 8808 4 6519 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:89:cb:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84457sec preferred_lft 84457sec inet6 fe80::f816:3eff:fe89:cbb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:f2:ff:0e:50:35 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-9504) 02/11/26 _x86_64_ (4 CPU) 12:38:00 LINUX RESTART (4 CPU) 12:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 47.77 2.63 28.28 16.86 517.52 4559.61 262107.04 13:00:09 32.96 0.01 29.53 3.42 0.16 2807.39 54394.57 13:10:00 14.53 0.13 13.03 1.36 13.80 8400.60 38939.45 Average: 31.77 0.92 23.67 7.18 175.66 5232.04 117951.58 12:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 8796448 12337548 3621332 22.12 131680 3542728 3677832 21.11 800268 6395924 3932 13:00:09 9075512 13063996 2891284 17.66 154884 3933880 2886920 16.57 920664 5948260 41248 13:10:00 9113272 15431172 517024 3.16 172152 6170304 1041912 5.98 1734700 5031068 4 Average: 8995077 13610905 2343213 14.31 152905 4548971 2535555 14.55 1151877 5791751 15061 12:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 1541.58 1541.58 1462.71 1462.71 0.00 0.00 0.00 0.00 12:50:01 ens3 80.43 55.91 584.56 11.39 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:09 lo 1555.41 1555.41 1481.29 1481.29 0.00 0.00 0.00 0.00 13:00:09 ens3 22.78 20.98 24.28 6.51 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 234.92 234.92 6942.91 6942.91 0.00 0.00 0.00 0.00 13:10:00 ens3 28.12 22.79 100.58 31.74 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1115.15 1115.15 3277.21 3277.21 0.00 0.00 0.00 0.00 Average: ens3 43.60 33.12 234.65 16.45 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-9504) 02/11/26 _x86_64_ (4 CPU) 12:38:00 LINUX RESTART (4 CPU) 12:40:09 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 69.25 0.00 2.54 0.24 0.10 27.88 12:50:01 0 68.79 0.00 2.52 0.26 0.10 28.32 12:50:01 1 68.64 0.00 2.44 0.20 0.10 28.63 12:50:01 2 68.91 0.00 2.51 0.37 0.09 28.11 12:50:01 3 70.65 0.00 2.69 0.11 0.10 26.45 13:00:09 all 62.84 0.00 2.54 1.62 0.10 32.90 13:00:09 0 62.96 0.00 2.44 0.57 0.10 33.93 13:00:09 1 63.85 0.00 2.75 0.94 0.10 32.36 13:00:09 2 62.77 0.00 2.21 2.60 0.10 32.32 13:00:09 3 61.79 0.00 2.74 2.36 0.11 32.99 13:10:00 all 27.90 0.00 0.94 1.25 0.06 69.84 13:10:00 0 23.52 0.00 1.07 0.80 0.06 74.55 13:10:00 1 35.20 0.00 0.83 0.82 0.06 63.08 13:10:00 2 31.83 0.00 1.02 3.24 0.06 63.85 13:10:00 3 21.06 0.00 0.83 0.15 0.06 77.90 Average: all 53.41 0.00 2.01 1.04 0.09 43.45 Average: 0 51.86 0.00 2.02 0.54 0.09 45.50 Average: 1 55.96 0.00 2.01 0.65 0.09 41.28 Average: 2 54.57 0.00 1.92 2.08 0.09 41.34 Average: 3 51.26 0.00 2.09 0.89 0.09 45.67