---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9218 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: 5600.00 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 67G 15% / 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 735 9301 4 5953 14911 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:8d:82:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84084sec preferred_lft 84084sec inet6 fe80::f816:3eff:fe8d:8242/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:52:0b:f0:fc:c0 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-9218) 02/10/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:04 23.44 0.48 21.39 1.57 15.95 4609.54 3312.33 20:50:01 58.90 0.00 47.49 11.41 0.00 2867.50 12837.85 21:00:08 28.64 0.13 24.32 4.19 6.38 4688.99 7333.75 Average: 36.95 0.20 31.03 5.72 7.44 4058.73 7824.81 20:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:04 9234512 13471976 2480512 15.15 182796 4119420 2747656 15.77 941284 5725652 43192 20:50:01 8571600 13151716 2796956 17.08 208100 4402332 3310616 19.00 1033608 6276636 11060 21:00:08 9628392 15357664 586196 3.58 241076 5459876 1121888 6.44 1411872 4747332 88 Average: 9144835 13993785 1954555 11.94 210657 4660543 2393387 13.74 1128921 5583207 18113 20:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:04 lo 406.63 406.63 386.65 386.65 0.00 0.00 0.00 0.00 20:40:04 ens3 90.54 66.96 305.40 20.11 0.00 0.00 0.00 0.00 20:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5853.01 5853.01 5579.06 5579.06 0.00 0.00 0.00 0.00 20:50:01 ens3 76.34 58.27 27.98 21.10 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:08 lo 1823.02 1823.02 1722.47 1722.47 0.00 0.00 0.00 0.00 21:00:08 ens3 117.81 109.57 141.48 170.18 0.00 0.00 0.00 0.00 21:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2689.37 2689.37 2558.05 2558.05 0.00 0.00 0.00 0.00 Average: ens3 95.02 78.43 158.22 70.98 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-9218) 02/10/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:06 CPU %user %nice %system %iowait %steal %idle 20:40:04 all 69.20 0.00 2.49 0.09 0.09 28.14 20:40:04 0 69.25 0.00 2.49 0.08 0.09 28.10 20:40:04 1 69.74 0.00 2.38 0.05 0.09 27.75 20:40:04 2 69.28 0.00 2.66 0.13 0.09 27.84 20:40:04 3 68.53 0.00 2.41 0.09 0.09 28.88 20:50:01 all 60.94 0.00 4.16 0.17 0.09 34.64 20:50:01 0 60.99 0.00 3.95 0.13 0.09 34.84 20:50:01 1 61.20 0.00 4.53 0.11 0.09 34.07 20:50:01 2 60.95 0.00 4.07 0.26 0.09 34.63 20:50:01 3 60.63 0.00 4.10 0.16 0.08 35.02 21:00:08 all 45.26 0.00 2.31 0.19 0.08 52.16 21:00:08 0 45.71 0.00 2.53 0.08 0.08 51.58 21:00:08 1 41.98 0.00 2.32 0.31 0.09 55.30 21:00:08 2 46.99 0.00 2.45 0.26 0.08 50.23 21:00:08 3 46.37 0.00 1.93 0.10 0.08 51.52 Average: all 58.40 0.00 2.98 0.15 0.09 38.39 Average: 0 58.59 0.00 2.99 0.09 0.09 38.24 Average: 1 57.56 0.00 3.07 0.16 0.09 39.12 Average: 2 59.01 0.00 3.06 0.22 0.09 37.63 Average: 3 58.45 0.00 2.81 0.12 0.08 38.54