---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33495 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: 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 18G 61G 23% / 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 675 12368 4 2945 14971 Swap: 1023 24 999 ---> 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:3d:64:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80096sec preferred_lft 80096sec inet6 fe80::f816:3eff:fe3d:647f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:d7:e3:1e:f8:da 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 inet6 fe80::34d7:e3ff:fe1e:f8da/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-33495) 07/06/26 _x86_64_ (4 CPU) 19:44:41 LINUX RESTART (4 CPU) 20:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:05 44.04 18.04 24.59 1.42 939.51 1516.84 1156.65 20:20:05 11.06 3.43 7.26 0.37 69.48 243.72 591.90 20:30:05 20.37 0.50 18.94 0.93 14.69 736.61 813.37 20:40:05 8.00 0.38 7.35 0.27 10.95 189.99 129.36 20:50:05 6.21 0.19 5.84 0.18 4.69 148.21 114.04 21:00:05 5.59 0.20 5.09 0.30 7.27 195.92 185.41 21:10:05 4.96 0.02 4.77 0.16 1.03 144.57 105.45 21:20:05 8.92 0.07 8.49 0.36 1.64 538.72 121.96 Average: 13.66 2.86 10.30 0.50 131.59 464.89 402.68 20:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:05 5149260 6977968 8961644 54.73 265820 1680556 9684572 55.59 1183328 9590464 256 20:20:05 12776756 14706320 1240248 7.57 269224 1775680 2049120 11.76 1235040 1957684 75284 20:30:05 10965712 12951812 2994040 18.29 272580 1828724 3804840 21.84 1263500 3733376 352 20:40:05 9298616 11307228 4637552 28.32 273508 1850276 5356896 30.75 1268796 5388084 184 20:50:05 12787324 14826504 1120280 6.84 274252 1880084 1982136 11.38 1272908 1908256 14588 21:00:05 8052800 10111280 5832816 35.62 275012 1898552 6739760 38.69 1278648 6604084 336 21:10:05 9353632 11433084 4511756 27.56 275400 1919136 5354072 30.73 1281068 5316168 396 21:20:05 8981296 11184240 4760304 29.07 278880 2033748 5363004 30.78 1295792 5660692 492 Average: 9670674 11687304 4257330 26.00 273084 1858344 5041800 28.94 1259885 5019851 11486 20:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:05 lo 42.33 42.33 19.16 19.16 0.00 0.00 0.00 0.00 20:10:05 ens3 1.81 1.54 0.46 0.38 0.00 0.00 0.00 0.00 20:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:05 lo 17.87 17.87 6.84 6.84 0.00 0.00 0.00 0.00 20:20:05 ens3 1.39 1.34 0.26 1.20 0.00 0.00 0.00 0.00 20:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:05 lo 12.71 12.71 7.30 7.30 0.00 0.00 0.00 0.00 20:30:05 ens3 0.90 0.76 0.19 0.15 0.00 0.00 0.00 0.00 20:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:05 lo 19.69 19.69 9.50 9.50 0.00 0.00 0.00 0.00 20:40:05 ens3 0.80 0.71 0.18 0.15 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 28.56 28.56 10.07 10.07 0.00 0.00 0.00 0.00 20:50:05 ens3 0.49 0.45 0.11 0.08 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 19.14 19.14 10.86 10.86 0.00 0.00 0.00 0.00 21:00:05 ens3 0.78 0.61 0.20 0.15 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:05 lo 17.90 17.90 10.06 10.06 0.00 0.00 0.00 0.00 21:10:05 ens3 0.55 0.46 0.11 0.10 0.00 0.00 0.00 0.00 21:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:05 lo 21.41 21.41 10.29 10.29 0.00 0.00 0.00 0.00 21:20:05 ens3 0.93 0.83 0.26 0.21 0.00 0.00 0.00 0.00 21:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.46 22.46 10.51 10.51 0.00 0.00 0.00 0.00 Average: ens3 0.96 0.84 0.22 0.30 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-16g-33495) 07/06/26 _x86_64_ (4 CPU) 19:44:41 LINUX RESTART (4 CPU) 20:00:02 CPU %user %nice %system %iowait %steal %idle 20:10:05 all 41.92 0.00 1.63 0.18 0.11 56.16 20:10:05 0 41.57 0.00 1.62 0.16 0.11 56.54 20:10:05 1 41.91 0.00 1.73 0.18 0.11 56.07 20:10:05 2 41.58 0.00 1.66 0.19 0.11 56.46 20:10:05 3 42.63 0.00 1.53 0.18 0.11 55.55 20:20:05 all 11.34 0.00 0.59 0.06 0.09 87.92 20:20:05 0 11.12 0.00 0.53 0.08 0.09 88.19 20:20:05 1 10.86 0.00 0.57 0.03 0.10 88.44 20:20:05 2 11.11 0.00 0.64 0.04 0.09 88.12 20:20:05 3 12.27 0.00 0.61 0.09 0.09 86.94 20:30:05 all 31.17 0.00 0.98 0.08 0.09 67.67 20:30:05 0 30.45 0.00 0.93 0.15 0.09 68.39 20:30:05 1 31.37 0.00 0.98 0.06 0.08 67.52 20:30:05 2 31.56 0.00 1.06 0.09 0.09 67.20 20:30:05 3 31.33 0.00 0.97 0.04 0.09 67.58 20:40:05 all 14.93 0.00 0.58 0.03 0.08 84.39 20:40:05 0 14.87 0.00 0.59 0.04 0.08 84.42 20:40:05 1 14.56 0.00 0.58 0.02 0.07 84.77 20:40:05 2 15.02 0.00 0.57 0.02 0.08 84.31 20:40:05 3 15.26 0.00 0.58 0.03 0.08 84.04 20:50:05 all 10.42 0.00 0.57 0.03 0.07 88.91 20:50:05 0 10.80 0.00 0.57 0.00 0.06 88.57 20:50:05 1 10.94 0.00 0.62 0.01 0.06 88.38 20:50:05 2 9.49 0.00 0.58 0.03 0.07 89.83 20:50:05 3 10.47 0.00 0.52 0.08 0.07 88.86 21:00:05 all 16.81 0.00 0.76 0.02 0.08 82.33 21:00:05 0 17.16 0.00 0.67 0.02 0.07 82.08 21:00:05 1 17.21 0.00 0.78 0.03 0.08 81.90 21:00:05 2 16.46 0.00 0.78 0.01 0.08 82.66 21:00:05 3 16.40 0.00 0.82 0.03 0.08 82.68 21:10:05 all 8.86 0.00 0.40 0.02 0.07 90.65 21:10:05 0 9.01 0.00 0.37 0.01 0.07 90.53 21:10:05 1 8.74 0.00 0.44 0.03 0.07 90.72 21:10:05 2 8.98 0.00 0.39 0.02 0.07 90.55 21:10:05 3 8.72 0.00 0.40 0.01 0.07 90.79 21:20:05 all 14.79 0.00 0.55 0.03 0.08 84.55 21:20:05 0 14.69 0.00 0.53 0.01 0.08 84.70 21:20:05 1 14.61 0.00 0.58 0.01 0.08 84.72 21:20:05 2 14.56 0.00 0.47 0.08 0.08 84.81 21:20:05 3 15.30 0.00 0.62 0.02 0.08 83.99 Average: all 18.79 0.00 0.76 0.06 0.08 80.31 Average: 0 18.71 0.00 0.73 0.06 0.08 80.42 Average: 1 18.79 0.00 0.78 0.05 0.08 80.30 Average: 2 18.60 0.00 0.77 0.06 0.08 80.49 Average: 3 19.06 0.00 0.76 0.06 0.08 80.04