---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-7973 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 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 691 10736 3 4561 14955 Swap: 1023 1 1022 ---> 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:b5:62:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80317sec preferred_lft 80317sec inet6 fe80::f816:3eff:feb5:62e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:28:20:f3:33:dc 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-16g-7973) 02/05/26 _x86_64_ (4 CPU) 17:04:04 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:02 99.85 24.35 70.99 4.51 922.98 12824.42 15353.42 17:30:01 15.62 0.16 14.63 0.83 4.95 390.35 578.55 17:40:01 18.78 0.15 17.75 0.87 12.87 750.63 954.35 17:50:02 14.71 0.04 14.07 0.60 1.82 388.84 502.13 18:00:02 21.37 0.10 5.25 16.01 1.96 131.85 211607.07 18:10:01 5.02 0.01 4.84 0.17 1.44 133.41 572.02 18:20:02 5.76 0.00 5.59 0.16 0.39 144.65 622.79 18:30:01 9.65 0.02 9.24 0.39 0.97 522.06 189.46 18:40:01 8.15 0.02 7.84 0.28 0.60 261.54 1304.28 Average: 22.11 2.76 16.70 2.65 105.43 1728.82 25745.96 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:02 3883736 7462568 8468648 51.72 261300 3274976 10576052 60.71 2041108 9842924 480 17:30:01 3447748 7050352 8880348 54.24 264276 3295884 9526900 54.68 2079472 10212488 600 17:40:01 9910152 13637972 2297796 14.03 269720 3415608 3007696 17.26 2110972 3773780 252 17:50:02 7518676 11292436 4641992 28.35 272144 3459116 5361728 30.78 2116072 6151076 328 18:00:02 7550768 11345044 4589136 28.03 274840 3476936 5310848 30.48 2124264 6098104 332 18:10:01 6007828 9817896 6115588 37.35 275356 3492204 6814208 39.11 2126320 7647364 252 18:20:02 6046644 9873072 6060544 37.02 275960 3507948 6723324 38.59 2129072 7606236 416 18:30:01 11360496 15317428 617620 3.77 279500 3631432 1333324 7.65 2142572 2271676 17464 18:40:01 6683736 10664036 5269580 32.18 280392 3653532 5973364 34.29 2155076 6933336 776 Average: 6934420 10717867 5215695 31.86 272610 3467515 6069716 34.84 2113881 6726332 2322 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:02 lo 21.34 21.34 16.65 16.65 0.00 0.00 0.00 0.00 17:20:02 ens3 42.94 30.18 822.54 4.18 0.00 0.00 0.00 0.00 17:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 47.46 47.46 20.52 20.52 0.00 0.00 0.00 0.00 17:30:01 ens3 1.58 1.36 0.38 0.32 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 16.09 16.09 7.74 7.74 0.00 0.00 0.00 0.00 17:40:01 ens3 1.18 1.05 0.34 0.28 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:02 lo 19.73 19.73 10.39 10.39 0.00 0.00 0.00 0.00 17:50:02 ens3 1.01 0.72 0.23 0.17 0.00 0.00 0.00 0.00 17:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:02 lo 23.16 23.16 9.10 9.10 0.00 0.00 0.00 0.00 18:00:02 ens3 0.70 0.57 0.19 0.14 0.00 0.00 0.00 0.00 18:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 23.63 23.63 10.36 10.36 0.00 0.00 0.00 0.00 18:10:01 ens3 0.72 0.51 0.20 0.15 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:02 lo 14.37 14.37 8.56 8.56 0.00 0.00 0.00 0.00 18:20:02 ens3 0.51 0.48 0.11 0.09 0.00 0.00 0.00 0.00 18:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 lo 17.94 17.94 10.10 10.10 0.00 0.00 0.00 0.00 18:30:01 ens3 1.01 0.84 0.31 0.25 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 lo 29.23 29.23 12.18 12.18 0.00 0.00 0.00 0.00 18:40:01 ens3 0.84 0.77 0.20 0.16 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.66 23.66 11.73 11.73 0.00 0.00 0.00 0.00 Average: ens3 5.62 4.06 91.70 0.64 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-16g-7973) 02/05/26 _x86_64_ (4 CPU) 17:04:04 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:02 all 58.50 0.00 2.65 4.35 0.15 34.34 17:20:02 0 58.92 0.00 2.68 1.39 0.19 36.81 17:20:02 1 56.91 0.00 2.59 2.52 0.13 37.86 17:20:02 2 60.76 0.00 2.78 2.10 0.15 34.21 17:20:02 3 57.40 0.00 2.56 11.42 0.14 28.48 17:30:01 all 34.12 0.00 1.59 0.18 0.11 64.02 17:30:01 0 33.28 0.00 1.70 0.50 0.11 64.41 17:30:01 1 34.55 0.00 1.59 0.06 0.11 63.70 17:30:01 2 34.06 0.00 1.55 0.05 0.11 64.23 17:30:01 3 34.57 0.00 1.51 0.09 0.11 63.72 17:40:01 all 28.44 0.00 1.15 0.49 0.09 69.83 17:40:01 0 28.62 0.00 1.19 0.22 0.09 69.88 17:40:01 1 29.35 0.00 1.25 0.25 0.09 69.06 17:40:01 2 28.95 0.00 1.18 0.26 0.09 69.52 17:40:01 3 26.82 0.00 1.00 1.23 0.09 70.86 17:50:02 all 25.00 0.00 0.86 0.22 0.08 73.84 17:50:02 0 24.60 0.00 0.91 0.51 0.07 73.91 17:50:02 1 24.56 0.00 0.82 0.19 0.08 74.36 17:50:02 2 25.15 0.00 0.77 0.07 0.08 73.93 17:50:02 3 25.68 0.00 0.94 0.12 0.08 73.18 18:00:02 all 8.24 0.00 0.46 0.20 0.06 91.04 18:00:02 0 8.24 0.00 0.38 0.17 0.06 91.16 18:00:02 1 8.59 0.00 0.59 0.40 0.06 90.36 18:00:02 2 8.44 0.00 0.46 0.08 0.07 90.96 18:00:02 3 7.70 0.00 0.43 0.14 0.06 91.67 18:10:01 all 10.15 0.00 0.56 0.04 0.06 89.19 18:10:01 0 10.11 0.00 0.51 0.02 0.06 89.30 18:10:01 1 9.77 0.00 0.55 0.02 0.06 89.60 18:10:01 2 10.32 0.00 0.62 0.09 0.06 88.92 18:10:01 3 10.42 0.00 0.56 0.02 0.06 88.94 18:20:02 all 9.72 0.00 0.53 0.08 0.06 89.61 18:20:02 0 9.58 0.00 0.48 0.15 0.06 89.73 18:20:02 1 10.40 0.00 0.63 0.06 0.06 88.84 18:20:02 2 9.48 0.00 0.50 0.04 0.07 89.91 18:20:02 3 9.42 0.00 0.51 0.07 0.06 89.95 18:30:01 all 13.92 0.00 0.70 0.21 0.07 85.10 18:30:01 0 13.97 0.00 0.62 0.26 0.06 85.08 18:30:01 1 13.70 0.00 0.78 0.39 0.07 85.05 18:30:01 2 14.38 0.00 0.67 0.03 0.07 84.85 18:30:01 3 13.64 0.00 0.73 0.17 0.06 85.41 18:40:01 all 16.03 0.00 0.62 0.67 0.07 82.61 18:40:01 0 16.25 0.00 0.55 1.33 0.07 81.81 18:40:01 1 16.29 0.00 0.67 0.44 0.07 82.53 18:40:01 2 16.11 0.00 0.64 0.53 0.07 82.65 18:40:01 3 15.46 0.00 0.64 0.39 0.07 83.44 Average: all 22.68 0.00 1.01 0.72 0.08 75.51 Average: 0 22.62 0.00 1.00 0.51 0.08 75.79 Average: 1 22.68 0.00 1.05 0.48 0.08 75.71 Average: 2 23.08 0.00 1.02 0.36 0.08 75.46 Average: 3 22.35 0.00 0.99 1.51 0.08 75.07